{"id":29824,"date":"2024-08-18T07:59:39","date_gmt":"2024-08-18T07:59:39","guid":{"rendered":"https:\/\/science-hub.click\/%E3%82%A8%E3%83%B3%E3%83%88%E3%83%AD%E3%83%94%E3%83%BC%E3%82%B3%E3%83%BC%E3%83%87%E3%82%A3%E3%83%B3%E3%82%B0%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC\/"},"modified":"2024-08-18T07:59:39","modified_gmt":"2024-08-18T07:59:39","slug":"%E3%82%A8%E3%83%B3%E3%83%88%E3%83%AD%E3%83%94%E3%83%BC%E3%82%B3%E3%83%BC%E3%83%87%E3%82%A3%E3%83%B3%E3%82%B0%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC","status":"publish","type":"post","link":"https:\/\/science-hub.click\/?p=29824","title":{"rendered":"\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac"},"content":{"rendered":"

\u5c0e\u5165<\/h2>

\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u7b26\u53f7\u5316<\/b>(\u307e\u305f\u306f\u53ef\u5909\u9577\u7d71\u8a08\u7b26\u53f7\u5316<\/b>) \u306f\u3001\u53ef\u9006\u30bd\u30fc\u30b9\u7b26\u53f7\u5316\u65b9\u5f0f\u3067\u3042\u308a\u3001\u305d\u306e\u76ee\u7684\u306f\u3001\u5727\u7e2e\u304a\u3088\u3073\/\u307e\u305f\u306f\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb<\/a><\/span>\u3067\u306e\u9001\u4fe1\u306e\u305f\u3081\u306b\u30c7\u30fc\u30bf \u30bd\u30fc\u30b9\u306e\u8868\u73fe\u3092\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u7b26\u53f7\u5316<\/a><\/span>\u306e\u4e3b\u306a\u7a2e\u985e\u306f\u3001\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u5316<\/span>\u3068\u7b97\u8853\u7b26\u53f7\u5316<\/span>\u3067\u3059\u3002<\/p>

\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306f<\/a><\/span>\u30bd\u30fc\u30b9\u7d71\u8a08\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30fc\u30c9\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30bd\u30fc\u30b9\u306e\u4e00\u90e8\u3092\u30b3\u30fc\u30c9\u30ef\u30fc\u30c9\u306b\u95a2\u9023\u4ed8\u3051\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u30b3\u30fc\u30c9\u30ef\u30fc\u30c9\u306e\u9577\u3055\u306f<\/a><\/span>\u30bd\u30fc\u30b9\u306e\u7d71\u8a08\u7684\u7279\u6027\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u4e00\u822c\u7684\u306b\u306f\u3001\u6700\u3082\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u30bd\u30fc\u30b9 \u30b7\u30f3\u30dc\u30eb\u306b\u6700\u3082\u77ed\u3044\u30b3\u30fc\u30c9 \u30ef\u30fc\u30c9\u3092\u5272\u308a\u5f53\u3066\u308b\u53ef\u5909\u9577<\/a><\/span>\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306f\u60c5\u5831\u7406\u8ad6<\/a><\/span>\u306b\u7531\u6765\u3057\u3001\u3053\u308c\u3089\u306e\u30b3\u30fc\u30c9\u3068\u305d\u306e\u7279\u6027\u3092\u6271\u3044\u307e\u3059\u3002\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u308b\u60c5\u5831\u306f\u3001\u6709\u9650\u30b5\u30a4\u30ba\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8<\/i>\u306e\u5024\u3092\u6301\u3064\u78ba\u7387\u5909\u6570<\/a><\/span>\u306b\u3088\u3063\u3066\u8868\u3055\u308c\u307e\u3059\u3002\u91cd\u8981\u306a\u7d50\u679c\u306f\u3001\u5727\u7e2e\u306e\u53ef\u80fd\u6027\u306b\u5bfe\u3059\u308b\u9650\u754c\u3092\u78ba\u7acb\u3057\u3001\u3053\u306e\u9650\u754c\u3092\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc<\/a><\/span>\u3068\u3057\u3066\u78ba\u7acb\u3059\u308b\u30bd\u30fc\u30b9\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u5b9a\u7406<\/span>\u3067\u3059\u3002<\/p>

\u6b74\u53f2\u7684\u306b 1940 \u5e74\u4ee3\u304b\u3089 1950 \u5e74\u4ee3\u306b\u60c5\u5831\u7406\u8ad6\u3068\u3068\u3082\u306b\u958b\u767a\u3055\u308c\u305f\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306f\u3001\u30c7\u30fc\u30bf\u5727\u7e2e<\/a><\/span>\u306e\u57fa\u672c\u7684\u306a<\/span>\u6280\u8853\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u5727\u7e2e\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u753b\u50cf\u5727\u7e2e\u3001\u304a\u3088\u3073\u30d3\u30c7\u30aa\u5727\u7e2e<\/a><\/span>\u6a19\u6e96\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>

