Hua Cai, Bing Zeng, Guobin Shen, Zixiang Xiong, Shipeng Li
Abstract — This paper deals with the optimal packet loss protection issue for streaming the fine granularity scalable (FGS) video bitstreams over IP networks. Unlike many other existing protection...
Distributed source and joint source-channel coding: from theory to practice (2008)
Javier Garcia-Frias, Zixiang Xiong
This paper reviews the theory behind distributed source coding and distributed source-channel coding and surveys the progress made in code design during the last years.
DISTRIBUTED VIDEO STREAMING USING COMPLETE COMPLEMENTARY SEQUENCES (2008)
Chadi Khirallah, Vladimir Stanković, Lina Stanković (fagoonee, Yang Yang, Zixiang Xiong
In many distributed video streaming applications multiple terminals stream correlated video data to a central station to be processed. The fact that those terminals may be placed within a short range...
On Packetization of Embedded Multimedia (2008)
Xiaolin Wu, Senior Member, Samuel Cheng, Zixiang Xiong
Abstract—We study the problem of packetizing embedded multimedia bitstreams to improve the error resilience of source (compression) codes. This problem is important because of the increasing...
Capacity Bounds and Code Designs for Cooperative Diversity (2008)
Zhixin Liu, Vladimir Stanković, Anders Høst-madsen, Zixiang Xiong
Abstract — Cooperative diversity is a novel technique for conveying information in wireless networks, where closely located single-antenna network nodes cooperatively transmit and/or receive by...
c ○ Fachbereich Mathematik und Statistik (2008)
Raouf Hamzaoui, Vladimir Stanković, Zixiang Xiong, Raouf Hamzaoui
Rate-based versus distortion-based optimal error
1 SUBBAND IMAGE COMPRESSION (2008)
Aria Nosratinia, Geoffrey Davis, Zixiang Xiong, Rajesh Rajagopalan
Abstract: This chapter presents an overview of subband/wavelet image compression. Shannon showed that optimality in compression can only be achieved with Vector Quantizers (VQ). There are practical...
Gene Expression, Jianping Hua, Zixiang Xiong, James Lowey, Edward Suh, Edward R. Dougherty
doi:10.1093/bioinformatics/bti171 Optimal number of features as a function of sample size for
DOI 10.1155/BSB/2006/43056 Normalization Benefits Microarray-Based Classification (2008)
Jianping Hua, Yidong Chen, James Lowey, Michael L. Bittner, Zixiang Xiong, Edward Suh, ...
When using cDNA microarrays, normalization to correct labeling bias is a common preliminary step before further data analysis is applied, its objective being to reduce the variation between arrays....
c ○ Fachbereich Mathematik und Statistik (2008)
Raouf Hamzaoui, Vladimir Stanković, Zixiang Xiong, Raouf Hamzaoui
Rate-based versus distortion-based optimal error
c ○ Fachbereich Mathematik und Statistik (2008)
Raouf Hamzaoui, Vladimir Stanković, Zixiang Xiong, Raouf Hamzaoui
Rate-based versus distortion-based optimal error
1 Low Bit-Rate, Scalable Video Coding with 3D Set Partitioning (2007)
Telecommunications R, Th Floor, Beong-jo Kim, Beong-jo Kim, Zixiang Xiong, Zixiang Xiong, ...
In this paper, we propose a low bit-rate embedded video coding scheme that utilizes a threedimensional (3D) extension of the set partitioning in hierarchical trees (SPIHT) algorithm which has proved...
Subband Image Compression (2007)
Aria Nosratinia, Geoffrey Davis, Zixiang Xiong, Rajesh Rajagopalan
: This chapter presents an overview of subband/wavelet image compression. Shannon showed that optimality in compression can only be achieved with Vector Quantizers (VQ). There are practical...
ENHANCEMENT, CLASSIFICATION AND COMPRESSION OF CHROMOSOME IMAGES (2007)
Zixiang Xiong, Qiang Wu, Kenneth R. Castlemen
This paper reviews our research on chromosome image enhancement, classification and compression during the past three years. Several of our proposed techniques are in the process of being...
MULTIRESOLUTION WATERMARKING FOR IMAGES AND VIDEO: A UNIFIED APPROACH (2007)
This paper proposes a uni ed approach to digital watermarking of images and video based on the 2D and 3D discrete wavelet transforms. The hierarchical nature of the wavelet representation allows...
