Fast Global Motion Estimation via Modified ILSE Method (2009)
Jia Wang, Hanqing Lu, Qingshan Liu
This paper presents a Modified ILSE technique for global motion estimation where Gradient Thresholding (GT)is used to analyze and preprocess the image blocks before motion estimation.Bymeans of...
Lottery Digit Recognition Based on Multi-features (2008)
Decong Yu, Lihong Ma, Hanqing Lu, Senior Member
Abstract—In this paper, we propose a new method based on multi-features for lottery digit recognition. Since the lottery digits are different from free handwritten ones, we can find a much more...
Shot-Level Camera Motion Estimation Based on a Parametric Model (2008)
Ling-yu Duan, Jinqiao Wang, Yantao Zheng, Changsheng Xu, Qi Tian, Jesse S. Jin, ...
This paper presents a system for shot-level camera motion analysis via the estimation of global motion from image sequences. An affine model is used to parameterize the global motion resulting from...
Shot Classification in Broadcast Soccer Video (2008)
Xiaofeng Tong, Qingshan Liu, Hanqing Lu
In this paper, we present an effective hierarchical shot classification scheme for broadcast soccer video. We first partition a video into replay and non-replay shots with replay logo detection....
Virtual Mouse----Inputting Device by Hand Gesture Tracking and Recognition + (2008)
Changbo Hu, Lichen Liang, Songde Ma, Hanqing Lu
Abstract. In this paper, we develop a system to track and recognize hand motion in nearly real time. An important application of this system is to simulate mouse as a visual inputting device....
Topology-Preserved Diffusion Distance for Histogram Comparison (2008)
Wang Yan, Qiqi Wang, Qingshan Liu, Hanqing Lu, Songde Ma
In most previous works, histograms are simply treated as n-dimensional arrays or even reshaped into vectors when measuring the distances between them. However many histograms have their intrinsic...
AUTOMATIC ANNOTATION OF LOCATION INFORMATION FOR WWW IMAGES (2008)
Zhigang Hua, Chuang Wang, Xing Xie, Hanqing Lu, Wei-ying Ma
Currently, a crucial challenge is raised on how to manage a large amount of images on the Web. Due to a real synergy between an image and its location, we propose an automatic solution to annotate...
Car Detection Based on Multi-Cues Integration (2008)
Zhenfeng Zhu, Hanqing Lu, James Hu, Keiichi Uchimura
In this paper we present a novel fast multi-cues based car detection technique in still outdoor images. On the bottom level, two novel area templates based on edge cue and interest points cue are...
Shot Classification in broadcast Soccer Video (2008)
Tong, Xiaofeng, Liu, Qingshan, Lu, Hanqing
In this paper, we present an effective hierarchical shot classification scheme for broadcast soccer video. We first partition a video into replay and non-replay shots with replay logo detection....
A multimodal scheme for program segmentation and representation in broadcast video streams (2008)
Wang, Jinqiao, Duan, Lingyu, Liu, Qingshan, Lu, Hanqing, Jin, Jesse S.
With the advance of digital video recording and playback systems, the request for efficiently managing recorded TV video programs is evident so that users can readily locate and browse their favorite...
Digesting commercial clips from TV streams (2008)
Duan, Ling-Yu, Zheng, Yan-Tao, Wang, Jinqiao, Lu, Hanqing, Jin, Jesse S.
A commercial system that performs syntactic and semantic analysis during a TV advertising break could facilitate innovative new applications, such as an intelligent set-top box that enhances the...
Global Motion Model for Stereovision-Based Motion Analysis (2006)
Jia Wang, Zhencheng Hu, Keiichi Uchimura, Hanqing Lu
An advantage of stereovision-based motion analysis is that the depth information is available, thus motion can be estimated more precisely in 2.5D stereo coordinate system (SCS) constructed by the...
Representing Personal Web Information Using a Topic-Oriented Interface (2005)
Zhigang Hua, Hao Liu, Xing Xie, Hanqing Lu, Wei-ying Ma
Nowadays, Web activities have become daily practice for people. It is therefore essential to organize and present this continuously increasing Web information in a more usable manner. In this paper,...
Journal of Computer Science & Technology (2004)
Luo, Jianshu, Tang, Zeying, Lu, Hanqing
In this paper, an improvement of deformable template matching algorithm for polygonal objects in grayscale images using two-dimensional deformable templates along orthogonal curves is presented. In...
Journal of Computer Science & Technology (2004)
Luo, Jianshu, Tang, Zeying, Lu, Hanqing
In this paper, an improvement of deformable template matching algorithm for polygonal objects in grayscale images using two-dimensional deformable templates along orthogonal curves is presented. In...
Face alignment under variable illumination (2004)
Yuchi Huang, Stephen Lin, Stan Z. Li, Hanqing Lu, Heung-yeung Shum
This paper presents an approach to face alignment under variable illumination, an obstacle largely ignored in previous 2D alignment work. To account for illumination variation, our method employs two...
Face alignment under variable illumination (2004)
Yuchi Huang, Stephen Lin, Stan Z. Li, Hanqing Lu, Heung-yeung Shum
This paper presents an approach to face alignment under variable illumination, an obstacle largely ignored in previous 2D alignment work. To account for illumination variation, our method employs two...
Multiple-cue illumination estimation in textured scenes (2003)
Yuanzhen Li, Stephen Lin, Hanqing Lu, Heung-yeung Shum
In this paper, we present a method that integrates cues from shading, shadow and specular reflections for estimating directional illumination in a textured scene. Texture poses a problem for lighting...
Solving the Small Sample Size Problem of LDA (2002)
Rui Huang, Qingshan Liu, Hanqing Lu, Songde Ma
The small sample size problem is often encountered in pattern recognition. It results in the singularity of the within-class scatter matrix Sw in Linear Discriminant Analysis (LDA). Different methods...