REFERENCE-BASED PROBABILISTIC SEGMENTATION AS NON-RIGID REGISTRATION USING THIN PLATE SPLINES (2009)
Luca Bertelli, Pratim Ghosh, B. S. Manjunath
In this paper we demonstrate the effectiveness of reference (or atlas)-based non-rigid registration to the segmentation of medical and biological imagery. In particular we introduce a segmentation...
A. Sarkar, L. Nataraj, B. S. Manjunath, U. Madhow
Our recently introduced JPEG steganographic method called Yet Another Steganographic Scheme (YASS) can resist blind steganalysis by embedding data in the discrete cosine transform (DCT) domain in...
CONDITIONAL ITERATIVE DECODING OF TWO DIMENSIONAL HIDDEN MARKOV MODELS (2009)
M. E. Sargin, A. Altinok, K. Rose, B. S. Manjunath
Two Dimensional Hidden Markov Models (2D-HMMs) provide substantial benefits for many computer vision and image analysis applications. Many fundamental image analysis problems, including segmentation...
A Quantitative Object-Level Metric for Segmentation Performance and Its Application to Cell (2009)
Laura E. Boucheron, Nealr. Harvey, B. S. Manjunath
Abstract. We present an object-level metric for segmentation performance which was developed to quantify both over- and under-segmentation errors, as well as to penalize segmentations with larger...
AUTOMATIC VIDEO ANNOTATION THROUGH SEARCH AND MINING (2009)
Emily Moxley, Tao Mei, Xian-sheng Hua, Wei-ying Ma, B. S. Manjunath
Conventional approaches to video annotation predominantly focus on supervised identification of a limited set of concepts, while unsupervised annotation with infinite vocabulary remains unexplored....
EVALUATION AND BENCHMARK FOR BIOLOGICAL IMAGE SEGMENTATION (2009)
Elisa Drelie Gelasca, Jiyun Byun, Boguslaw Obara, B. S. Manjunath
This paper describes ongoing work on creating a benchmarking and validation dataset for biological image segmentation. While the primary target is biological images, we believe that the dataset would...
EDGE PRESERVING FILTERS USING GEODESIC DISTANCES ON WEIGHTED ORTHOGONAL DOMAINS (2009)
Luca Bertelli, B. S. Manjunath
We introduce a framework for image enhancement, which smooths images while preserving edge information. Domain (spatial) and range (feature) information are combined in one single measure in a...
Shape Prior Segmentation of Multiple Objects with Graph Cuts (2009)
We present a new shape prior segmentation method using graph cuts capable of segmenting multiple objects. The shape prior energy is based on a shape distance popular with level set approaches. We...
Duplicate Image Detection in Large Scale Databases (2009)
Pratim Ghosh, E. Drelie Gelasca, K. R. Ramakrishnan, B. S. Manjunath
We propose an image duplicate detection method for identifying modified copies of the same image in a very large database. Modifications that we consider include rotation, scaling and cropping. A...
Elisa Drelie Gelasca, Jiyun Byun, Boguslaw Obara, B. S. Manjunath, Light Microscopy
Biological images are critical components for a detailed understanding of the structure and functioning of cells and proteins. Image processing and analysis tools increasingly play a significant role...
Anindya Sarkar, Kaushal Solanki, B. S. Manjunath
We present further extensions of yet another steganographic scheme (YASS), a method based on embedding data in randomized locations so as to resist blind steganalysis. YASS is a JPEG steganographic...
GRAPH CUT SEGMENTATION OF NEURONAL STRUCTURES FROM TRANSMISSION ELECTRON MICROGRAPHS (2009)
In many neurophysiological studies, understanding the neuronal circuitry of the brain requires detailed 3D models of the nerve cells and their synapses. Typically, researchers build the 3D models by...
Steganographic Capacity Estimation for the Statistical Restoration Framework (2009)
Anindya Sarkar, Kenneth Sullivan, B. S. Manjunath
In this paper we attempt to quantify the “active ” steganographic capacity- the maximum rate at which data can be hidden, and correctly decoded, in a multimedia cover subject to noise/attack...
Luca Bertelli, Jiyun Byun, B. S. Manjunath
One of the main challenges in image segmentation is to adapt prior knowledge about the objects/regions that are likely to be present in an image, in order to obtain more precise detection and...
Modeling and Detection of Geospatial Objects Using Texture Motifs (2008)
Sitaram Bhagavathy, B. S. Manjunath
Abstract—We propose the use of texture motifs, or characteristic spatially recurrent patterns, for modeling and detecting geospatial objects. A method is proposed for learning a texture-motif model...
Retinal detachment, the separation of retina from the retinal pigmented epithelium caused by eye injury, has been studied extensively for decades [1]. It causes many cellular changes inside the...
Anindya Sarkar, Pratim Ghosh, Emily Moxley, B. S. Manjunath
A video “fingerprint ” is a feature extracted from the video that should represent the video compactly, allowing faster search without compromising the retrieval accuracy. Here, we use a keyframe...
EDGE PRESERVING FILTERS USING GEODESIC DISTANCES ON WEIGHTED ORTHOGONAL DOMAINS (2008)
Luca Bertelli, B. S. Manjunath
We introduce a framework for image enhancement, which smooths images while preserving edge information. Domain (spatial) and range (feature) information are combined in one single measure in a...