Marc Fossorier Senior, Senior Member, Zixiang Xiong, Kenneth Zeger
We consider the progressive transmission of a lossy source across a power constrained Gaussian channel using binary phase-shift keying modulation. Under the theoretical assumptions of infinite...
Multiterminal video coding (2007)
Yang Yang, Vladimir Stanković, Wei Zhao, Zixiang Xiong
Abstract — Following recent works on the rate region of the quadratic Gaussian two-terminal source coding problem and limit-approaching code designs, this paper examines multiterminal source coding...
MP-T3 Multimedia Signal Processing on Personal Computers (2007)
MA-T2 Extended linear and multi-linear methods for multimodal signal processing
Distributed joint source-channel coding of video (2007)
Qian Xu, Vladimir Stanković, Zixiang Xiong
Wyner-Ziv coding (WZC), or lossy source coding with decoder side information, has recently found important applications in video communications. Extending recent works on source-channel coding for...
MP-T3 Multimedia Signal Processing on Personal Computers (2007)
MA-T2 Extended linear and multi-linear methods for multimodal signal processing
Combined Source-Channel Coding of Images under Power and Bandwidth Constraints (2007)
Nouman Raja, Zixiang Xiong, Marc Fossorier
This paper proposes a framework for combined source-channel coding for a power and bandwidth constrained noisy channel. The framework is applied to progressive image transmission using constant...
Combined Source-Channel Coding of Images under Power and Bandwidth Constraints (2007)
Nouman Raja, Zixiang Xiong, Marc Fossorier
This paper proposes a framework for combined source-channel coding for a power and bandwidth constrained noisy channel. The framework is applied to progressive image transmission using constant...
Noise-injected neural networks show promise for use on small-sample expression data (2006)
Hua, Jianping, Lowey, James, Xiong, Zixiang, Dougherty, Edward R
Abstract Background Overfitting the data is a salient issue for classifier design in small-sample settings. This is why selecting a classifier from a constrained family of classifiers, ones that do...
Normalization Benefits Microarray-Based Classification (2006)
Jianping Hua, Yoganand Balagurunathan, Yidong Chen, James Lowey, Michael L. Bittner, Zixiang Xiong, ...
When using cDNA microarrays, normalization to correct labeling bias is a common preliminary step before further data analysis is applied, its objective being to reduce the variation between arrays....
small-sample expression data (2006)
Bmc Bioinformatics, Jianping Hua, James Lowey, Zixiang Xiong, Edward R Dougherty, Edward R Dougherty
Noise-injected neural networks show promise for use on
Zhixin Liu, Samuel Cheng, Angelos D. Liveris, Zixiang Xiong
Nested lattice quantization provides a practical scheme for Wyner-Ziv coding. This paper examines the high-rate performance of nested lattice quantizers and gives the theoretical performance for...
Normalization Benefits Microarray-Based Classification (2006)
Jianping Hua, Yoganand Balagurunathan, Yidong Chen, James Lowey, Michael L. Bittner, Zixiang Xiong, ...
When using cDNA microarrays, normalization to correct labeling bias is a common preliminary step before further data analysis is applied, its objective being to reduce the variation between arrays....
Error-Resilient Unequal Error Protection of Fine Granularity Scalable Video Bitstreams (2006)
Hua Cai, Bing Zeng, Guobin Shen, Zixiang Xiong, Shipeng Li
This paper deals with the optimal packet loss protection issue for streaming the fine granularity scalable (FGS) video bitstreams over IP networks. Unlike many other existing protection schemes, we...
On practical design for joint distributed source and network coding (2005)
Yunnan Wu, Vladimir Stanković, Zixiang Xiong, Sun-yuan Kung
Abstract — We consider the problem of communicating correlated information from two source nodes over a network to multiple destination nodes. This problem involves a joint consideration of...
On multiterminal source code design (2005)
Yang Yang, Vladimir Stanković, Zixiang Xiong, Wei Zhao
Multiterminal (MT) source coding refers to separate lossy encoding and joint decoding of multiple correlated sources. This paper presents two practical MT coding schemes under the same general...
Optimal number of features as a function of sample size for various classification rules (2005)
Hua, Jianping, Xiong, Zixiang, Lowey, James, Suh, Edward, Dougherty, Edward R.
Motivation: Given the joint feature-label distribution, increasing the number of features always results in decreased classification error; however, this is not the case when a classifier is designed...
Jianping Hua, Zhongmin Liu, Zixiang Xiong, Qiang Wu, Kenneth R. Castleman
This paper presents microarray BASICA: an integrated image processing tool for background adjustment, segmentation, image compression, and analysis of cDNA microarray images. BASICA uses a fast...
