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64 * 64 compression ratio

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ashasabeer Posts: 55	Posted 20:38 May 16, 2011 \| Here is my ouput for 64*64 image N: 0 Size of original input image: 64 x 64 Size of padded image: 64 x 64 Number of blocks for Y values: 8 x 8 Number of blocks for CrCb values: 4 x 4 Number of bits needed for original image : 98304.0 Number of bits for Y: 1536 Number of bits for Cr: 352 Number of bits for Cb: 352 Compression Ratio: 43.885714285714286 N: 1 Size of original input image: 64 x 64 Size of padded image: 64 x 64 Number of blocks for Y values: 8 x 8 Number of blocks for CrCb values: 4 x 4 Number of bits needed for original image : 98304.0 Number of bits for Y: 1408 Number of bits for Cr: 320 Number of bits for Cb: 320 Compression Ratio: 48.0 N: 2 Size of original input image: 64 x 64 Size of padded image: 64 x 64 Number of blocks for Y values: 8 x 8 Number of blocks for CrCb values: 4 x 4 Number of bits needed for original image : 98304.0 Number of bits for Y: 1280 Number of bits for Cr: 288 Number of bits for Cb: 288 Compression Ratio: 52.96551724137931 N: 3 Size of original input image: 64 x 64 Size of padded image: 64 x 64 Number of blocks for Y values: 8 x 8 Number of blocks for CrCb values: 4 x 4 Number of bits needed for original image : 98304.0 Number of bits for Y: 1152 Number of bits for Cr: 256 Number of bits for Cb: 256 Compression Ratio: 59.07692307692308 N: 4 Size of original input image: 64 x 64 Size of padded image: 64 x 64 Number of blocks for Y values: 8 x 8 Number of blocks for CrCb values: 4 x 4 Number of bits needed for original image : 98304.0 Number of bits for Y: 1024 Number of bits for Cr: 224 Number of bits for Cb: 224 Compression Ratio: 66.78260869565217 N: 5 Size of original input image: 64 x 64 Size of padded image: 64 x 64 Number of blocks for Y values: 8 x 8 Number of blocks for CrCb values: 4 x 4 Number of bits needed for original image : 98304.0 Number of bits for Y: 896 Number of bits for Cr: 192 Number of bits for Cb: 192 Compression Ratio: 76.8
eykang Posts: 95	Posted 20:49 May 16, 2011 \| You output is correct. But no need to post output for the 64x64 input as the solution is already out. Please post outputs for Ducky and Dune. --Kang
ashasabeer Posts: 55	Posted 20:58 May 16, 2011 \| Here is my oupt for Ducky and Dune. Ducky.ppm N: 0 Size of original input image: 250 x 273 Size of padded image: 256 x 280 Number of blocks for Y values: 32 x 35 Number of blocks for CrCb values: 16 x 18 Number of bits needed for original image : 1638000.0 Number of bits for Y: 141956 Number of bits for Cr: 21488 Number of bits for Cb: 29456 Compression Ratio: 8.491446345256609 N: 1 Size of original input image: 250 x 273 Size of padded image: 256 x 280 Number of blocks for Y values: 32 x 35 Number of blocks for CrCb values: 16 x 18 Number of bits needed for original image : 1638000.0 Number of bits for Y: 101894 Number of bits for Cr: 14769 Number of bits for Cb: 19395 Compression Ratio: 12.038983374737244 N: 2 Size of original input image: 250 x 273 Size of padded image: 256 x 280 Number of blocks for Y values: 32 x 35 Number of blocks for CrCb values: 16 x 18 Number of bits needed for original image : 1638000.0 Number of bits for Y: 72681 Number of bits for Cr: 10164 Number of bits for Cb: 12816 Compression Ratio: 17.122965471822372 N: 3 Size of original input image: 250 x 273 Size of padded image: 256 x 280 