IAF-00-B.6.01 OBJECT-BASED REPRESENTATIONS OF SPATIAL IMAGES (2008)
Shawn Newsam, Sitaram Bhagavathy, Charles Kenney, B. S. Manjunath
Object based representations of image data enable new content-related functionalities while facilitating management of large image databases. Developing such representations for multi-date and...
Drums, Curve Descriptors and Affine Invariant Region Matching (2008)
M. Zuliani, L. Bertelli, C. S. Kenney, S. Ch, B. S. Manjunath
In this paper we present a new physically motivated curve/region descriptor based on the solution of Helmholtz’s equation. The descriptor we propose satisfies the six principles set by MPEG-7: it...
TRACKING CURVILINEAR STRUCTURES USING ACTIVE CONTOURS AND APPLICATION TO MICROTUBULE VIDEOS (2008)
We present a novel active contour-based tracking algorithm for highly deformable and fast moving curvilinear structures. We propose to use line features as external forces for the active contour for...
TRACING MICROTUBULES IN LIVE CELL IMAGES (2008)
M. E. Sargın, A. Altınok, E. Kiris, S. C. Feinstein, L. Wilson, K. Rose, ...
Microtubule (MT) dynamics are traditionally analyzed from time lapse images by manual techniques that are laborious, approximate and often limited. Recently, computer vision techniques have been...
El-Khalil: “Print and Scan Resilient Data Hiding in Images (2008)
Kaushal Solanki, Upamanyu Madhow, B. S. Manjunath, Shiv Ch, Ibrahim El-khalil, Student Member
Abstract—Print-scan resilient data hiding finds important applications in document security and image copyright protection. This paper proposes methods to hide information into images that achieve...
INTERACTIVE SEGMENTATION USING CURVE EVOLUTION AND RELEVANCE FEEDBACK (2008)
We propose in this paper an interactive segmentation algorithm based on curve evolution techniques. The task of automated segmentation has proven to be highly complex and application dependent....
System for Automatic Registration of Remote Sensing Images (2008)
Dmitry Fedorov, Charles Kenney, B. S. Manjunath
Abstract – Image registration is the process of matching two images so that corresponding coordinate points in the two images correspond to the same physical region of the scene being imaged....
Luca Bertelli, Marco Zuliani, B. S. Manjunath
A variational approach for the background/foreground segmentation of multiple views of the same scene is presented. The main novelty is the introduction of cost functions based on pairwise similarity...
Retina layer segmentation and spatial alignment of antibody expression levels (2008)
Nhat Vu, Pratim Ghosh, B. S. Manjunath
The expression levels of rod opsin and glial fibrillary acidic protein (GFAP) capture important structural changes in the retina during injury and recovery. Quantitatively measuring these expression...
UTILITY OF MULTISPECTRAL IMAGING FOR ANALYSIS OF ROUTINE CLINICAL HISTOPATHOLOGY IMAGERY (2008)
Laura E. Boucheron, Neal R. Harvey, B. S. Manjunath
Our paper will present an analysis of the utility of multispectral imagery versus standard RGB imagery for routine H&Estained histopathology imagery, in particular for the classification of...
REDUCING INCIDENTAL FLUORESCENCE IN LIVE CELL IMAGING (2008)
A. Altinok, B. Sumengen, B. S. Manjunath, K. Rose
Fluorescence staining is the prevailing image acquisition technique in cell biology research. A problem of this method is the incidental fluorescence, that is the total fluorescence collected by a...
TRACING MICROTUBULES IN LIVE CELL IMAGES (2008)
M. E. Sargın, A. Altınok, E. Kiris, S. C. Feinstein, L. Wilson, K. Rose, ...
Microtubule (MT) dynamics are traditionally analyzed from time lapse images by manual techniques that are laborious, approximate and often limited. Recently, computer vision techniques have been...
Luca Bertelli, Jiyun Byun, B. S. Manjunath
One of the main challenges in image segmentation is to adapt prior knowledge about the objects/regions that are likely to be present in an image, in order to obtain more precise detection and...
MPEG-7 Homogeneous Texture Descriptor (2008)
Yong Man Ro, Munchurl Kim, Ho Kyung Kang, B. S. Manjunath
MPEG7 standardization work has started with the aims of providing fundamental tools for describing multimedia contents. MPEG7 defines the syntax and semantics of de-scriptors and description schemes...
CORTINA: Searching a 10 Million + Images Database (2008)
Elisa Drelie Gelasca, Pratim Ghosh, Emily Moxley, Joriz De Guzman, Jiejun Xu, Zhiqiang Bi, ...
We present an image search and retrieval system, Cortina, that indexes over 10 Million images using image content, text and annotations. This large collection of image data, gathered from the World...
Luca Bertelli, Student Member, Baris Sumengen, B. S. Manjunath, Frédéric Gibou
Abstract — Variational cost functions that are based on pairwise similarity between pixels can be minimized within level set framework resulting in a binary image segmentation. In this paper we...