\n\"\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\"<\/figure>

\u5b9a\u7fa9<\/h2>

\u96e2\u6563\u30bd\u30fc\u30b9\u3001\u3064\u307e\u308a\u6709\u9650\u96e2\u6563\u30bb\u30c3\u30c8<\/a><\/span>\u304b\u3089\u30b7\u30f3\u30dc\u30eb\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u63d0\u4f9b\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u3092\u8003\u3048\u307e\u3059\u3002\u30bd\u30fc\u30b9\u306b\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u3001\u753b\u50cf\u3001\u307e\u305f\u306f\u3088\u308a\u4e00\u822c\u7684\u306b\u306f\u4efb\u610f\u306e<\/a><\/span>\u30c7\u30b8\u30bf\u30eb<\/span>\u4fe1\u53f7<\/a><\/span>\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30bd\u30fc\u30b9\u306f\u3001\u6709\u9650\u30b5\u30a4\u30ba\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u306e\u5024\u3092\u6301\u3064\u4e00\u9023\u306e\u78ba\u7387\u5909\u6570\u306b\u3088\u3063\u3066\u30e2\u30c7\u30eb\u5316\u3055\u308c\u307e\u3059\u3002

$$ {\\Omega=\\{x_0, \\ldots,x_N\\}} $$<\/div> \u3002 \u03a9 \u306f<\/span>\u30bd\u30fc\u30b9 \u30b7\u30f3\u30dc\u30eb\u306e\u30bb\u30c3\u30c8\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>

\u5b9a\u7fa9<\/a><\/span><\/strong>\u2014<\/span>\u30bd\u30fc\u30b9\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u305f\u30b7\u30f3\u30dc\u30eb\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u304c\u4e00\u9023\u306e\u72ec\u7acb\u3057\u305f\u540c\u4e00\u5206\u5e03\u5909\u6570\u3067\u3042\u308b\u5834\u5408\u3001\u30bd\u30fc\u30b9\u306f\u30e1\u30e2\u30ea\u30ec\u30b9\u3067\u3042\u308b<\/b>\u3068\u8a00\u308f\u308c\u307e\u3059\u3002<\/p><\/div>

\u5b9a\u7fa9<\/strong>\u2014<\/span>\u78ba\u7387<\/i><\/span>\u5909\u6570<\/i><\/span>\u306e<\/a><\/span>\u30bd\u30fc\u30b9<\/b>\u30b3\u30fc\u30c9<\/i><\/span>C<\/span><\/p><\/div>

D \u9032\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8A<\/i><\/span>\u306e\u8a18\u53f7\u5217\u306e\u30bb\u30c3\u30c8\u306fA<\/i> + \u3068<\/sup><\/span>\u8868\u3055\u308c\u307e\u3059\u3002\u4e00\u822c\u306b\u3001\u3053\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u306f 2 \u9032\u6570\u3067\u3042\u308a\u3001 D<\/i> = 2<\/span> \u3001 A<\/i> = {0,1}<\/span>\u3068\u306a\u308a\u307e\u3059\u3002 +<\/i>\u306f<\/sup><\/span>0 \u3068 1 \u3067\u69cb\u6210\u3055\u308c\u308b\u6709\u9650\u30b5\u30a4\u30ba\u306e\u6587\u5b57\u5217\u306e\u30bb\u30c3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002

$$ {A^+=\\{0, 1, 00, 01, 10, 11, 000, \\ldots\\}} $$<\/div> \u3002\u30b3\u30fc\u30c9\u306f\u3001\u30bd\u30fc\u30b9 \u30b7\u30f3\u30dc\u30ebx<\/i><\/span>\u3092\u30b3\u30fc\u30c9 \u30ef\u30fc\u30c9C<\/i> ( x<\/i> )<\/span>\u306b\u95a2\u9023\u4ed8\u3051\u307e\u3059\u3002\u3053\u306e\u30b3\u30fc\u30c9\u30ef\u30fc\u30c9\u306f\u53ef\u5909\u9577l<\/i> ( x<\/i> )<\/span>\u3067\u3042\u308a\u3001\u9577\u3055\u306f\u305d\u306e\u30d3\u30c3\u30c8\u6570<\/a><\/span>\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u53ef\u5909\u9577\u30b3\u30fc\u30c9<\/b>\u3068\u3044\u3044\u307e\u3059\u3002<\/p>