Asymmetric code design for remote multiterminal source coding (2004)
Yang Yang, Vladimir Stanković, Zixiang Xiong, Wei Zhao
We perform asymmetric code design for remote multiterminal source coding (the CEO problem [1,2]) in the quadratic Gaussian case. For an i.i.d. Gaussian source we have two noisy � � � � �...
Successive refinement for the Wyner-Ziv problem and layered code design (2004)
Driven by a host of applications, distributed source coding (DSC) has assumed renewed interest in recent years. Wyner-Ziv coding (WZC), which deals with the rate-distortion problem with side...
Slepian-Wolf coding of multiple M-ary sources using LDPC codes (2004)
Ching-fu Lan, Angelos D. Liveris, Krishna Narayanan, Zixiang Xiong, Costas Georghiades
We consider Slepian-Wolf coding of n correlated m-ary sources Xl’s for l ∈{1, 2,..., n}. Applying the syndrome concept, we show how multi-level codes with low-density paritycheck (LDPC) codes at...
Multiterminal source code design based on Slepian-Wolf coded quantization”, in preparation (2004)
Yang Yang, Vladimir Stanković, Zixiang Xiong, Wei Zhao
Abstract- Multiterminal (MT) source coding refers to separate lossy encoding and joint decoding of multiple correlated sources. This paper presents two practical MT coding schemes under the same...
Asymmetric code design for remote multiterminal source coding (2004)
Yang Yang, Vladimir Stanković, Zixiang Xiong, Wei Zhao
We perform asymmetric code design for remote multiterminal source coding (the CEO problem [1,2]) in the quadratic Gaussian case. For an i.i.d. Gaussian source we have two noisy � � � � �...
Advanced motion threading for 3D wavelet video coding (2004)
Lin Luo, Feng Wu, Shipeng Li, Zixiang Xiong, Zhenquan Zhuang
This paper presents an advanced motion threading technique for improved performance in 3D wavelet coding. First, we extend an original motion threading idea of ours to a lifting-based implementation....
Wyner-ziv video compression and fountain codes for receiver-driven layered multicast (2004)
Qian Xu, Vladimir Stanković, Zixiang Xiong
The proliferation of video streaming applications that distribute data to a large number of clients motivates the design of fast and reliable multimedia delivery systems capable to adapt effectively...
Ruiqin Xiong, Feng Wu, Shipeng Li, Zixiang Xiong, Ya-qin Zhang
This paper proposes an adaptive block-size motion alignment technique in 3D wavelet coding to further exploit temporal correlations across pictures. Similar to B picture in traditional video coding,...
TOPICS IN GENOMIC IMAGE PROCESSING Approved as to style and content by: (2004)
Jianping Hua, Zixiang Xiong, Edward R. Dougherty, K. Chan, Costas N. Georghiades, Chanan Singh
by
Kenneth R. Castleman, Qiang Wu, Zixiang Xiong, Zhongmin Liu, Jianping Hua
This paper presents microarray BASICA: an integrated image processing tool for background adjustment, segmentation, image compression, and analysis of cDNA microarray images. BASICA uses a fast...
Jianping Hua, Zhongmin Liu, Zixiang Xiong, Qiang Wu, Kenneth R. Castleman
This paper presents microarray BASICA: an integrated image processing tool for background adjustment, segmentation, image compression, and analysis of cDNA microarray images. BASICA uses a fast...
Optimal number of features as a function of sample size for various classification rules (2004)
Hua, Jianping, Xiong, Zixiang, Lowey, James, Suh, Edward, Dougherty, Edward R.
Motivation: Given the joint feature-label distribution, increasing the number of features always results in decreased classification error; however, this is not the case when a classifier is designed...
Optimal number of features as a function of sample size for various classification rules (2004)
Hua, Jianping, Xiong, Zixiang, Lowey, James, Suh, Edward, Dougherty, Edward R.
Motivation: Given the joint feature-label distribution, increasing the number of features always results in decreased classification error; however, this is not the case when a classifier is designed...
Combined Wavelet Video Coding and Error Control for Internet Streaming and Multicast (2003)
This paper proposes an integrated approach to Internet video streaming and multicast (e.g., receiver-driven layered multicast (RLM) by McCanne) based on combined wavelet video coding and error...
Rate-based versus distortion-based optimal error protection of embedded codes (2003)
Hamzaoui, Raouf, Stankovic, Vladimir, Xiong, Zixiang
We consider a joint source-channel coding system that protects an embedded bitstream using a finite family of channel codes with error detection and error correction capability. The performance of...