A Mathematical Comparison of Point Detectors (2008)
M. Zuliani, C. Kenney, B. S. Manjunath
Selecting salient points from two or more images for computing correspondences is a fundamental problem in image analysis. Three methods originally proposed by Harris et al. in [1], by Noble et al....
Issues In Managing Image And Video Data (2008)
Shawn Newsam, Jelena Tesic, Lei Wang, B. S. Manjunath
This paper presents an overview of our recent work on managing image and video data. The first half of the paper describes a representation for the semantic spatial layout of video frames. In...
An Eigenspace Update Algorithm for Image Analysis (2007)
S. Ch, B. S. Manjunath, Y. F. Wang, J. Winkeler, H. Zhang
During the past few years several interesting applications of eigenspace representation of images have been proposed. These include face recognition, video coding, and pose estimation. However, the...
Image Segmentation via Functionals Based On Boundary Functions (2007)
G. Hewer, C. Kenney, B. S. Manjunath
A general variational framework for image approximation and segmentation is introduced in which the boundary function has a simple explicit form in terms of the approximation function. At the same...
Abstract Mining Image Datasets Using Perceptual Association Rules (2007)
This paper describes a framework for applying traditional data mining techniques to the non-traditional domain of image datasets for the purpose of knowledge discovery. In particular, perceptual...
MPEG-7 Homogeneous Texture Descriptor (2007)
Ho Kyung, Kang Information, Yong Man Ro, Yong Man Ro, Munchurl Kim, Munchurl Kim, ...
MPEG-7 standardization work has started with the aims of providing fundamental tools for describing multimedia contents. MPEG-7 defines the syntax and semantics of descriptors and description schemes...
Final Manuscript to PAMI (regular paper) Corresponding Author (2007)
B. S. Manjunath, Yining Deng, Yining Deng
A new method for unsupervised segmentation of color-texture regions in images and video is presented. This method, which we refer to as JSEG, consists of two independent steps: color quantization and...
DETECTING PATH INTERSECTIONS IN PANORAMIC VIDEO (2007)
Xinding Sun, Don Kimber, Jonathan Foote, B. S. Manjunath
Given panoramic video taken along a self-intersecting path, we present a method for detecting the intersection points. This allows “virtual tours ” to be synthesized by splicing the panoramic...
1 A New Approach to Image Feature Detection with Applications 1 (2007)
Abstract: Image feature detection is a fundamental issue in many intermediate level vision problems such as stereo, motion correspondence, image registration, and object recognition. In this paper we...
B. S. Manjunath, S. Ch, H. Murakami, Efficient Calculation, John Wiley, ...
of primary images from a set of images, ” IEEE
ARTICLE NO. IP970425 An Eigenspace Update Algorithm for Image Analysis (2007)
S. Ch, B. S. Manjunath, Y. F. Wang, J. Winkeler, H. Zhang
During the past few years several interesting applications of matrix factorizations appeared in 1974 [3]. However, until recently there was no fast and stable updating algorithm eigenspace...
An Eigenspace Update Algorithm for Image Analysis (2007)
S. Ch, B. S. Manjunath, Y. F. Wang, J. Winkeler, H. Zhang
During the past few years several interesting applications of eigenspace representation of the images have been proposed. These include face recognition, video coding, and pose estimation. However,...
IAF-00-B.6.01 OBJECT-BASED REPRESENTATIONS OF SPATIAL IMAGES (2007)
Shawn Newsam, Sitaram Bhagavathy, Charles Kenney, B. S. Manjunath
Object based representations of image data enable new content-related functionalities while facilitating management of large image databases. Developing such representations for multidate and...
The Vision Research Lab of UCSB at TRECVID 2007 (2007)
Elisa Drelie Gelasca, Swapna Joshi, James Kleban, Stephen Mangiat, B. S. Manjunath, Emily Moxley, ...
The Vision Research Lab at the University of California at Santa Barbara participated in three TRECVID 2007 tasks: rushes summarization, high level feature extraction, and search. This paper...
Laura E. Boucheron, Zhiqiang Bi, Neal R. Harvey, B. S. Manjunath, David L. Rimm, David L. Rimm
Background: We present an analysis of the utility of multispectral versus standard RGB imagery for routine H&E stained histopathology images, in particular for pixel-level classification of...
YASS: yet another steganographic scheme that resists blind steganalysis (2007)
Kaushal Solanki, Anindya Sarkar, B. S. Manjunath
Abstract. A new, simple, approach for active steganography is proposed in this paper that can successfully resist recent blind steganalysis methods, in addition to surviving distortion constrained...
A. Sarkar, K. Solanki, U. Madhow, S. Ch, B. S. Manjunath
We present practical approaches for steganography that can provide improved security by closely matching the second-order statistics of the host rather than just the marginal distribution. The...
Tracing curvilinear structures in live cell images (2007)
M. E. Sargın, A. Altınok, K. Rose, B. S. Manjunath
Tracing of curvilinear structures is one of the fundamental tools in the quantitative analysis of biological images, for extracting information about structures such as blood vessels, neurons,...
Feature fusion and redundancy pruning for rush video summarization (2007)
Jim Kleban, Anindya Sarkar, Emily Moxley, Stephen Mangiat, Swapna Joshi, Thomas Kuo, ...
