Error control for block-based compressed sensing with quadtree partition concepts

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題名:	Error control for block-based compressed sensing with quadtree partition concepts
作者:	Huang, Hsiang-cheh;Chang, Feng-cheng;Chen, Po-liang
關鍵詞:	Image quality;Image coding;Rate-distortion;Propagation losses;Size measurement;Sensors;Error correction
日期:	2023-11-16
上傳時間:	2023-12-06 12:05:44 (UTC+8)
出版者:	IEEE
摘要:	Block-based compressed sensing has been a popular topic in image compression researches. A major portion of papers with this topic concentrates on compression performances based on rate-distortion theory. Here, we focus on the performances of reconstructed images with the transmission over lossless and lossy channels. Conventional block-based compressed sensing chooses fixed-sized square blocks to perform encoding. With quadtree partition that is based on the characteristics of image regions, we can separate square blocks with different sizes, and then perform compressed sensing independently. By fixing the measurement rate in both cases, we can observe and compare the performances with fixed-sized blocks and those with quadtree partition with the different percentages of block sizes. Better performances with quadtree partition can be observed in most cases.
DOI:	10.1109/GCCE59613.2023.10315556
顯示於類別:	[資訊工程學系暨研究所] 會議論文

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