Rate-Based Versus Distortion-Based Optimal Error Protection of Embedded Codes (2003)
Vladimir Stankovic, Zixiang Xiong, Fachbereich Informatik Und Informationswissenschaft, Raouf Hamzaoui, Raouf Hamzaoui
We consider a joint source-channel coding system that protects an embedded bitstream using a finite family of channel codes with error detection and error correction capability. The performance of...
Zixiang Xiong, Angelos D. Liveris, Samuel Cheng
In recent years, sensor research has been undergoing a quiet revolution, promising to have a signifi-cant impact throughout society that could quite possibly dwarf previous milestones in the...
Approved as to style and content by: (2003)
Zixiang Xiong, Chanan Singh, Costas N. Georghiades, Jose Silva-martinez
(Member) Combined Source-Channel Coding for a Power and
Combined Wavelet Video Coding and Error Control for Internet Streaming and Multicast (2003)
This paper proposes an integrated approach to Internet video streaming and multicast (e.g., receiver-driven layered multicast (RLM) by McCanne) based on combined wavelet video coding and error...
Combined Wavelet Video Coding and Error Control for Internet Streaming and Multicast (2003)
This paper proposes an integrated approach to Internet video streaming and multicast (e.g., receiver-driven layered multicast (RLM) by McCanne) based on combined wavelet video coding and error...
Fast segmentation and lossy-to-lossless compression of DNA microarray images (2002)
Jianping Hua, Zixiang Xiong, Qiang Wu, Kenneth Castleman
This paper introduces a fast algorithm for microarray image segmentation and an object-based coding technique to compress the segmented DNA microarray images using modified embedded block coding with...
Rate-based versus distortion-based optimal joint source-channel coding (2002)
Raouf Hamzaoui, Vladimir Stanković, Zixiang Xiong
Abstract- We consider a joint source-channel coding system that protects an embedded wavelet bitstream against noise using a finite family of channel codes with error detection and error correction...
Angelos D. Liveris, Zixiang Xiong, Costas N. Georghiades
Abstract — We use systematic irregular repeat accumulate (IRA) codes as source-channel codes for the transmission of an equiprobable memoryless binary source with side information at the decoder. A...
An Optimal Packetization Scheme For Fine Granularity Scalable (2002)
Bitstream Hua Cai, Hua Cai, Guobin Shen, Zixiang Xiong, Shipeng Li, Bing Zeng
This paper addresses the problem of optimal packetization for Fine Granularity Scalability (FGS) bit stream. A very general performance metric for streaming FGS bit streams over packet erasure...
Dynamic Programming Based Smoothing of VBR Video Traffic (2002)
Cam Barker, Zixiang Xiong, Anthony Kuh
The compression of videos using variable-bit-rate encoding produces constant quality video at the expense of significant bit-rate variability. Intelligent traffic smoothing techniques are needed to...
Three-dimensional embedded subband coding with optimized truncation (2001)
Jizheng Xu, Zixiang Xiong, Shipeng Li, Ya-qin Zhang
This paper presents an efficient video coding algorithm: Three-dimensional embedded subband coding with optimized truncation (3-D ESCOT), in which coefficients in different subbands are independently...
Progressive Source Coding for a Power Constrained Gaussian (2001)
For a power constrained Gaussian channel we determine the energy per bit for a BPSK transmitter and the channel code rate to minimize the end-to-end average quantizer distortion for certain...
Progressive Source Coding for a Power Constrained Gaussian (2001)
We consider the progressive transmission of a lossy source across a power constrained Gaussian channel using BPSK modulation. Under the theoretical assumptions of infinite bandwidth, arbitrarily...
3-D Wavelet Coding of Video with Arbitrary Regions of Support (2001)
Gavin Minami, Zixiang Xiong, Albert Wang, Sanjeev Mehrotra
We examine 3-D wavelet coding of video with arbitrary regions of support (AROS). A critically sampled wavelet transform is applied to the AROS and a modified 3-D set partitioning in hierarchical...
Image Enhancement Using Multiscale Differential Operators (2001)
Yu-ping Wang, Qiang Wu, Kenneth R. Castleman, Zixiang Xiong
Differential operators have been widely used for multiscale geometric descriptions of images. Efficient computation of these differential operators can be obtained by taking advantage of the spline...