\u30b3\u30fc\u30c9C<\/i><\/span>\u306e\u4e88\u60f3\u3055\u308c\u308b\u9577\u3055 (\u307e\u305f\u306f X \u306e\u78ba\u7387\u6cd5\u5247<\/a><\/span>\u306b\u5f93\u3063\u305f\u5e73\u5747<\/a><\/span>\u9577) \u306f\u3001\u6b21\u306e\u5f0f\u3067\u4e0e\u3048\u3089\u308c\u307e\u3059<\/a><\/span>\u3002 <\/p>

$$ {L(C)=\\sum_{x \\in \\Omega}p(x) \\cdot l(x)} $$<\/div> \u3002<\/dd><\/dl>

L<\/i> ( C<\/i> ) \u306f<\/span>\u3001\u7b26\u53f7\u5316\u7387\u3001\u3064\u307e\u308a\u30bd\u30fc\u30b9 \u30b7\u30f3\u30dc\u30eb\u3054\u3068\u306b\u7b26\u53f7\u5316\u3055\u308c\u308b\u5e73\u5747\u30d3\u30c3\u30c8\u6570\u3068\u307f\u306a\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>

\u5b9a\u7fa9<\/strong>\u2014<\/span> C<\/i><\/span>\u30b3\u30fc\u30c9\u306eC<\/i> +<\/sup><\/span>\u62e1\u5f35\u306f<\/b>\u3001 A<\/i> +<\/sup><\/span>\u306e\u03a9 +<\/sup><\/span>\u3092\u9069\u7528\u3057\u305f\u3082\u306e\u3067\u3001\u30bd\u30fc\u30b9 \u30b7\u30f3\u30dc\u30eb\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u305d\u306e\u30b3\u30fc\u30c9\u30ef\u30fc\u30c9\u306e\u9023\u7d50<\/a><\/span>\u306b\u95a2\u9023\u4ed8\u3051\u307e\u3059\u3002 <\/p>

$$ {C^+(x_0 x_1 \\ldots x_N)=C(x_0)C(x_1) \\ldots C(x_N)} $$<\/div> \u3002<\/dd><\/dl><\/div>

\u3053\u306e\u5b9a\u7fa9\u306f\u3001\u975e\u52b9\u7387\u3068\u306a\u308b\u5206\u96e2<\/a><\/span>\u30b7\u30f3\u30dc\u30eb\u3067\u533a\u5207\u3089\u308c\u305f\u5b64\u7acb\u3057\u305f\u30b7\u30f3\u30dc\u30eb\u3067\u306f\u306a\u304f\u3001\u30b7\u30f3\u30dc\u30eb\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u9001\u4fe1\u3059\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u306b\u3088\u3063\u3066\u52d5\u6a5f\u3065\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>

\n\"\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\"<\/figure>

\u30af\u30e9\u30d5\u30c8\u4e0d\u7b49\u5f0f<\/h2>

\u30af\u30e9\u30d5\u30c8\u306e\u4e0d\u7b49\u5f0f\u306f\u3001\u30b3\u30fc\u30c9\u306b\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u4ed8\u3051\u308b\u30b3\u30fc\u30c9\u30ef\u30fc\u30c9\u306e\u9577\u3055\u306b\u95a2\u3059\u308b\u5fc5\u8981\u5341\u5206\u6761\u4ef6\u3092\u4e0e\u3048\u307e\u3059\u3002\u30b5\u30a4\u30baD<\/i><\/span>\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3001\u304a\u3088\u3073\u30b5\u30a4\u30ba|<\/span>\u306e\u30bd\u30fc\u30b9 \u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u03a9<\/span>\u306e\u5834\u5408\u03a9 |<\/span>\u306e\u5834\u5408\u3001\u6b21\u306e\u5834\u5408\u306b\u306e\u307f\u63a5\u982d\u8f9e\u304c\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002

$$ { \\sum_{i=1}^{|\\Omega|} D^{-l_i} \\leq 1. } $$<\/div><\/p><\/div>
\n\"\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\"<\/figure>

\u53c2\u8003\u8cc7\u6599<\/h2>
  1. \u062a\u0631\u0645\u064a\u0632 \u0628\u0627\u0644\u0627\u0639\u062a\u0644\u0627\u062c \u2013 arabe<\/a><\/li>
  2. Codificaci\u00f3 entr\u00f2pica \u2013 catalan<\/a><\/li>
  3. Entropiekodierung \u2013 allemand<\/a><\/li>
  4. Entropy coding \u2013 anglais<\/a><\/li>
  5. Codificaci\u00f3n entr\u00f3pica \u2013 espagnol<\/a><\/li>
  6. \u06a9\u062f\u06af\u0630\u0627\u0631\u06cc \u0622\u0646\u062a\u0631\u0648\u067e\u06cc \u2013 persan<\/a><\/li><\/ol><\/div>\n
    \n

    \n \u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u30fb\u95a2\u9023\u52d5\u753b\n <\/h2>\n
    \n \n
    \n
    \n