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UW-Madison ECE 533 - Comparison of image compression algorithms

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Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Comparison of image compression algorithmsECE-533Paula AguileraFive Different FormatsFORMAT NAME CHARACTERISTICSBMP Windows bitmap Uncompressed formatTIFF Tagged Image File Format Lossless: Document scanning and imaging format. Flexible: LZW, CCITT, RLE.PNG Portable Network GraphicsLossless: improve and replace GIF, superior to TIFFJPEG Joint Photographic Experts Group Lossy: big compression ratio, good for photographic images JPEG 2000 Joint Photographic Experts Group 2000 Lossy: eventual replacement for JPEGLossless (24 bit color) BMP 696 KBTIFF-LZW 378KBPNG 258KBJPEG 43,3KBLossless(8 bit color)BMP 257 KB TIFF LWZ 251KBPNG 173 KB JPEG 79 KBText compression:BMP 1,07MBTIFF CCITT4 50,9KBPNG 97,1KBJPEG 1MJPEGQuality 100 334KBQuality 50 49,5KBQuality 10 16,3KBQuality 1 6,3KBJPEG: Decreasing of the sizeJPEG 2000JPEG 2000 6,3KBJPEG 6,3KBJPEG 2000JPEG 148KBJPEG 2000


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UW-Madison ECE 533 - Comparison of image compression algorithms

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