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Progressive Motion Vector Clustering for Motion Estimation and Auxiliary Tracking
Ke Chen, Zhong Zhou, Wei Wu
Article No.: 33
The motion vector similarity between neighboring blocks is widely used in motion estimation algorithms. However, for nonneighboring blocks, they may also have similar motions due to close depths or belonging to the same object inside the scene....
3D High Efficiency Video Coding (3D-HEVC) is an extension of the HEVC standard for coding of multiview videos and depth maps. It inherits the same quadtree coding structure as HEVC for both components, which allows recursively splitting into four...
Boosted Multifeature Learning for Cross-Domain Transfer
Xiaoshan Yang, Tianzhu Zhang, Changsheng Xu, Ming-Hsuan Yang
Article No.: 35
Conventional learning algorithm assumes that the training data and test data share a common distribution. However, this assumption will greatly hinder the practical application of the learned model for cross-domain data analysis in multimedia. To...
Double Verification Secret Sharing Mechanism Based on Adaptive Pixel Pair Matching
Article No.: 36
Verifiability is essential for the secret sharing approach, which allows the involved participants to detect cheaters during the secret retrieval process. In this article, we propose a double verification secret sharing (DVSS) mechanism that can...
INSTRE: A New Benchmark for Instance-Level Object Retrieval and Recognition
Shuang Wang, Shuqiang Jiang
Article No.: 37
Over the last several decades, researches on visual object retrieval and recognition have achieved fast and remarkable success. However, while the category-level tasks prevail in the community, the instance-level tasks (especially recognition)...
Cloud-based multimedia systems are becoming increasingly common. These systems offer not only storage facility, but also high-end computing infrastructure which can be used to process data for various analysis tasks ranging from low-level data...
Content vs. Context: Visual and Geographic Information Use in Video Landmark Retrieval
Yifang Yin, Beomjoo Seo, Roger Zimmermann
Article No.: 39
Due to the ubiquity of sensor-equipped smartphones, it has become increasingly feasible for users to capture videos together with associated geographic metadata, for example the location and the orientation of the camera. Such contextual...
Robust Color Image Watermarking Using Geometric Invariant Quaternion Polar Harmonic Transform
Hong-Ying Yang, Xiang-Yang Wang, Pan-Pan Niu, Ai-Long Wang
Article No.: 40
It is a challenging work to design a robust color image watermarking scheme against geometric distortions. Moments and moment invariants have become a powerful tool in robust image watermarking owing to their image description capability and...