{"id":5373,"date":"2012-11-05T17:57:23","date_gmt":"2012-11-05T08:57:23","guid":{"rendered":"http:\/\/labs.gree.jp\/blog\/?p=5373"},"modified":"2012-11-05T17:57:23","modified_gmt":"2012-11-05T08:57:23","slug":"png%e8%bb%bd%e9%87%8f%e5%8c%96%e3%81%ae%e6%b8%9b%e8%89%b2%e3%81%a8%e5%9c%a7%e7%b8%ae%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/labs.gree.jp\/blog\/2012\/11\/5373\/","title":{"rendered":"PNG\u8efd\u91cf\u5316\u306e\u6e1b\u8272\u3068\u5727\u7e2e\u306b\u3064\u3044\u3066"},"content":{"rendered":"<p>\u306f\u3058\u3081\u307e\u3057\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u57fa\u76e4\u306e\u3044\u307e\u3084\u3067\u3059\u3002<\/p>\n<h3 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_0\"> \u306f\u3058\u3081\u306b<\/h3>\n<p>PNG \u753b\u50cf\u3092\u8efd\u91cf\u5316\u3059\u308b\u8a71\u984c\u306b\u306a\u308b\u3068\u300c\u6e1b\u8272\u300d\u3068\u300c\u53ef\u9006\u5727\u7e2e\u300d\uff08\u4ee5\u4e0b\u3001\u5358\u306b\u5727\u7e2e\u3068\u8868\u8a18\uff09\u3092\u6df7\u540c\u3057\u3066\u3044\u308b\u4f8b\u3092\u3088\u304f\u898b\u304b\u3051\u307e\u3059\u3002<br \/>\n\u3053\u306e\u8a18\u4e8b\u3067\u306f\u5727\u7e2e\u3068\u6e1b\u8272\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8aac\u660e\u3057\u3001PNG \u306e\u8efd\u91cf\u5316\u3068\u306f\u4f55\u3092\u3059\u308b\u306e\u304b\u5177\u4f53\u7684\u306b\u66f8\u304d\u3001\u3053\u308c\u3089\u306e\u6df7\u540c\u3092\u9632\u3050\u306e\u3092\u76ee\u7684\u3068\u3057\u307e\u3059\u3002<br \/>\n<strong>\u8efd\u91cf\u5316\u306e\u305d\u308c\u305e\u308c\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3057\u307e\u3059\u304c\u3001\u3053\u306e\u90e8\u5206\u306f\u8efd\u91cf\u5316\u306b\u3064\u3044\u3066\u8efd\u304f\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u3060\u3051\u306e\u65b9\u306f\u8aad\u307f\u98db\u3070\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><br \/>\n\u307e\u305f\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306f\u8aac\u660e\u306e\u305f\u3081\u3044\u304f\u3064\u304b\u306e\u8981\u7d20\u3092\u610f\u56f3\u7684\u306b\u7701\u7565\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_1\"> PNG \u306e\u753b\u50cf\u30c7\u30fc\u30bf\u5f62\u5f0f<\/h3>\n<p>\u307e\u305a\u3001PNG \u5f62\u5f0f\u306e\u753b\u50cf\u306f\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u5404\u30d4\u30af\u30bb\u30eb\u306e\u8272\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u306e\u304b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p><a rel=\"attachment wp-att-6058\" href=\"http:\/\/labs.gree.jp\/blog\/2012\/11\/5373\/indexed_colour_png\/\"><img decoding=\"async\" class=\"alignnone size-full wp-image-6058\" title=\"indexed_colour_png\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/indexed_colour_png.png\" alt=\"RGB\u5f62\u5f0f\u3068IndexedColour\u5f62\u5f0f\u306e\u6bd4\u8f03\" width=\"100%\" srcset=\"https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/indexed_colour_png.png 804w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/indexed_colour_png-212x200.png 212w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/indexed_colour_png-424x400.png 424w\" sizes=\"(max-width: 804px) 100vw, 804px\" \/><\/a><\/p>\n<p>PNG \u3067\u306f\u5927\u304d\u304f\u5206\u3051\u30662\u3064\u306e\u5f62\u5f0f\u3067\u753b\u50cf\u306e\u8272\u60c5\u5831\u3092\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u300cRGB\u5f62\u5f0f\u300d\u3068\u300cIndexed Colour \u5f62\u5f0f\u300d\u3067\u3059\u3002(\"Colour\" \u306a\u306e\u306f\u4ed5\u69d8\u306e\u8a18\u8ff0\u306b\u5f93\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059)<br \/>\nRGB \u5f62\u5f0f\u3067\u306f\u30011\u30d4\u30af\u30bb\u30eb\u3054\u3068\u306b\u8d64(Red)\u3001\u7dd1(Green)\u3001\u9752(Blue)\u306e\u5024\u3092\u305d\u308c\u305e\u308c\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\u305d\u308c\u306b\u5bfe\u3057 Indexed Colour \u5f62\u5f0f\u3067\u306f\u3001\u753b\u50cf\u306e\u4e2d\u3067\u4f7f\u308f\u308c\u308b\u8272\u3092\u30d1\u30ec\u30c3\u30c8\u3068\u3088\u3070\u308c\u308b\u30c6\u30fc\u30d6\u30eb\u306b\u4e88\u3081\u8a18\u8ff0\u3057\u3001\u30d4\u30af\u30bb\u30eb\u306f\u30d1\u30ec\u30c3\u30c8\u306e\u4f55\u756a\u76ee\u306e\u8272\u3092\u4f7f\u3046\u304b\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u305d\u308c\u305e\u308c\u306e\u884c\u306b\u306f\u5148\u982d\u306b\u30d5\u30a3\u30eb\u30bf\u3068\u3088\u3070\u308c\u308b\u3082\u306e\u3092\u8868\u3059\u30c7\u30fc\u30bf\u304c\u3064\u304d\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u5f8c\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u6700\u5f8c\u306b\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u3092 ZLIB \u3068\u3044\u3046\u5727\u7e2e\u5f62\u5f0f\u3067\u5727\u7e2e\u3057\u305f\u3082\u306e\u304c PNG \u306e\u753b\u50cf\u90e8\u5206\u306e\u30c7\u30fc\u30bf\u5f62\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_2\"> PNG \u753b\u50cf\u306e\u8efd\u91cf\u5316<\/h3>\n<p>PNG \u306e\u753b\u50cf\u90e8\u5206\u306e\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u306e\u8efd\u91cf\u5316\u3068\u3044\u3046\u306e\u306f\u3001\u5927\u304d\u304f2\u3064\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002(\u7121\u99c4\u306a\u30c1\u30e3\u30f3\u30af\u306e\u524a\u9664\u306a\u3069\u306f\u7701\u7565\u3057\u307e\u3059)<\/p>\n<ul>\n<li> RGB \u5f62\u5f0f\u304b\u3089 Indexed Colour \u5f62\u5f0f\u306b\u5909\u63db\u3059\u308b<\/li>\n<li> ZLIB \u306e\u5727\u7e2e\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b<\/li>\n<\/ul>\n<p><a href=\"http:\/\/labs.gree.jp\/blog\/2012\/11\/5373\/png_optimize_point\/\" rel=\"attachment wp-att-6168\"><img decoding=\"async\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/png_optimize_point.png\" alt=\"\" title=\"PNG\u306e\u6700\u9069\u5316\u30dd\u30a4\u30f3\u30c8\" width=\"100%\"  class=\"alignnone size-full wp-image-6168\" srcset=\"https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/png_optimize_point.png 804w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/png_optimize_point-208x200.png 208w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/png_optimize_point-416x400.png 416w\" sizes=\"(max-width: 804px) 100vw, 804px\" \/><\/a><\/p>\n<p>RGB \u5f62\u5f0f\u304b\u3089 Indexed Colour \u5f62\u5f0f\u3078\u306e\u5909\u63db\u3068 ZLIB \u5727\u7e2e\u306e\u90e8\u5206\u306f\u5225\u306e\u51e6\u7406\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u306e\uff12\u3064\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u4e8b\u3067 PNG \u306e\u8efd\u91cf\u5316\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_3\"> \u6e1b\u8272\u306b\u3088\u308b\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u524a\u6e1b<\/h3>\n<p>\u6e1b\u8272\u3068\u306f\u3001\u6587\u5b57\u901a\u308a\u8272\u3092\u6e1b\u3089\u3059\u3053\u3068\u3067\u3059\u3002<br \/>\nRGB \u5f62\u5f0f\u3067\u306f\u3001\u305d\u308c\u305e\u308c 8bit \u3067\u8868\u73fe\u3059\u308b\u3068 1 \u30d4\u30af\u30bb\u30eb\u3042\u305f\u308a 24bit \u5fc5\u8981\u3067\u3059\u300224bit \u3068\u3044\u3046\u3068\u30d4\u30f3\u3068\u3053\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c HTML \u3084 CSS \u306a\u3069\u3067\u6307\u5b9a\u3059\u308b #ffffff \u5f62\u5f0f\u306e\u8272\u6307\u5b9a\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092 Indexed Colour \u5f62\u5f0f\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u304c\u524a\u6e1b\u3055\u308c\u308b\u3053\u3068\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001\u753b\u50cf\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8272\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c6\u30fc\u30d6\u30eb\u306b\u3057\u307e\u3059\u3002<\/p>\n<table>\n<tr>\n<th>\u30d1\u30ec\u30c3\u30c8\u756a\u53f7<\/th>\n<th>Red<\/th>\n<th>Green<\/th>\n<th>Blue<\/th>\n<\/tr>\n<tr>\n<td>                   0<\/td>\n<td>     0<\/td>\n<td>        0<\/td>\n<td>      0<\/td>\n<\/tr>\n<tr>\n<td>                   1<\/td>\n<td> 127<\/td>\n<td>    127<\/td>\n<td>  127<\/td>\n<\/tr>\n<tr>\n<td>                   2<\/td>\n<td> 255<\/td>\n<td>    255<\/td>\n<td>  255<\/td>\n<\/tr>\n<tr>\n<td>                  ...<\/td>\n<td>    ...<\/td>\n<td>       ...<\/td>\n<td>     ...