This paper presents a video summarization technique for rushes that employs high-level feature fusion to identify segments for inclusion. It aims to capture distinct video events using a variety of...
Abstract Drums, curve descriptors and affine invariant region matching (2006)
M. Zuliani, L. Bertelli, C. S. Kenney, S. Ch, B. S. Manjunath
In this paper we present a new physically motivated curve/region descriptor based on the solution of Helmholtz’s equation. The descriptor we propose satisfies the six principles set by MPEG-7: it...
Modeling and detection of geospatial objects using texture motifs (2006)
Sitaram Bhagavathy, B. S. Manjunath
Abstract — We propose the use of texture motifs, or characteristic spatially recurrent patterns for modeling and detecting geospatial objects. A method is proposed for learning a texture motif...
Activity analysis in microtubule videos by mixture of hidden markov models (2006)
Alphan Altınok, Motaz El-saban, Austin J. Peck, Leslie Wilson, Stuart C. Feinstein, B. S. Manjunath, ...
We present an automated method for the tracking and dynamics modeling of microtubules-a major component of the cytoskeleton- which provides researchers with a previously unattainable level of data...
Automated tracking and modeling of microtubule dynamics (2006)
M. Saban, A. Altinok, A. Peck, C. Kenney, S. Feinstein, L. Wilson, ...
The method of microtubule tracking and dynamics analysis, presented here, improves upon the current means of manual and automated quantification of microtubule behavior. Key contributions are...
Multi-focus imaging using local focus estimation and mosaicking (2006)
Dmitry Fedorov, Baris Sumengen, B. S. Manjunath
We propose an algorithm to generate one multi-focus image from a set of images acquired at different focus settings. First images are registered to avoid large misalignments. Each image is tiled with...
Provably secure steganography: Achieving zero k-l divergence using statistical restoration (2006)
K. Solanki, K. Sullivan, U. Madhow, B. S. Manjunath, S. Ch
In this paper, we present a framework for the design of steganographic schemes that can provide provable security by achieving zero Kullback-Leibler divergence between the cover and the stego signal...
A compact image signature for rts-invariant image retrieval (2006)
Pratim Ghosh, B. S. Manjunath, K. R. Ramakrishnan
component analysis, Lloyd max scalar quantization, RTS invariant compact image signature, duplicate image retrieval. In this paper we propose a novel framework to obtain a very compact image...
Towards automated bioimage analysis: From features to semantics (2006)
B. S. Manjunath, B. Sumengen, Z. Bi, J. Byun, M. El-saban, D. Fedorov, ...
Recent advances in bio-molecular imaging have afforded biologists a more thorough understanding of cellular functions in complex tissue structures. For example, high resolution fluorescence images of...
Steganalysis for Markov cover data with applications to images (2006)
Kenneth Sullivan, Upamanyu Madhow, Shivkumar Ch, B. S. Manjunath
Abstract—The difficult task of steganalysis, or the detection of the presence of hidden data, can be greatly aided by exploiting the correlations inherent in typical host or cover signals. In...
Quantitative Analysis of Immunofluorescent Retinal Images (2006)
Jiyun Byun, Nhat Vu, Baris Sumengen, B. S. Manjunath
We present a novel method to quantitatively analyze confocal microscope images of retinas. We automatically detect nuclei within the outer nuclear layer (ONL) in a retinal image. Based on nuclei...
Determining achievable rates for secure zero divergence steganography (2006)
K. Sullivan, K. Solanki, B. S. Manjunath, U. Madhow, S. Ch
In steganography (the hiding of data into innocuous covers for secret communication) it is difficult to estimate how much data can be hidden while still remaining undetectable. To measure the...
Steganalysis of spread spectrum data hiding exploiting cover memory (2005)
Kenneth Sullivan, Upamanyu Madhow, Shivkumar Ch, B. S. Manjunath
In this paper we study steganalysis, the detection of hidden data. Specifically we focus on detecting data hidden in grayscale images with spread spectrum hiding. To accomplish this we use a...
An axiomatic approach to corner detection (2005)
C. S. Kenney, M. Zuliani, B. S. Manjunath
This paper presents an axiomatic approach to corner detection. In the first part of the paper we review five currently used corner detection methods (Harris-Stephens, Förstner, Shi-Tomasi, Rohr, and...
Statistical restoration for robust and secure steganography (2005)
K. Solanki, K. Sullivan, U. Madhow, B. S. Manjunath, S. Ch
We investigate data hiding techniques that attempt to defeat steganalysis by restoring the statistics of the composite image to resemble that of the cover. The approach is to reserve a number of host...
Region of Interest Extraction and Virtual Camera Control Based on Panoramic Video Capturing (2005)
Xinding Sun, Student Member, Jonathan Foote, Don Kimber, B. S. Manjunath, Senior Member
Abstract—We present a system for automatically extracting the region of interest and controlling virtual cameras control based on panoramic video. It targets applications such as classroom lectures...
Tile-based framework for local enhancement of bio imagery (2005)
Dmitry Fedorov, Baris Sumengen, B. S. Manjunath
We present a simple framework for image enhancement using local image information. The main idea is to divide the image into small tiles and individually enhance each of these tiles. Enhanced tiles...
