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Corner-like features are important in computer vision problems such as object matching, tracking, recognition, and retrieval. Most corner detectors operate in the pixel domain, which means that they require image or video to be fully decoded and reconstructed before detection can start. In this paper we describe a method for generating corner proposals from compressed HEVC bitstreams without full...
In this paper, we present a pixel-wise unified rate quantization (R-Q) model for a low-complexity rate control on configurable coding units of high efficiency video coding (HEVC). In the case of HEVC, which employs hierarchical coding block structure, multiple R-Q models can be employed for the various block sizes. However, we found that the ratios of distortions over bits for all the blocks are a...
In this paper, we propose two structures for scalable video coding (SVC) based on HEVC. Several inter-layer prediction mechanisms are introduced to improve coding efficiency of the proposed HEVC-based SVC. The proposed inter-layer predictions are developed on single-loop and multi-loop decoding structures. We found that the proposed SVC is able to decrease average bitrates of enhancement layers by...
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