Error resilient scalable audio coding (ERSAC) for mobile applications (2001)
Jianping Zhou, Qian Zhang, Zixiang Xiong, Wenwu Zhu
ABSTRACT – Delivering high-fidelity audio over wireless channels is a challenging task because the wireless channel presents not only erasure errors, but also random bit errors. These errors have...
Jizheng Xu, Shipeng Li, Ya-qin Zhang, Zixiang Xiong
In this paper, we present an efficient three-dimensional wavelet video coding algorithm called 3-D Embedded Subband Coding with Optimized Truncation (3-D ESCOT). In the proposed ESCOT algorithm, the...
On boundary effects in 3-D wavelet video coding (2000)
Jizheng Xu, Zixiang Xiong, Ya-qin Zhang
3-D wavelet-based scalable video coding provides a viable alternative to standard MC-DCT coding. However, many current 3-D wavelet coders experience severe boundary effects across group of picture...
Compression Techniques in Tele-Radiology (1999)
This paper describes a prototype telemedicine system for remote 3D radiation treatment planning. Due to voluminous medical image data and image streams generated in interactive frame rate involved in...
Progressive Image Compression for a Power Constrained Channel (1999)
For a power constrained Gaussian channel we determine the energy per bit for a BPSK transmitter and the channel code rate to minimize the end-to-end average quantizer distortion for progressive image...
Progressive Image Compression for a Power Constrained Channel (1999)
For a power constrained Gaussian channel we determine the energy per bit for a BPSK transmitter and the channel code rate to minimize the end-to-end average quantizer distortion for progressive image...
Wavelet-Based Smoothing and Multiplexing of VBR Video Traffic (1998)
Ye, Dejian, Xiong, Zixiang, Shao, Huai-Rong, Wu, Qiufeng, Zhu, Wenwu
Although VBR coding is more efficient than CBR coding, the burstiness of VBR video traffic brings great difficulty to network resource management. To address this problem, we propose a novel...
Error Concealment of MPEG-2 AAC Audio Using Modulo Watermarks (1998)
Cheng, Samuel, Yu, Heather, Xiong, Zixiang
We propose an error concealment scheme for MPEG-2 compressed (AAC) audio using a novel modulo watermarking technique. It can be used on top of other error control schemes. After the modulo watermark...
Wavelet Packet Image Coding Using Space-frequency Quantization (1998)
Zixiang Xiong, Kannan Ramchandran, Michael T. Orchard
We extend our previous work on space-frequency quantization (SFQ) [1] for image coding from wavelet transforms to the more general wavelet packet transforms [2]. The resulting wavelet packet coder...
Progressive Video Coding for Noisy Channels (1998)
Beong-jo Kim, Zixiang Xiong, William A. Pearlman
We extend the work of Sherwood and Zeger [1, 2] to progressive video coding for noisy channels. By utilizing a three-dimensional (3-D) extension of the set partitioning in hierarchical trees (SPIHT)...
Joint Source-Channel Image Coding for a Power Constrained Noisy Channel (1998)
Zixiang Xiong, Marc P. C, Fossorier Zixiang, Kenneth Zeger
We study joint source-channel coding for a power constrained Gaussian channel and its application to progressive image compression. For a given power constrained, we consider the optimum allocation...
Flexible Tree-structured Signal Expansions Using Time-varying Wavelet Packets (1997)
Zixiang Xiong, Kannan Ramchandran, Cormac Herley, Michael T. Orchard
In this paper we address the problem of finding the best time-varying filter bank treestructured representation for a signal. The tree is allowed to vary at regular intervals, and the spacing of...
Space-frequency Quantization for Wavelet Image Coding (1997)
Zixiang Xiong, Kannan Ramchandran, Michael T. Orchard
Recently, a new class of image coding algorithms coupling standard scalar quantization of frequency coefficients with tree-structured quantization (related to spatial structures) has attracted wide...
Beong-jo Kim, Zixiang Xiong, William A. Pearlman
In this paper, we propose a very low bit-rate embedded video coding scheme that utilizes a three dimensional (3D) extension of the set partitioning in hierarchical trees (SPIHT) algorithm which has...
Beong-jo Kim, Zixiang Xiong, William A. Pearlman
In this paper, we propose a very low bit-rate embedded video coding scheme that utilizes a three dimensional (3D) extension of the set partitioning in hierarchical trees (SPIHT) algorithm which has...
Beong-jo Kim, Zixiang Xiong, William A. Pearlman
In this paper, we propose a very low bit-rate embedded video coding scheme that utilizes a three dimensional (3D) extension of the set partitioning in hierarchical trees (SPIHT) algorithm which has...