Number of blocks for Y values: 32 x 35 Number of blocks for CrCb values: 16 x 18 Number of bits needed for original image : 1638000.0 Number of bits for Y: 51444 Number of bits for Cr: 7193 Number of bits for Cb: 9514 Compression Ratio: 24.034863758418805 N: 4 Size of original input image: 250 x 273 Size of padded image: 256 x 280 Number of blocks for Y values: 32 x 35 Number of blocks for CrCb values: 16 x 18 Number of bits needed for original image : 1638000.0 Number of bits for Y: 36092 Number of bits for Cr: 4842 Number of bits for Cb: 6562 Compression Ratio: 34.48711470439616 N: 5 Size of original input image: 250 x 273 Size of padded image: 256 x 280 Number of blocks for Y values: 32 x 35 Number of blocks for CrCb values: 16 x 18 Number of bits needed for original image : 1638000.0 Number of bits for Y: 24600 Number of bits for Cr: 3537 Number of bits for Cb: 4311 Compression Ratio: 50.48076923076923 Dune.ppm N: 0 Size of original input image: 320 x 320 Size of padded image: 320 x 320 Number of blocks for Y values: 40 x 40 Number of blocks for CrCb values: 20 x 20 Number of bits needed for original image : 2457600.0 Number of bits for Y: 187042 Number of bits for Cr: 24212 Number of bits for Cb: 26456 Compression Ratio: 10.338647932354549 N: 1 Size of original input image: 320 x 320 Size of padded image: 320 x 320 Number of blocks for Y values: 40 x 40 Number of blocks for CrCb values: 20 x 20 Number of bits needed for original image : 2457600.0 Number of bits for Y: 115663 Number of bits for Cr: 15371 Number of bits for Cb: 17087 Compression Ratio: 16.591840454763336 N: 2 Size of original input image: 320 x 320 Size of padded image: 320 x 320 Number of blocks for Y values: 40 x 40 Number of blocks for CrCb values: 20 x 20 Number of bits needed for original image : 2457600.0 Number of bits for Y: 74838 Number of bits for Cr: 10404 Number of bits for Cb: 11640 Compression Ratio: 25.366941227472594 N: 3 Size of original input image: 320 x 320 Size of padded image: 320 x 320 Number of blocks for Y values: 40 x 40 Number of blocks for CrCb values: 20 x 20 Number of bits needed for original image : 2457600.0 Number of bits for Y: 52620 Number of bits for Cr: 7434 Number of bits for Cb: 8193 Compression Ratio: 36.01037408237725 N: 4 Size of original input image: 320 x 320 Size of padded image: 320 x 320 Number of blocks for Y values: 40 x 40 Number of blocks for CrCb values: 20 x 20 Number of bits needed for original image : 2457600.0 Number of bits for Y: 37194 Number of bits for Cr: 6140 Number of bits for Cb: 6480 Compression Ratio: 49.33552816477295 N: 5 Size of original input image: 320 x 320 Size of padded image: 320 x 320 Number of blocks for Y values: 40 x 40 Number of blocks for CrCb values: 20 x 20 Number of bits needed for original image : 2457600.0 Number of bits for Y: 26210 Number of bits for Cr: 5016 Number of bits for Cb: 5142 Compression Ratio: 67.57589089309283
amir309 Posts: 4	Posted 21:24 May 16, 2011 \| Dune.PPM : S=2,457,600 n=0: Y=118,695 Cr=17,186 Cb=18,698 D=154,579 CR=15.9 n=1: Y=82,828 Cr=12,199 Cb=13,148 D=10,8175 CR=22.72 n=2: Y=57,324 Cr=9,036 Cb=9,732 D=76,092 CR=32.3 n=3: Y=42,504 Cr=6,961 Cb=7,368 D=56,833 CR=43.24 n=4: Y=31,892 Cr=5,820 Cb=6,050 D=43,762 CR=56.16 n=5: Y=24,420 Cr=4,917 Cb=4,944 D=34,281 CR=71.69 Last edited by amir309 at 22:33 May 16, 2011.
hmodi Posts: 27	Posted 23:06 May 16, 2011 \| Attached is compression ratio for ducky and dune. Attachments: CompressionRatio.txt