The multiransac algorithm and its application to detect planar homographies (2005)
M. Zuliani, C. S. Kenney, B. S. Manjunath
A RANSAC based procedure is described for detecting inliers corresponding to multiple models in a given set of data points. The algorithm we present in this paper (called multiRANSAC) on average...
Edgeflow-driven variational image segmentation: Theory and performance evaluation (2005)
Baris Sumengen, B. S. Manjunath
We introduce robust variational segmentation techniques that are driven by an Edgeflow vector field. Variational image segmentation has been widely used during the past ten years. While there is a...
A mathematical comparison of point detectors (2004)
M. Zuliani, C. Kenney, B. S. Manjunath, B. Zitova, J. Flusser
A Mathematical Comparison of Point Detectors – p. 2/21 In this talk... Three important detectors will be shown to be equivalent modulo the choice of a suitable matrix norm. A unifying framework...
Cortina: A System for Large-scale, Content-based Web (2004)
Image Retrieval Till, Till Quack, Ullrich Mönich, Lars Thiele, B. S. Manjunath
Recent advances in processing and networking capabilities of computers have led to an accumulation of immense amounts of multimedia data such as images. One of the largest repositories for such data...
Robust Image-Adaptive Data Hiding Using Erasure and Error Correction (2004)
Kaushal Solanki, Noah Jacobsen, Upamanyu Madhow, B. S. Manjunath, Shivkumar Chandrasekaran
Information-theoretic analyses for data hiding prescribe embedding the hidden data in the choice of quantizer for the host data. In this paper, we propose practical realizations of this prescription...
Detection of hiding in the least significant bit (2004)
Onkar Dabeer, Kenneth Sullivan, Upamanyu Madhow, Shivakumar Ch, B. S. Manjunath, Senior Member, ...
Abstract—In this paper, we apply the theory of hypothesis testing to the steganalysis, or detection of hidden data, in the least significant bit (LSB) of a host image. The hiding rate (if data is...
Affineinvariant curve matching (2004)
Marco Zuliani, Sitaram Bhagavathy, B. S. Manjunath, C. S. Kenney
In this paper, we propose an affine-invariant method for describing and matching curves. This is important since affine transformations are often used to model perspective distortions. More...
Normalized texture motifs and their application to statistical object modeling (2004)
A fundamental challenge in applying texture features to statistical object modeling is recognizing differently oriented spatial patterns. Rows of moored boats in remote sensed images of harbors...
Steganalysis of quantization index modulation data hiding (2004)
K. Sullivan, Z. Bi, U. Madhow, S. Ch, B. S. Manjunath
Quantization index modulation (QIM) techniques have been gaining popularity in the data hiding community because of their robustness and information-theoretic optimality against a large class of...
Graph partitioning active contours for knowledge-based geospatial segmentation (2004)
Baris Sumengen, Sitaram Bhagavathy, B. S. Manjunath
Our contribution in this paper is two-fold. First, we extend our previous curve evolution method based on pairwise similarities. This curve evolution equation combines the grouping abilities of...
Robust image-adaptive data hiding using erasure and error correction (2004)
Kaushal Solanki, Noah Jacobsen, Student Member, Student Member, Upamanyu Madhow, B. S. Manjunath, ...
Abstract—Information-theoretic analyses for data hiding prescribe embedding the hidden data in the choice of quantizer for the host data. In this paper, we propose practical realizations of this...
Estimating and undoing rotation for print-scan resilient data hiding (2004)
K. Solanki, U. Madhow, B. S. Manjunath, S. Ch
This paper proposes a method to hide information into images that achieves robustness against printing and scanning with blind decoding. A significant contribution of this paper is a technique to...
Drums and curve descriptors (2004)
M. Zuliani, C. Kenney, S. Bhagavathy, B. S. Manjunath
In this paper we present a new physically motivated curve descriptor based on the solution of Helmholtz’s equation. The descriptor satisfies the six principles set by MPEG-7: it has a good...
On the Rayleigh nature of Gabor filter outputs (2003)
Sitaram Bhagavathy, B. S. Manjunath
Texture has been recognized as an important visual primitive in image analysis. A widely used texture descriptor, which is part of the MPEG-7 standard, is that computed using multiscale Gabor...
C. S. Kenney, B. S. Manjunath, M. Zuliani, G. Hewer, A. Van Nevel
Selecting salient points from two or more images for computing correspondence is a well studied problem in image analysis. This paper describes a new and effective technique for selecting these...
On the Rayleigh nature of Gabor filter outputs (2003)
Sitaram Bhagavathy, B. S. Manjunath
Texture has been recognized as an important visual primitive in image analysis. A widely used texture descriptor, which is part of the MPEG-7 standard, is that computed using multiscale Gabor...
LLRT based detection of LSB hiding (2003)
K. Sullivan, O. Dabeer, U. Madhow, B. S. Manjunath, S. Ch
In this paper we consider a hypothesis testing approach for detection of hiding in the least significant bit (LSB). This steganalysis problem is a composite hypothesis testing problem. We state a...
Robust image-adaptive data hiding: Modeling, source coding and channel coding (2003)
K. Solanki, O. Dabeer, U. Madhow, B. S. Manjunath, S. Ch
This paper provides a summary of our work over the past two years on robust, high-volume data hiding in images. We first present a basic framework for imageadaptive hiding, which allows selection of...