Multiresolutional Encoding/Decoding in Embedded Image and Video Coders (1997)
Zixiang Xiong, Beong-jo Kim, William A. Pearlman, Name Zixiang Xiong
We address multiresolutional encoding and decoding within the embedded zerotree wavelet (EZW) framework for both images [1, 2] and video [3]. By varying a resolution parameter, a user can obtain...
Space-frequency Quantization for Wavelet Image Coding (1997)
Zixiang Xiong, Kannan Ramchandran, Michael T. Orchard
Recently, a new class of image coding algorithms coupling standard scalar quantization of frequency coefficients with tree-structured quantization (related to spatial structures) has attracted wide...
Flexible Tree-structured Signal Expansions Using Time-varying Wavelet Packets (1997)
Zixiang Xiong, Kannan Ramchandran, Cormac Herley, Michael T. Orchard
In this paper we address the problem of finding the best time-varying filter bank treestructured representation for a signal. The tree is allowed to vary at regular intervals, and the spacing of...
Space-frequency Quantization for Wavelet Image Coding (1997)
Zixiang Xiong, Kannan Ramchandran, Michael T. Orchard
Recently, a new class of image coding algorithms coupling standard scalar quantization of frequency coefficients with tree-structured quantization (related to spatial structures) has attracted wide...
Adaptive transforms for image coding using spatially varying wavelet packets (1996)
Ramchandran, Kannan, Xiong, Zixiang, Asai, Kohtaro, Vetterli, Martin
Adaptive Transforms for Image Coding Using Spatially-Varying Wavelet Packets (1996)
Kannan Ramchandran, Zixiang Xiong, Kohtaro Asai, Martin Vetterli
We introduce a novel, adaptive image representation using spatially varying wavelet packets. Our adaptive representation uses the fast double tree algorithm introduced in [1] to optimize an...
Inverse Halftoning Using Wavelets (1996)
Zixiang Xiong, Michael T. Orchard, Kannan Ramch
This paper introduces a new approach to inverse halftoning using nonorthogonal wavelets. The distinct features of this wavelet-based approach are: a) edge information in the highpass wavelet images...
A DCT-based Embedded Image Coder (1996)
Zixiang Xiong, Onur Guleryuz, Michael T. Orchard, Name Zixiang Xiong
Since Shapiro published his work on embedded zerotree wavelet (EZW) image coding [1], there have been increased research activities in image coding centered around wavelets. In this letter, we first...
Representation And Coding Of Images Using Wavelets (1996)
Zixiang Xiong, Michael T. Orchard, Kannan Ramch
lgorithms for finding the best basis from the libraries. Using these algorithms to select the best tree-structured representation with a rate-distortion cost function gives very efficient adaptive...
A Deblocking Algorithm for JPEG Compressed Images Using Overcomplete Wavelet Representations (1996)
Zixiang Xiong, Michael T. Orchard, Ya-qin Zhang
This paper introduces a new approach to deblocking of JPEG compressed images using overcomplete wavelet representations. By exploiting cross-scale correlations among wavelet coefficients, edge...
Inverse Halftoning Using Wavelets (1996)
Zixiang Xiong, Michael T. Orchard, Kannan Ramchandran
This paper introduces a new approach to inverse halftoning using nonorthogonal wavelets. The distinct features of this wavelet-based approach are: a) edge information in the highpass wavelet images...
Joint Optimization of Scalar and Tree-structured Quantization of Wavelet Image Decompositions (1993)
Zixiang Xiong, Kannan Ramchandran, Michael T. Orchard
Wavelet image decompositions generate a treestructured set of coefficients, providing an hierarchical data-structure for representing images. While early wavelet-based algorithms for image...
Thesis (M.S.)--Illinois Institute of Technology, 1992.
Noise-injected neural networks show promise for use on small-sample expression data
Hua, Jianping, Lowey, James, Xiong, Zixiang, Dougherty, Edward R
Noise-injected neural networks show promise for use on small-sample expression data
Hua, Jianping, Lowey, James, Xiong, Zixiang, Dougherty, Edward R
Normalization Benefits Microarray-Based Classification
Hua, Jianping, Balagurunathan, Yoganand, Chen, Yidong, Lowey, James, Bittner, Michael L., Xiong, Zixiang, ...
When using cDNA microarrays, normalization to correct labeling bias is a common preliminary step before further data analysis is applied, its objective being to reduce the variation between arrays....