<\/td>\n<\/tr>\n<\/table>\n<p>\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u756a\u53f7\u306f 1 Byte \u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u30010-255 \u306e 256 \u500b\u3057\u304b\u767b\u9332\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u753b\u50cf\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8272\u304c 256 \u500b\u3088\u308a\u591a\u3044\u5834\u5408\u306f\u3001\u306a\u3093\u3068\u304b\u3057\u3066 256 \u500b\u306b\u3057\u306a\u304f\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<br \/>\n\u3053\u306e\u300c\u306a\u3093\u3068\u304b\u3057\u3066 256 \u8272\u306b\u3059\u308b\u300d\u3068\u3044\u3046\u306e\u304c\u6e1b\u8272\u51e6\u7406\u3067\u3001\u306a\u308b\u3079\u304f\u5143\u306e\u753b\u50cf\u304b\u3089\u306e\u5909\u5316\u3092\u5206\u304b\u3089\u306a\u3044\u3088\u3046\u306b\u3057\u306a\u304c\u3089\u8272\u3092\u6e1b\u3089\u3057\u3066\u3044\u304f\u305f\u3081\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u5b9f\u88c5\u3067\u3059\u3002\uff08\u3053\u306e\u8a18\u4e8b\u3067\u306f\u6e1b\u8272\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u306f\u7701\u7565\u3057\u307e\u3059\u3002\uff09<\/p>\n<p>\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u305f\u3089\u3001\u753b\u50cf\u306e\u305d\u308c\u305e\u308c\u306e\u30d4\u30af\u30bb\u30eb\u3092 RGB \u5f62\u5f0f\u304b\u3089\u30c6\u30fc\u30d6\u30eb\u306e\u4f55\u756a\u76ee\u306e\u8272\u3092\u4f7f\u3046\u304b\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/labs.gree.jp\/blog\/2012\/11\/5373\/declease_color\/\" rel=\"attachment wp-att-6140\"><img decoding=\"async\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/declease_color.png\" alt=\"RGB\u5f62\u5f0f\u304b\u3089IndexedColour\u5f62\u5f0f\u306b\u5909\u63db\u3057\u305f\u969b\u306e\u5727\u7e2e\u524d\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u306e\u6e1b\u5c11\" title=\"declease_color\" width=\"100%\" class=\"alignnone size-full wp-image-6140\" srcset=\"https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/declease_color.png 804w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/declease_color-212x200.png 212w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/declease_color-424x400.png 424w\" sizes=\"(max-width: 804px) 100vw, 804px\" \/><\/a><\/p>\n<p>\u4e0a\u56f3\u306e\u3088\u3046\u306b\u30011 \u30d4\u30af\u30bb\u30eb\u3042\u305f\u308a 24bit \u5fc5\u8981\u3060\u3063\u305f\u753b\u50cf\u304c 1 \u30d4\u30af\u30bb\u30eb\u3042\u305f\u308a 8bit \u306b\u306a\u3063\u305f\u306e\u3067\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u306f\u5927\u4f53 1\/3 \u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\uff08\u30d1\u30ec\u30c3\u30c8\u306e\u30c7\u30fc\u30bf\u306b\u6700\u5927 3 Byte * 256 = 768 Byte \u5fc5\u8981\u3068\u304b\u3001\u540c\u3058\u3088\u3046\u306b\u5727\u7e2e\u3055\u308c\u306a\u3044\u3068\u304b\u3001\u7d30\u304b\u3044\u90e8\u5206\u3092\u307f\u308b\u3068\u5b9f\u969b\u306b\u306f\u5358\u7d14\u306b1\/3\u306b\u306f\u306a\u308a\u307e\u305b\u3093\uff09<\/p>\n<h3 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_4\"> \u5727\u7e2e\u52b9\u7387\u6700\u9069\u5316<\/h3>\n<p>\u753b\u50cf\u3067\u306f\u3001\u5f62\u5f0f\u306b\u304b\u304b\u308f\u3089\u305a 1 \u30d4\u30af\u30bb\u30eb\u3054\u3068\u306b\u3069\u306e\u8272\u304b\u3068\u3044\u3046\u60c5\u5831\u3092\u3082\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u3092\u305d\u306e\u307e\u307e\u6271\u3046\u306e\u306f\u52b9\u7387\u304c\u3088\u304f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u305d\u3053\u3067\u3001PNG \u3067\u306f\u3088\u304f\u73fe\u308c\u308b\u30c7\u30fc\u30bf\u3092\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u5f93\u3063\u3066\u307e\u3068\u3081\u3066\u8868\u73fe\u3059\u308b\u3053\u3068\u3067\u30b5\u30a4\u30ba\u306e\u524a\u6e1b\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u300c\u30ea\u30f3\u30b4\u3001\u30ea\u30f3\u30b4\u3001\u30ea\u30f3\u30b4\u300d\u3068\u8a00\u3046\u3088\u308a\u3082\u300c\u30ea\u30f3\u30b4\uff13\u3064\u300d\u3068\u3044\u3063\u305f\u307b\u3046\u304c\u7c21\u6f54\u3067\u3059\u3002<br \/>\n\u3053\u308c\u306f\u5358\u7d14\u5316\u3057\u305f\u4f8b\u3067\u3059\u304c\u3001\u5727\u7e2e\u3068\u3044\u3046\u306e\u306f\u3053\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u304c\u504f\u3063\u3066\u3044\u305f\u5834\u5408\u306b\u307e\u3068\u3081\u308b\u51e6\u7406\u306e\u3053\u3068\u3092\u8a00\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u4f8b\n<ul>\n<li>\u300c\u30ea\u30f3\u30b4\u3001\u30d0\u30ca\u30ca\u3001\u30d1\u30a4\u30ca\u30c3\u30d7\u30eb\u3001\u30b0\u30ec\u30fc\u30d7\u30d5\u30eb\u30fc\u30c4\u3001\u30ad\u30a6\u30a4\u3001\u30d6\u30c9\u30a6\u300d\u2192\u305d\u306e\u307e\u307e<\/li>\n<li>\u300c\u30ea\u30f3\u30b4\u3001\u30ea\u30f3\u30b4\u3001\u30ea\u30f3\u30b4\u3001\u30d0\u30ca\u30ca\u3001\u30d0\u30ca\u30ca\u3001\u30d0\u30ca\u30ca\u2192\u300c\u30ea\u30f3\u30b4\uff13\u3064\u3001\u30d0\u30ca\u30ca\uff13\u3064\u300d<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>PNG \u306b\u306f\u884c\u3054\u3068\u306b\u30d5\u30a3\u30eb\u30bf\u3068\u3044\u3046\u30c7\u30fc\u30bf\u3092\u504f\u3089\u305b\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u524d\u306e\u30c7\u30fc\u30bf\u3068\u6bd4\u3079\u3066\u5dee\u3084\u5e73\u5747\u306a\u3069\u3092\u53d6\u3063\u3066\u30c7\u30fc\u30bf\u3092\u504f\u3089\u305b\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<br \/>\n\u305f\u3060\u3057\u3001Indexed Colour \u5f62\u5f0f\u306e\u3068\u304d\u306f\u30d5\u30a3\u30eb\u30bf\u3067\u306f\u4f55\u3082\u3057\u306a\u3044\u65b9\u304c\u5727\u7e2e\u52b9\u7387\u304c\u3088\u304f\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n<h4 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_5\"> PNG \u306e\u5727\u7e2e\u5f62\u5f0f<\/h4>\n<p>PNG \u3067\u306f\u5727\u7e2e\u5f62\u5f0f\u3068\u3057\u3066 ZLIB \u3068\u3044\u3046\u3082\u306e\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002ZLIB \u3067\u306f\u5727\u7e2e\u51e6\u7406\u306b Deflate \u3068\u3044\u3046 LZSS \u3068\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u3068\u3044\u30462\u3064\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5206\u304b\u308a\u306b\u304f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9f\u969b\u306b\u5727\u7e2e\u3059\u308b\u51e6\u7406\u304c Deflate \u3067\u305d\u308c\u306b\u88dc\u52a9\u30c7\u30fc\u30bf\u3092\u3064\u3051\u3066\u30b3\u30f3\u30c6\u30ca\u5316\u3057\u3066\u3044\u308b\u306e\u304c ZLIB \u3067\u3059\u3002<\/p>\n<p><a href=\"http:\/\/labs.gree.jp\/blog\/2012\/11\/5373\/zlib%e3%82%b3%e3%83%b3%e3%83%86%e3%83%8a\/\" rel=\"attachment wp-att-6178\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/ZLIB\u30b3\u30f3\u30c6\u30ca.png\" alt=\"\" title=\"ZLIB\u30b3\u30f3\u30c6\u30ca\" width=\"338\" height=\"76\" class=\"alignnone size-full wp-image-6178\" srcset=\"https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/ZLIB\u30b3\u30f3\u30c6\u30ca.png 338w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/10\/ZLIB\u30b3\u30f3\u30c6\u30ca-276x62.png 276w\" sizes=\"auto, (max-width: 338px) 100vw, 338px\" \/><\/a><\/p>\n<p>\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h5 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_6\"> LZSS<\/h5>\n<p>\u7e70\u308a\u8fd4\u3057\u73fe\u308c\u308b\u30c7\u30fc\u30bf\u3092\u300c\u4f55\u6587\u5b57\u3082\u3069\u3063\u3066\u4f55\u6587\u5b57\u30b3\u30d4\u30fc\u3059\u308b\u304b\u300d\u3067\u8868\u73fe\u3059\u308b\u30b3\u30d4\u30fc\uff06\u30da\u30fc\u30b9\u30c8\u306b\u3088\u308b\u5727\u7e2e\u3067\u3059\u3002<br \/>\n\u305f\u3068\u3048\u3070\u3001\u300c\u304b\u3048\u308b\u3074\u3087\u3053\u3074\u3087\u3053\u307f\u3074\u3087\u3053\u3074\u3087\u3053\u300d\u3068\u3044\u3046\u30c7\u30fc\u30bf\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306e\u300c\u3074\u3087\u3053\u3074\u3087\u3053\u300d\u306f\u300c\u3074\u3087\u3053\u300d\u304c\u91cd\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u300c\u3074\u3087\u3053[3\u6587\u5b57\u623b\u3063\u3066,3\u6587\u5b57\u30b3\u30d4\u30fc]\u300d\u3068\u3044\u3046\u5f62\u3067\u8868\u3057\u307e\u3059\u3002\uff08\u4ee5\u5f8c [3,3] \u306e\u3088\u3046\u306b\u8868\u8a18\uff09<br \/>\n\u540c\u69d8\u306b\u3001\u5f8c\u306e\u300c\u3074\u3087\u3053\u3074\u3087\u3053\u300d\u306b\u3064\u3044\u3066\u3082 [7,6] \u3068\u306a\u308b\u306e\u3067\u3001\u3053\u306e\u4f8b\u3067\u306f\u300c\u304b\u3048\u308b\u3074\u3087\u3053[3,3]\u307f[7,6]\u300d\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3067\u306f\u6587\u5b57\u5358\u4f4d\u3067\u306f\u306a\u304f\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u884c\u3046\u306e\u3067\u3059\u304c\u3001\u305d\u306e\u5834\u5408 [3,3] \u3068\u304b [7,6] \u3092\u3069\u3046\u3084\u3063\u3066\u8868\u73fe\u3059\u308b\u304b\u304c\u554f\u984c\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u306a\u305c\u554f\u984c\u304b\u3068\u3044\u3046\u3068\u30010-255 \u3057\u304b\u5165\u3089\u306a\u3044\u3068\u3053\u308d\u306b\u65b0\u3057\u304f LZSS \u306e\u7b26\u53f7\u3092\u65b0\u3057\u304f\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001\u5358\u7d14\u306b\u8003\u3048\u305f\u5834\u5408\u30011\u30d0\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u306b\u5fc5\u8981\u306a\u60c5\u5831\u91cf\u30928\u30d3\u30c3\u30c8\u304b\u3089\u5897\u3084\u3057\u3066\u66f8\u304b\u306a\u304f\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3053\u3067 LZSS \u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u3001\u3053\u308c\u304b\u3089\u8aac\u660e\u3059\u308b\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u52b9\u7387\u3088\u304f\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_7\"> \u30cf\u30d5\u30de\u30f3\u7b26\u53f7<\/h5>\n<p>\u983b\u7e41\u306b\u51fa\u73fe\u3059\u308b\u6587\u5b57\u306f\u77ed\u304f\u8868\u8a18\u3057\u3066\u3001\u3042\u307e\u308a\u3067\u306a\u3044\u6587\u5b57\u306f\u9577\u304f\u8868\u8a18\u3053\u3068\u3067\u5c0f\u3055\u304f\u3057\u3088\u3046\u3068\u3044\u3046\u5727\u7e2e\u3067\u3059\u3002<br \/>\n\u3053\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u30c7\u30fc\u30bf\u3092\u30d3\u30c3\u30c8\u5358\u4f4d\u3067\u6271\u3046\u305f\u3081\u3001\u5c11\u3057\u5206\u304b\u308a\u306b\u304f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u300c\u3042\u304b\u307e\u304d\u304c\u307f\u3042\u304a\u307e\u304d\u304c\u307f\u304d\u307e\u304d\u304c\u307f\u300d\u3068\u3044\u3046\u30c7\u30fc\u30bf\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\u3002\u6587\u5b57\u306e\u51fa\u73fe\u983b\u5ea6\u3092\u307f\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li> \u304d: 4<\/li>\n<li> \u307e: 3<\/li>\n<li> \u304c: 3<\/li>\n<li> \u307f: 3<\/li>\n<li> \u3042: 2<\/li>\n<li> \u304b: 1<\/li>\n<li> \u304a: 1<\/li>\n<\/ul>\n<p>\u3053\u308c\u306b\u3001\u51fa\u73fe\u983b\u5ea6\u306e\u591a\u3044\u9806\u306b\u7b26\u53f7\u3092\u5272\u308a\u5f53\u3066\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/labs.gree.jp\/blog\/2012\/11\/5373\/canonical_huffman_code-3\/\" rel=\"attachment wp-att-6330\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/canonical_huffman_code2.png\" alt=\"\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u306e\u7b26\u53f7\u5272\u308a\u5f53\u3066\" title=\"canonical_huffman_code\" width=\"536\" height=\"678\" class=\"alignnone size-full wp-image-6330\" srcset=\"https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/canonical_huffman_code2.png 536w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/canonical_huffman_code2-158x200.png 158w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/canonical_huffman_code2-316x400.png 316w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/><\/a><\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5272\u308a\u5f53\u3066\u8868\u304c\u51fa\u6765\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u5727\u7e2e\u30c7\u30fc\u30bf\u3068\u306f\u5225\u306b\u6dfb\u4ed8\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li> \u304d: 00<\/li>\n<li> \u307e: 01<\/li>\n<li> \u304c: 100<\/li>\n<li> \u307f: 101<\/li>\n<li> \u3042: 110<\/li>\n<li> \u304b: 1110<\/li>\n<li> \u304a: 1111<\/li>\n<\/ul>\n<p>\u3053\u306e\u4f8b\u3067\u306f7\u6587\u5b57\u3057\u304b\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u5143\u306e\u30c7\u30fc\u30bf\u3092 3bit \u3067\u8868\u3057\u3066\u3044\u305f\u3068\u3059\u308b\u3068\u7b26\u53f7\u5316\u524d\u306e\u30c7\u30fc\u30bf\u306f 51 bit \u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u305d\u308c\u306b\u5bfe\u3057\u3001\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u3067\u306f 46bit \u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306a\u504f\u308a\u304c\u3042\u307e\u308a\u306a\u304f\u5c0f\u3055\u306a\u30c7\u30fc\u30bf\u3067\u306f\u5206\u304b\u308a\u306b\u304f\u3044\u3067\u3059\u304c\u3001\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3067\u306f\u3082\u3063\u3068\u504f\u308a\u304c\u5927\u304d\u304f\u3001\u5143\u306e\u30c7\u30fc\u30bf\u3082\u5927\u304d\u3044\u306e\u3067\u52b9\u679c\u7684\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u3067\u306f\u4e0a\u8a18\u306e\u3088\u3046\u306b\u6587\u5b57\u3060\u3051\u3067\u306a\u304f\u3001LZSS \u306e\u7b26\u53f7\u306a\u3069\u306b\u5bfe\u3057\u3066\u3082\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306b\u3088\u308a\u3001LZSS \u3067\u7b26\u53f7\u5316\u3057\u305f\u30c7\u30fc\u30bf\u3082\u52b9\u7387\u3088\u304f\u6271\u3046\u4e8b\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_8\"> \u30d6\u30ed\u30c3\u30af\u5206\u5272<\/h4>\n<p>Deflate \u3067\u306f\u30d6\u30ed\u30c3\u30af\u3068\u3044\u3046\u5358\u4f4d\u3067\u5727\u7e2e\u3059\u308b\u7bc4\u56f2\u3092\u5206\u5272\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff08\u30d6\u30ed\u30c3\u30af\u306e\u5927\u304d\u3055\u306f\u81ea\u7531\uff09<br \/>\n\u3053\u308c\u3092\u3046\u307e\u304f\u4f7f\u3046\u4e8b\u3067\u3001\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u306b\u3088\u308b\u5727\u7e2e\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_9\"> \u6700\u9069\u5316<\/h4>\n<p>\u3053\u3053\u307e\u3067\u3001\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8aac\u660e\u3092\u3057\u307e\u3057\u305f\u304c\u3001\u4e00\u3064\u6ce8\u610f\u3057\u3066\u304a\u3044\u3066\u6b32\u3057\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u308c\u306f\u300c\u3053\u3046\u3059\u308c\u3070\u304b\u306a\u3089\u305a\u6700\u9ad8\u306e\u5727\u7e2e\u52b9\u7387\u306b\u306a\u308b\u300d\u3068\u3044\u3046\u6c7a\u307e\u3063\u305f\u65b9\u6cd5\u304c\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br \/>\n\u4f8b\u3048\u3070\u3001LZSS \u3067\u3088\u308a\u9577\u3044\u30b3\u30d4\u30fc\u3092\u3059\u308b\u3088\u308a\u3082\u3001\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u3067\u52b9\u7387\u304c\u3088\u304f\u306a\u308b\u3088\u3046\u306b\u9078\u629e\u3057\u305f\u65b9\u304c\u826f\u3044\u30b1\u30fc\u30b9\u306a\u3069\u3001\u72b6\u6cc1\u306b\u3088\u3063\u3066\u6700\u5584\u306e\u9078\u629e\u3068\u3044\u3046\u306e\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u6c7a\u307e\u3063\u305f\u65b9\u6cd5\u304c\u306a\u3044\u306e\u3067\u69d8\u3005\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u8a66\u884c\u3057\u3001\u3088\u308a\u52b9\u7387\u7684\u306b\u5727\u7e2e\u3067\u304d\u305f\u3082\u306e\u3092\u63a1\u7528\u3059\u308b\u306e\u304c\u6700\u9069\u5316\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\nPNG \u306e\u6700\u9069\u5316\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u306f\u8907\u96d1\u306a\u7d44\u307f\u5408\u308f\u305b\u3092\u7db2\u7f85\u7684\u306b\u8a66\u884c\u3057\u3001\u4e00\u756a\u5c0f\u3055\u304f\u306a\u308b\u3082\u306e\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u5404\u884c\u306e\u30d5\u30a3\u30eb\u30bf\u306e\u7d44\u307f\u5408\u308f\u305b\u3084\u30d1\u30ec\u30c3\u30c8\u306e\u9806\u756a\u3092\u5909\u3048\u3066\u3001\u5727\u7e2e\u524d\u306e\u30c7\u30fc\u30bf\u306e\u30d1\u30bf\u30fc\u30f3\u3082\u5909\u5316\u3055\u305b\u3066\u8a66\u884c\u3057\u3066\u3044\u308b\u3082\u306e\u3082\u3042\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\u5f53\u7136\u3067\u3059\u304c\u3001\u3069\u3093\u306a\u306b\u5727\u7e2e\u52b9\u7387\u3092\u3042\u3052\u3066\u3082\u5c55\u958b\u3055\u308c\u305f\u969b\u306e\u30c7\u30fc\u30bf\u306f\u307e\u3063\u305f\u304f\u540c\u3058\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<h4 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_10\"> \u5727\u7e2e\u6700\u9069\u5316\u306e\u4f8b<\/h4>\n<p>OPTPiX \u3067\u30d1\u30ec\u30c3\u30c8\u5f62\u5f0f\u306b\u3057\u305f\u753b\u50cf\u3092 