A joint source-channel coding scheme for image-in-image data hiding (2003)
K. Solanki, O. Dabeer, B. S. Manjunath, U. Madhow, S. Ch
We consider the problem of hiding images in images. In addition to the usual design constraints such as imperceptible host degradation and robustness in presence of variety of attacks, we impose the...
Issues Concerning Dimensionality and Similarity Search (2003)
Jelena Tesic, Sitaram Bhagavathy, B. S. Manjunath
Effectiveness and efficiency are two important concerns in using multimedia descriptors to search and access database items. Both are affected by the dimensionality of the descriptors. While higher...
Video Region Segmentation By Spatio-Temporal Watersheds (2003)
We propose a video region segmentation scheme combining spatio-temporal edges and watershed techniques. We consider the video sequence as a 3-D volume and compute color edges within this volume....
A semantic representation for image retrieval (2003)
Robust semantic labeling of image regions is a basic problem in representing and retrieving image/video content. We propose an SVM-MRF framework to model features and their spatial distributions,...
Image segmentation using multi-region stability and edge strength (2003)
Baris Sumengen, B. S. Manjunath, Charles Kenney
A novel scheme for image segmentation is presented. An image segmentation criterion is proposed that groups similar pixels together to form regions. This criterion is formulated as a cost function....
Modeling object classes in aerial images using hidden Markov models (2002)
Shawn Newsam, Sitaram Bhagavathy, B. S. Manjunath
A canonical model is proposed for object classes in aerial images. This model is motivated by the observation that geographic regions of interest are characterized by collections of texture motifs...
Modeling object classes in aerial images using texture motifs (2002)
Sitaram Bhagavathy, Shawn Newsam, B. S. Manjunath
We propose a canonical model for object classes in aerial images. This model is motivated by the observation that geographic regions of interest are characterized by collections of texture motifs...
Modeling object classes in aerial images using hidden Markov models (2002)
Shawn Newsam, Sitaram Bhagavathy, B. S. Manjunath
We propose a canonical model for object classes in aerial images. This model is motivated by the observation that geographic regions of interest are characterized by collections of texture motifs...
Image Segmentation using Curve Evolution and Region Stability," ICPR (2002)
Baris Sumengen, B. S. Manjunath, Charles Kenney
A novel scheme for image segmentation is presented. An image segmentation criterion is proposed that gathers similar pixels together to form regions and creates boundaries between two dissimilar...
Image adaptive high volume data hiding based on scalar quantization (2002)
N. Jacobsen, K. Solanki, U. Madhow, B. S. Manjunath, S. Ch
Information-theoretic analyses for data hiding prescribe embedding the hidden data in the choice of quantizer for the host data. In this paper, we consider a suboptimal implementation of this...
Image segmentation using curve evolution and flow fields (2002)
Baris Sumengen, B. S. Manjunath, Charles Kenney
An image segmentation scheme that utilizes image-based flow fields in a curve evolution framework is presented. Geometric curve evolution methods require an edge function and a vector field with...
K. Solanki, N. Jacobsen, S. Ch, U. Madhow, B. S. Manjunath
Information-theoretic analyses for data hiding prescribe embedding the hidden data in the choice of quantizer for the host data. In this paper, we consider a suboptimal implementation of this...
Image Adaptive High Volume Data Hiding Based on Scalar Quantization (2002)
N. Jacobsen, K. Solanki, U. Madhow, B. S. Manjunath, S. Chandrasekaran, S. Ch
Information-theoretic analysis for data hiding prescribe embedding the hidden data in the choice of quantizer for the host data. In this paper, we consider a suboptimal implementation of this...
Modeling object classes in aerial images using hidden Markov models (2002)
Shawn Newsam, Sitaram Bhagavathy, B. S. Manjunath
A canonical model is proposed for object classes in aerial images. This model is motivated by the observation that geographic regions of interest are characterized by collections of texture motifs...
Kim, M., Kim, J., Manjunath, B.S., Ro, Y., Shin, H.M., Choi, Y.
WO 200141071 A UPAB: 20011121 NOVELTY - The method involves converting an image in which an image of a time domain is transformed into an image of a frequency domain. The transformed image is...
Color and Texture Descriptors (2001)
B. S. Manjunath, Jens-rainer Ohm, Vinod V. Vasudevan, Akio Yamada
Abstract—This paper presents an overview of color and texture descriptors that have been approved for the Final Committee Draft of the MPEG-7 standard. The color and texture descriptors that are...
An efficient color representation for image retrieval (2001)
Yining Deng, B. S. Manjunath, Charles Kenney, Michael S. Moore, Student Member, Hyundoo Shin
Abstract—A compact color descriptor and an efficient indexing method for this descriptor are presented. The target application is similarity retrieval in large image databases using color. Colors...
A motion activity descriptor and its extraction in compressed domain (2001)
Xinding Sun, Ajay Divakaran, B. S. Manjunath
Abstract. A novel motion activity descriptor and its extraction from a compressed MPEG (MPEG-1/2) video stream are presented. The descriptor consists of two parts, a temporal descriptor and a spatial...
