12 Result(s)
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Hong Jiang Zhang
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Article
Content-based tag processing for Internet social images
Online social media services such as Flickr and Zooomr allow users to share their images with the others for social interaction. An important feature of these services is that the users manually annotate their...
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Scalable search-based image annotation
With the popularity of digital cameras, more and more people have accumulated considerable digital images on their personal devices. As a result, there are increasing needs to effectively search these personal...
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Open AccessManifold-Ranking-Based Keyword Propagation for Image Retrieval
A novel keyword propagation method is proposed for image retrieval based on a recently developed manifold-ranking algorithm. In contrast to existing methods which train a binary classifier for each keyword, ou...
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A probabilistic semantic model for image annotation and multi-modal image retrieval
This paper addresses automatic image annotation problem and its application to multi-modal image retrieval. The contribution of our work is three-fold. (1) We propose a probabilistic semantic model in which th...
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Unsupervised speaker segmentation and tracking in real-time audio content analysis
This paper addresses the problem of real-time speaker segmentation and speaker tracking in audio content analysis in which no prior knowledge of the number of speakers and the identities of speakers is availab...
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Robust Face Detection in Airports
Robust face detection in complex airport environment is a challenging task. The complexity in such detection systems stems from the variances in image background, view, illumination, articulation, and facial e...
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A visual attention model for adapting images on small displays
Image adaptation, one of the essential problems in adaptive content delivery for universal access, has been actively explored for some time. Most existing approaches have focused on generic adaptation with a v...
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Alternating Feature Spaces in Relevance Feedback
Image retrieval using relevance feedback can be treated as a two-class learning and classification process. The user-labelled relevant and irrelevant images are regarded as positive and negative training sampl...
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Content-based audio classification and segmentation by using support vector machines
Content-based audio classification and segmentation is a basis for further audio/video analysis. In this paper, we present our work on audio segmentation and classification which employs support vector machin...
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Motion Pattern-Based Video Classification and Retrieval
Today′s content-based video retrieval technologies are still far from human′s requirements. A fundamental reason is the lack of content representation that is able to bridge the gap between visual features and...
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A systematic rate controller for MPEG-4 FGS video streaming
This paper proposes a systematic rate controller (SRC) for content-aware streaming of MPEG-4 FGS video over the Internet. An active layer drop** technique is proposed to provide both coarse-grain and fine-g...
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Motion-Based Video Representation for Scene Change Detection
In this paper, we present a new framework to automatically group similar shots into one scene, where a scene is generally referred to as a group of shots taken place in the same site. Two major components in t...
