Guetzli では雲にかかるブロックノイズが少ない。
original |
---|
253,286bytes |
quality | size | butteraugli score | image |
---|---|---|---|
80 | 29,154 | 2.59087 | ■ |
81 | 30,245 | 2.52024 | ■ |
82 | 31,089 | 2.40336 | ■ |
83 | 32,435 | 2.3375 | ■ |
84 | 33,414 | 2.27354 | ■ |
85 | 34,426 | 2.21389 | ■ |
86 | 36,132 | 2.01793 | ■ |
87 | 37,251 | 1.98011 | ■ |
88 | 39,286 | 1.96831 | ■ |
89 | 40,842 | 1.91649 | ■ |
90 | 43,443 | 1.88575 | ■ |
91 | 45,649 | 1.82252 | ■ |
92 | 48,002 | 1.75442 | ■ |
93 | 52,212 | 1.65891 | ■ |
94 | 57,496 | 1.54819 | ■ |
95 | 63,751 | 1.61309 | ■ |
96 | 71,362 | 1.43804 | ■ |
97 | 81,099 | 1.43358 | ■ |
98 | 94,898 | 1.45911 | ■ |
99 | 118,821 | 1.41951 | ■ |
100 | 134,685 | 1.41405 | ■ |
target | size | butteraugli score | image |
---|---|---|---|
2.00 | 27,661 | 1.9997 | ■ |
1.90 | 29,575 | 1.89965 | ■ |
1.80 | 31,336 | 1.79945 | ■ |
1.70 | 33,036 | 1.6999 | ■ |
1.60 | 35,666 | 1.59999 | ■ |
1.50 | 38,483 | 1.49945 | ■ |
1.40 | 40,574 | 1.39968 | ■ |
1.30 | 43,501 | 1.29965 | ■ |
1.20 | 49,270 | 1.19976 | ■ |
1.10 | 53,652 | 1.09996 | ■ |
1.00 | 58,395 | 0.99981 | ■ |
0.90 | 65,439 | 0.89995 | ■ |
0.80 | 80,229 | 0.79996 | ■ |
0.70 | 92,106 | 0.69979 | ■ |
0.60 | 109,200 | 0.59986 | ■ |
0.50 | 132,030 | 0.49993 | ■ |
0.40 | 166,134 | 0.42525 | ■ |
0.30 | 200,242 | 0.4251 | ■ |
0.20 | 222,078 | 0.4251 | ■ |
0.10 | 226,050 | 0.4251 | ■ |
0.00 | 226,050 | 0.4251 | ■ |
libjpeg-turbo では髪のハイライトのオレンジの発色が良くないことに注目。Guetzli では元の色を再現できている。
original |
---|
122,462bytes |
quality | size | butteraugli score | image |
---|---|---|---|
80 | 51,898 | 3.23887 | ■ |
81 | 53,280 | 3.11216 | ■ |
82 | 54,616 | 3.03462 | ■ |
83 | 56,308 | 2.9993 | ■ |
84 | 57,710 | 2.98655 | ■ |
85 | 59,227 | 2.98979 | ■ |
86 | 61,515 | 2.96797 | ■ |
87 | 63,266 | 2.84815 | ■ |
88 | 65,991 | 2.68843 | ■ |
89 | 68,151 | 2.61009 | ■ |
90 | 71,927 | 2.54929 | ■ |
91 | 74,792 | 2.4465 | ■ |
92 | 78,017 | 2.37049 | ■ |
93 | 83,410 | 2.31911 | ■ |
94 | 90,127 | 2.33639 | ■ |
95 | 97,533 | 2.3089 | ■ |
96 | 107,099 | 2.02556 | ■ |
97 | 117,834 | 2.03713 | ■ |
98 | 130,838 | 2.03773 | ■ |
99 | 153,807 | 2.00106 | ■ |
100 | 171,806 | 1.99426 | ■ |
target | size | butteraugli score | image |
---|---|---|---|
2.00 | 67,595 | 1.99972 | ■ |
1.90 | 69,939 | 1.89998 | ■ |
1.80 | 72,477 | 1.79714 | ■ |
1.70 | 75,753 | 1.69834 | ■ |
1.60 | 81,705 | 1.59871 | ■ |
1.50 | 98,332 | 1.49971 | ■ |
1.40 | 105,473 | 1.48244 | ■ |
1.30 | 110,444 | 1.48095 | ■ |
1.20 | 118,535 | 1.48288 | ■ |
1.10 | 133,051 | 1.48234 | ■ |
1.00 | 160,576 | 1.48274 | ■ |
0.90 | 166,696 | 1.4814 | ■ |
libjpeg quality=100 (195KB) よりも Guetzli (target = 2.00) (40KB) のほうが、モスキートノイズは多いが夜景の色がオリジナルに近い。
original |
---|
404,490bytes |
quality | size | butteraugli score | image |
---|---|---|---|
80 | 34,774 | 4.52051 | ■ |
81 | 35,747 | 4.39459 | ■ |
82 | 36,964 | 4.30205 | ■ |
83 | 38,157 | 4.15123 | ■ |
84 | 39,262 | 4.18583 | ■ |
85 | 40,530 | 4.09054 | ■ |
86 | 42,407 | 4.13364 | ■ |
87 | 43,597 | 4.01935 | ■ |
88 | 45,907 | 3.98345 | ■ |
89 | 47,488 | 3.84399 | ■ |
90 | 50,882 | 3.80082 | ■ |
91 | 53,388 | 3.766 | ■ |
92 | 55,943 | 3.75991 | ■ |
93 | 61,734 | 3.71627 | ■ |
94 | 68,260 | 3.55545 | ■ |
95 | 77,431 | 3.50994 | ■ |
96 | 86,877 | 3.47699 | ■ |
97 | 100,439 | 3.40314 | ■ |
98 | 116,024 | 3.37964 | ■ |
99 | 159,754 | 3.34243 | ■ |
100 | 199,369 | 3.33324 | ■ |
target | size | butteraugli score | image |
---|---|---|---|
2.00 | 40,641 | 1.99845 | ■ |
1.90 | 42,408 | 1.89973 | ■ |
1.80 | 44,486 | 1.79996 | ■ |
1.70 | 46,759 | 1.69838 | ■ |
1.60 | 49,145 | 1.59891 | ■ |
1.50 | 53,963 | 1.49956 | ■ |
1.40 | 57,782 | 1.39973 | ■ |
1.30 | 63,124 | 1.29951 | ■ |
1.20 | 72,943 | 1.19989 | ■ |
1.10 | 79,501 | 1.09986 | ■ |
1.00 | 89,083 | 0.99991 | ■ |
0.90 | 102,748 | 0.89998 | ■ |
0.80 | 130,234 | 0.79997 | ■ |
0.70 | 175,834 | 0.69995 | ■ |
0.60 | 228,884 | 0.6674 | ■ |
0.50 | 289,422 | 0.67483 | ■ |