Panoramic video capturing and compressed domain virtual camera control (2001)
Xinding Sun, Jonathan Foote, Don Kimber, B. S. Manjunath
A system for capturing panoramic video and a novel method for corresponding compressed domain virtual camera control is presented. It targets applications such as classroom lectures and video...
Adaptive nearest neighbor search for relevance feedback in large image databases (2001)
We introduce the problem of repetitive nearest neighbor search in relevance feedback and propose an efficient search scheme for high dimensional feature spaces. Relevance feedback learning is a...
Recording the Region of Interest from FlyCam Panoramic Video (2001)
Xinding Sun, Jonathan Foote, Don Kimber, B. S. Manjunath
A novel method for region of interest tracking and recording video is presented. The proposed method is based on the FlyCam system [4], which produces high resolution and wide-angle video sequences...
An adaptive index structure for high-dimensional similarity search (2001)
A practical method for creating a high dimensional index structure that adapts to the data distribution and scales well with the database size, is presented. Typical media descriptors, such as...
Adaptive nearest neighbor search for relevance feedback in large image databases (2001)
We introduce the problem of repetitive nearest neighbor search in relevance feedback and propose an efficient search scheme for high dimensional feature spaces. Relevance feedback learning is a...
EdgeFlow: a technique for boundary detection and image segmentation (2000)
Abstract—A novel boundary detection scheme based on “edge flow ” is proposed in this paper. This scheme utilizes a predictive coding model to identify the direction of change in color and...
A Texture Descriptor for Browsing and Similarity Retrieval (2000)
B. S. Manjunath, P. Wu, S. Newsam, H. D. Shin
Image texture is useful in image browsing, search and retrieval. A texture descriptor based on a multiresolution decomposition using Gabor wavelets is proposed. The descriptor consists of two parts:...
A Source and Channel Coding Framework for Vector Based Data Hiding in Video (2000)
Debargha Mukherjee, Jong Jin Chae, Sanjit K. Mitra, B. S. Manjunath
: Digital data hiding is a technology being developed for multimedia services, where significant amounts of secure data is invisibly hidden inside a host data source by the owner, for retrieval only...
EdgeFlow: A Technique for Boundary Detection and Image Segmentation (2000)
A novel boundary detection scheme based on "edge flow" is proposed in this paper. This scheme utilizes a predictive coding model to identify the direction of change in color and texture at...
A Source and Channel-Coding Framework for Vector-Based Data Hiding in Video (2000)
Debargha Mukherjee, Jong Jin Chae, Sanjit K. Mitra, B. S. Manjunath
Digital data hiding is a technology being developed for multimedia services, where significant amounts of secure data is invisibly hidden inside a host data source by the owner, for retrieval only by...
EdgeFlow: A Technique for Boundary Detection (2000)
And Image Segmentation, Wei-ying Ma, B. S. Manjunath
A novel boundary detection scheme based on "edge flow" is proposed in this paper. This scheme utilizes a predictive coding model to identify the direction of change in color and texture at...
Subset selection for active object recognition (1999)
Jay Winkeler, B. S. Manjunath, S. Ch
This paper presents an algorithm for constructing object representations suitable for recognition. The system automatically selects a representative subset of the views of the object while...
A Technique for Image Data Hiding and Reconstruction without Host (1999)
A new technique for embedding image data that can be recovered in the absence of the original host image, is presented. The data to be embedded, referred to as the signature data, is inserted into...
Subset Selection for Active Object Recognition (1999)
Jay Winkeler, B.S. Manjunath, S. Chandrasekaran, S. Ch
This paper presents an algorithm for constructing object representations suitable for recognition. The system automatically selects a representative subset of the views of the object while...
Chae And Manjunath, J. J. Chae, B. S. Manjunath
We propose a video data embedding scheme in which the embedded signature data is reconstructed without knowing the original host video. The proposed method enables high rate of data embedding and is...
A Robust Embedded Data from Wavelet Coefficients (1998)
An approach to embedding gray scale images using a discrete wavelet transform is proposed. The proposed scheme enables using signature images that could be as much as 25 % of the host image data and...
Variational image segmentation using boundary functions (1998)
Gary A. Hewer, Charles Kenney, B. S. Manjunath
Abstract—A general variational framework for image approximation and segmentation is introduced. By using a continuous “line-process ” to represent edge boundaries, it is possible to formulate...
NeTra-V: Toward an object-based video representation (1998)
Yining Deng, Student Member, B. S. Manjunath
Abstract — We present here a prototype video analysis and retrieval system, called NeTra-V, that is being developed to build an object-based video representation for functionalities such as search...
A texture thesaurus for browsing large aerial photographs (1998)
A texture-based image retrieval system for browsing In this article, we will demonstrate that texture could large-scale aerial photographs is presented. The salient components of this system include...
A Robust Data Hiding Technique using Multidimensional Lattices (1998)
J. J. Chae, D. Mukherjee, B. S. Manjunath
We describe a data hiding technique which uses noiseresilient channel codes based on multidimensional lattices. A trade-off between the quantity of hidden data and the quality of the watermarked...