PNGGauntlet \u3067\u5727\u7e2e\u6700\u9069\u5316\u3057\u305f\u969b\u306e\u5909\u5316\u3092\u4f8b\u306b\u6319\u3052\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u51e6\u7406\u3057\u305f\u3042\u3068\u306e Deflate \u30d6\u30ed\u30c3\u30af\u306e\u5727\u7e2e\u7387\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_11\"> OPTPiX \u3067\u6e1b\u8272\u3057\u305f\u7d75\u6587\u5b57\u30b9\u30d7\u30e9\u30a4\u30c8<\/h5>\n<p><a href=\"http:\/\/labs.gree.jp\/blog\/2012\/11\/5373\/huffman_block-div2\/\" rel=\"attachment wp-att-6296\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/huffman_block-div2.png\" alt=\"\" title=\"huffman_block-div2\" width=\"453\" height=\"146\" class=\"alignnone size-full wp-image-6296\" srcset=\"https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/huffman_block-div2.png 453w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/huffman_block-div2-276x88.png 276w\" sizes=\"auto, (max-width: 453px) 100vw, 453px\" \/><\/a><\/p>\n<table>\n<tr>\n<th>\u30d6\u30ed\u30c3\u30af\u756a\u53f7<\/th>\n<th>\u5c55\u958b\u5f8c\u306e\u30b5\u30a4\u30ba<\/th>\n<th>\u5727\u7e2e\u6642\u306e\u30b5\u30a4\u30ba <\/th>\n<th>\u5727\u7e2e\u7387<\/th>\n<\/tr>\n<tr>\n<td> 0        <\/td>\n<td> 137994 <\/td>\n<td> 26097           <\/td>\n<td> 18.91 %<\/td>\n<\/tr>\n<tr>\n<td> 1        <\/td>\n<td> 53336   <\/td>\n<td> 8346            <\/td>\n<td> 15.65 %<\/td>\n<\/tr>\n<tr>\n<td> Total  <\/td>\n<td> 191330 <\/td>\n<td> 34443          <\/td>\n<td> 18 % <\/td>\n<\/tr>\n<\/table>\n<h5 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_12\"> OPTPiX \u3067\u6e1b\u8272+PNGGauntlet \u3067\u518d\u5727\u7e2e\u3057\u305f\u7d75\u6587\u5b57\u30b9\u30d7\u30e9\u30a4\u30c8<\/h5>\n<p><a href=\"http:\/\/labs.gree.jp\/blog\/2012\/11\/5373\/huffman_block-div19\/\" rel=\"attachment wp-att-6297\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/huffman_block-div19.png\" alt=\"\" title=\"huffman_block-div19\" width=\"472\" height=\"146\" class=\"alignnone size-full wp-image-6297\" srcset=\"https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/huffman_block-div19.png 472w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2012\/11\/huffman_block-div19-276x85.png 276w\" sizes=\"auto, (max-width: 472px) 100vw, 472px\" \/><\/a><\/p>\n<table>\n<tr>\n<th>\u30d6\u30ed\u30c3\u30af\u756a\u53f7<\/th>\n<th>\u5c55\u958b\u5f8c\u306e\u30b5\u30a4\u30ba<\/th>\n<th>\u5727\u7e2e\u6642\u306e\u30b5\u30a4\u30ba <\/th>\n<th>\u5727\u7e2e\u7387<\/th>\n<\/tr>\n<tr>\n<td>0\t <\/td>\n<td>6874\t<\/td>\n<td>1232\t<\/td>\n<td>17.92 % <\/td>\n<\/tr>\n<tr>\n<td>1\t<\/td>\n<td>5124\t<\/td>\n<td>1020\t<\/td>\n<td>19.91 % <\/td>\n<\/tr>\n<tr>\n<td>2\t<\/td>\n<td>5136\t<\/td>\n<td> 990\t<\/td>\n<td>19.28 % <\/td>\n<\/tr>\n<tr>\n<td>3\t<\/td>\n<td>6586\t<\/td>\n<td>1251\t<\/td>\n<td>18.99 % <\/td>\n<\/tr>\n<tr>\n<td>4\t<\/td>\n<td>8570\t<\/td>\n<td>1664\t<\/td>\n<td>19.42 % <\/td>\n<\/tr>\n<tr>\n<td>5\t<\/td>\n<td>17301\t<\/td>\n<td>3158\t<\/td>\n<td>18.25 % <\/td>\n<\/tr>\n<tr>\n<td>6\t<\/td>\n<td>4936\t<\/td>\n<td>1158\t<\/td>\n<td>23.46 % <\/td>\n<\/tr>\n<tr>\n<td>7\t<\/td>\n<td>15310\t<\/td>\n<td>2795\t<\/td>\n<td>18.26 % <\/td>\n<\/tr>\n<tr>\n<td>8\t<\/td>\n<td>5210\t<\/td>\n<td> 986\t<\/td>\n<td>18.93 % <\/td>\n<\/tr>\n<tr>\n<td>9\t<\/td>\n<td>17072\t<\/td>\n<td>2743\t<\/td>\n<td>16.07 % <\/td>\n<\/tr>\n<tr>\n<td>10\t<\/td>\n<td>12219\t<\/td>\n<td>1741\t<\/td>\n<td>14.25 % <\/td>\n<\/tr>\n<tr>\n<td>11\t<\/td>\n<td>19031\t<\/td>\n<td>2208\t<\/td>\n<td>11.6 % <\/td>\n<\/tr>\n<tr>\n<td>12\t<\/td>\n<td>8084\t<\/td>\n<td>1399\t<\/td>\n<td>17.31 % <\/td>\n<\/tr>\n<tr>\n<td>13\t<\/td>\n<td>7063\t<\/td>\n<td>1035\t<\/td>\n<td>14.65 % <\/td>\n<\/tr>\n<tr>\n<td>14\t<\/td>\n<td>3193\t<\/td>\n<td> 598\t<\/td>\n<td>18.73 % <\/td>\n<\/tr>\n<tr>\n<td>15\t<\/td>\n<td>8800\t<\/td>\n<td>1396\t<\/td>\n<td>15.86 % <\/td>\n<\/tr>\n<tr>\n<td>16\t<\/td>\n<td>16827\t<\/td>\n<td>2146\t<\/td>\n<td>12.75 % <\/td>\n<\/tr>\n<tr>\n<td>17\t<\/td>\n<td>15412\t<\/td>\n<td>2109\t<\/td>\n<td>13.68 % <\/td>\n<\/tr>\n<tr>\n<td>18\t<\/td>\n<td>8582\t<\/td>\n<td>1133\t<\/td>\n<td>13.2 % <\/td>\n<\/tr>\n<tr>\n<td>Total <\/td>\n<td>191330\t<\/td>\n<td>30762\t<\/td>\n<td>16.08 % <\/td>\n<\/tr>\n<\/table>\n<p>\u5727\u7e2e\u7d50\u679c\u306e\u5408\u8a08\u3092\u307f\u308b\u3068\u300134,443 Byte \u3068 30,762 Byte \u306b\u306a\u308a\u5927\u304d\u304f\u7570\u306a\u308b\u7d50\u679c\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u4f8b\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u5727\u7e2e\u7387\u306e\u60c5\u5831\u3082\u542b\u3081\u3001PNG\u306b\u95a2\u3059\u308b\u30d1\u30ec\u30c3\u30c8\u3084\u30d5\u30a3\u30eb\u30bf\u3001\u5727\u7e2e\u306a\u3069\u306e\u60c5\u5831\u306f\u62d9\u4f5c\u306e <a href=\"http:\/\/imaya.github.com\/png.identify\/\">png identify<\/a> \u3092\u4f7f\u3046\u3068\u8272\u3005\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4 id=\"hs_27aeeccee2161ae30c734dfd05226457_header_13\"> \u307e\u3068\u3081<\/h4>\n<p>\u3053\u3053\u307e\u3067\u9577\u3005\u3068\u3044\u308d\u3044\u308d\u3068\u8aac\u660e\u3057\u3066\u6765\u307e\u3057\u305f\u304c\u3001\u7c21\u5358\u306b\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u6e1b\u8272\n<ul>\n<li>\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u3092\u3001\u898b\u305f\u76ee\u306e\u9055\u3044\u304c\u5206\u304b\u308a\u306b\u304f\u3044\u3088\u3046\u306b\u9593\u5f15\u3044\u3066\u6e1b\u3089\u3059\u3053\u3068<\/li>\n<li>Indexed Colour \u5f62\u5f0f\u306b\u5909\u63db\u3067\u304d\u308b\u306e\u3067\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u308b<\/li>\n<li><strong>\u8272\u3092\u6e1b\u3089\u3057\u3066\u3044\u308b\u306e\u3067\u5f53\u7136\u52a3\u5316\u3059\u308b<\/strong>\u3002\u52a3\u5316\u5177\u5408\u3092\u3088\u304f\u691c\u8a3c\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<li>\u5727\u7e2e\n<ul>\n<li>\u30c7\u30fc\u30bf\u306e\u8868\u73fe\u65b9\u6cd5\u3092\u5909\u3048\u308b\u3053\u3068\u3067\u77ed\u304f\u3059\u308b\u3053\u3068<\/li>\n<li>\u5c55\u958b\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306f\u5909\u308f\u3089\u306a\u3044\u306e\u3067\u3001\u5727\u7e2e\u52b9\u7387\u6700\u9069\u5316\u3067\u304d\u308b\u306a\u3089\u7a4d\u6975\u7684\u306b\u884c\u3046\u3079\u304d<\/li>\n<li>\u5727\u7e2e\u52b9\u7387\u6700\u9069\u5316\u306f\u51e6\u7406\u304c\u3068\u3066\u3082\u91cd\u3044\u306e\u3067\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u306f\u3084\u3089\u306a\u3044\u65b9\u304c\u826f\u3044<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u3053\u306e\u8a18\u4e8b\u304c\u4f55\u304b\u306e\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u307e\u3057\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u57fa\u76e4\u306e\u3044\u307e\u3084\u3067\u3059\u3002 \u306f\u3058\u3081\u306b PNG \u753b\u50cf\u3092\u8efd\u91cf\u5316\u3059\u308b\u8a71\u984c\u306b\u306a\u308b\u3068\u300c\u6e1b\u8272\u300d\u3068\u300c\u53ef\u9006\u5727\u7e2e\u300d\uff08\u4ee5\u4e0b\u3001\u5358\u306b\u5727\u7e2e\u3068\u8868\u8a18\uff09\u3092\u6df7\u540c\u3057\u3066\u3044\u308b\u4f8b\u3092\u3088\u304f\u898b\u304b\u3051\u307e\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u5727\u7e2e\u3068\u6e1b\u8272\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8aac\u660e\u3057\u3001P [&hellip;]<\/p>\n","protected":false},"author":35,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[23,27],"class_list":["post-5373","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-image","tag-png"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/5373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/users\/35"}],"replies":[{"embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/comments?post=5373"}],"version-history":[{"count":3,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/5373\/revisions"}],"predecessor-version":[{"id":6350,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/5373\/revisions\/6350"}],"wp:attachment":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/media?parent=5373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/categories?post=5373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/tags?post=5373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}