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Color Segmentation




Segmentation Demonstration

   The sequence of pictures is a comparison between JPG and PNG. The first 2 pictures are unsegmented. The remaining pictures are segmented at increasingly fewer colors and then compressed with PNG.

    In images that have a high density of artifacts, JPG looks good, but JPG usually produces artifacts on a flat background. PNG is lossless and, therefore, has consistently high quality.

BMP File size: 1,053,186 Bytes - Photo Courtesy of Tom Severino

BEE.png
size: 439,154 KB

BEE.jpg
size: 217,922 KB

File size: 363,391 Bytes
Color tolerance: 2

File size: 317,797 Bytes
Color tolerance: 3

File size: 278,282 Bytes
Color tolerance: 4

File size: 246,268 Bytes
Color tolerance: 5

File size: 221,219 Bytes
Color tolerance: 6

File size: 194,306 Bytes
Color tolerance: 7

File size: 176,207 Bytes
Color tolerance: 8

File size: 161,689 Bytes
Color tolerance: 9

File size: 149,490 Bytes
Color tolerance: 10

File size: 138,556 Bytes
Color tolerance: 11

File size: 127,089 Bytes
Color tolerance: 12

File size: 119,264 Bytes
Color tolerance: 13

File size: 111,217 Bytes
Color tolerance: 14

File size: 103,982 Bytes
Color tolerance: 15

File size: 94,922 Bytes
Color tolerance: 16

File size: 90,187 Bytes
Color tolerance: 17

File size: 84,564 Bytes
Color tolerance: 18

File size: 79,623 Bytes
Color tolerance: 19

File size: 73,738 Bytes
Color tolerance: 20

File size: 66,514 Bytes
Color tolerance: 22

File size: 62,395 Bytes
Color tolerance: 24

File size: 54,411 Bytes
Color tolerance: 27

File size: 45,536 Bytes
Color tolerance: 30

File size: 38,742 Bytes
Color tolerance: 33

File size: 33,383 Bytes
Color tolerance: 36

File size: 32,201 Bytes
Color tolerance: 40

File size: 25,775 Bytes
Color tolerance: 45

File size: 21,583 Bytes
Color tolerance: 50

File size: 20,160 Bytes
Color tolerance: 55

File size: 16,068 Bytes
Color tolerance: 60

File size: 9,961 Bytes
Color tolerance: 75

File size: 5,648 Bytes
Color tolerance: 90


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