NeTra-V: Towards an Object-based Video Representation (1998)
Yining Deng, Debargha Mukherjee, B. S. Manjunath
There is a growing need for new representations of video that allow not only compact storage of data but also content-based functionalities such as search and manipulation of objects. We present here...
Color Image Embedding using Multidimensional Lattice Structures (1998)
J. J. Chae, D. Mukherjee, B.S. Manjunath
This paper describes a robust data embedding scheme which uses noise resilient channel codes based on a multidimensional lattice structure. Compared to prior work in digital watermarking, the...
Incremental Evolution in Genetic Programming (1998)
Jay F. Winkeler, B. S. Manjunath
This paper presents a study of different methods of using incremental evolution with genetic programming. Incremental evolution begins with a population already trained for a simpler but related...
Tools for Texture/Color Based Search of Images (1997)
W. Y. Ma, Yining Deng, B. S. Manjunath
Currently there are quite a few image retrieval systems that use color and texture as features to search images. However, by using global features these methods retrieve results that often do not...
NeTra: a toolbox for navigating large image databases (1997)
Abstract. We present here an implementation of NeTra, a prototype image retrieval system that uses color, texture, shape and spatial location information in segmented image regions to search and...
Experiments with Genetic Programming for Active Vision Tasks (1997)
: This paper examines genetic programming as a machine learning technique for active vision. Genetic programming can be used as a reinforcement learning technique to learn solutions to complex...
Norbert Strobel, Sanjit K. Mitra, B.S. Manjunath
Progressive-resolution transmission is of significant practical importance for online image libraries. When combined with reversible image compression, it provides a particularly promising mechanism...
Tools for Texture/color Based Search of Images (1997)
W. Y. Ma, Yining Deng, B.S. Manjunath
Currently there are quite a few image retrieval systems that use color and texture as features to search images. However, by using global features these methods retrieve results that often do not...
Genetic Programming for Object Detection (1997)
Jay F. Winkeler, B.S. Manjunath
This paper examines genetic programming as a machine learning technique in the context of object detection. Object detection is performed on image features and on gray-scale images themselves, with...
Model-Based Detection and Correction of Corrupted Wavelet Coefficients (1997)
Norbert Strobel, Sanjit K. Mitra, B.S. Manjunath
Image decomposition based on the discrete wavelet transform (DWT) has been proposed for efficient storage and progressive transmission of images for visual browsing in digital image libraries....
Edge Flow: A Framework of Boundary Detection and Image Segmentation (1997)
A novel boundary detection scheme based on "edge flow" is proposed in this paper. This scheme utilizes a predictive coding model to identify the direction of change in color and texture at...
A new approach to image feature detection with applications (1996)
Abstract: Image feature detection is a fundamental issue in many intermediate level vision problems such as stereo, motion correspondence, image registration, and object recognition. In this paper we...
A pattern thesaurus for browsing large aerial photographs (1996)
A texture based image retrieval system for browsing large-scale aerial photographs is presented. The salient components of this system include texture feature extraction, image segmentation and...
Browsing Large Satellite And Aerial Photographs (1996)
Manjunath And Ma, B. S. Manjunath, W. Y. Ma
Image content based retrieval in the Alexandria digital library project has focussed on texture and color features for querying the database. A robust texture feature extraction algorithm and a fast...
Browsing Large Satellite And Aerial Photographs (1996)
Manjunath And, B. S. Manjunath, W. Y. Ma
Image content based retrieval in the Alexandria digital library project has focussed on texture and color features for querying the database. A robust texture feature extraction algorithm and a fast...
A contour-based approach to multisensor image registration (1995)
Hut Li, Student Member, B. S. Manjunath, Sanfit K. Mitra
Abstract--Image registration is concerned with the establishment of correspondence between images of the same scene. One challenging problem in this area is the registration of...
Rotation-invariant texture classification using modified gabor filters (1995)
George M. Haley, B. S. Manjunath
A method of rotation invariant texture classification based on a joint space-frequency model is introduced. Multiresolution filters, based on a truly analytic form of a polar 2-D Gabor wavelet, are...
Image Indexing Using a Texture Dictionary (1995)
We propose a new method for indexing large image databases. The method incorporates neural network learning algorithms and pattern recognition techniques to construct an image pattern dictionary....
Adaptive Filtering And Indexing For Image Databases (1995)
A.D. Alexandrov, W.Y. Ma, A. El Abbadi, B.S. Manjunath, A. El
In this paper we combine image feature extraction with indexing techniques for efficient retrieval in large texture images databases. A 2D image signal is processed using a set of Gabor filters to...
Markov Random Fields and Neural Networks with Applications to Early Vision Problems (1991)
Anand Rangarajan, R. Chellappa, I. Sethi, A. Jain, A. Rangarajan, B.S. Manjunath
The current resurgence of interest in Neural Networks has opened up several basic issues. In this chapter, we explore the connections between this area and Markov Random Fields. We are specifically...
An Approach to Efficient Storage, Retrieval, and Browsing of Large Scale Image Databases
Norbert Strobel, Sanjit K. Mitra, B.S. Manjunath
: This paper suggests a wavelet transform based multiresolution approach as a viable solution to the problems of storage, retrieval and browsing in a large image database. We also investigate the...