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Screen content coding (SCC) is the latest extension of the High-Efficiency Video Coding (HEVC) aiming to improve the compression efficiency of screen content video. With newly developed tools such as intra block copy (IntraBC) and palette (PLT) mode, SCC has been able to compress the desktop screens more efficiently but with significant complexity increase. In this paper, we improve the intra prediction...
This work attempts to quantitatively study the impacts of the different input video source format on the coding efficiency and complexity of the recent High-Efficiency Video Coding (HEVC) based screen content compression. Besides the native RGB color space, YUV color space with 4:4:4 and 4:2:0 chroma sampling are investigated. Decoded videos are all converted to the RGB space to calculate the structural...
Due to limited information given by traditional local statistics, a new statistical modeling method for gear fault signals is proposed based on alpha-stable distribution. In order to fully take advantages of complete information provided by alpha-stable distribution, this paper focuses on testing the validity of the proposed statistical model. In the meantime, a new gear fault detection method based...
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