Improvement of JPEG XL Lossy Image Coding Using Region Adaptive DCT Block Partitioning Structure

The Joint Picture Expert Group (JPEG) committee has been standardizing next-generation image compression, called JPEG XL, to meet the specific needs for a responsive web, wide color gamut, and high dynamic range. JPEG XL supports lossy and lossless compression. A variable-sized discrete cosine trans...

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Veröffentlicht in:	IEEE access 2021, Vol.9, p.113213-113225
Hauptverfasser:	Cho, Joonhyung, Kwon, Oh-Jin, Choi, Seungcheol
Format:	Artikel
Sprache:	eng
Schlagworte:	colorfulness Compression tests DCT block partitioning structure Discrete cosine transform Discrete cosine transforms Encoding Homogeneity homogeneous region Image coding Image color analysis Image compression JPEG encoders-decoders JPEG XL Measurement Partitioning sum-modified Laplacian Transform coding zero-crossing
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