One-Class SVM\u306f\u3001\u300c\u6b63\u5e38\u30c7\u30fc\u30bf\u3060\u3051\u3092\u5b66\u3073\u3001\u305d\u306e\u7bc4\u56f2\u304b\u3089\u5916\u308c\u305f\u3082\u306e\u3092\u7570\u5e38\u3068\u307f\u306a\u3059\u300d\u8003\u3048\u65b9\u306b\u3082\u3068\u3065\u304f\u7570\u5e38\u691c\u77e5\u624b\u6cd5\u3067\u3042\u308b\u3002\u591a\u6570\u6d3e\u3067\u3042\u308b\u6b63\u5e38\u306e\u30d1\u30bf\u30fc\u30f3\u306b\u5883\u754c\uff08\u3075\u3061\uff09\u3092\u5f15\u304d\u3001\u305d\u306e\u5916\u5074\u306b\u843d\u3061\u308b\u30c7\u30fc\u30bf\u3092\u5916\u308c\u5024\u3068\u3057\u3066\u5224\u5b9a\u3059\u308b\u306e\u304c\u57fa\u672c\u3067\u3001\u7570\u5e38\u30e9\u30d9\u30eb\u304c\u307b\u3068\u3093\u3069\u7121\u3044\u73fe\u5834\u3067\u3082\u5c0e\u5165\u3057\u3084\u3059\u3044\u306e\u304c\u9577\u6240\u3067\u3042\u308b\u3002\u76f4\u611f\u7684\u306b\u306f\u3001\u7279\u5fb4\u91cf\u3067\u8868\u3057\u305f\u70b9\u7fa4\u3092\u9ad8\u6b21\u5143\u7a7a\u9593\u306b\u5199\u3057\u3001\u305d\u306e\u4e2d\u3067\u300c\u6b63\u5e38\u9818\u57df\u300d\u3092\u5305\u307f\u8fbc\u3080\u3088\u3046\u306a\u5883\u754c\u3092\u4f5c\u308b\u30a4\u30e1\u30fc\u30b8\u3067\u3001\u5883\u754c\u306e\u5185\u5074\u304c\u6b63\u5e38\u3001\u5916\u5074\u304c\u7570\u5e38\u306b\u306a\u308b\u3002[1][2][3]\n\n\n\n
\u4ed5\u7d44\u307f\u3092\u304b\u307f\u7815\u3044\u3066\u8aac\u660e\u3059\u308b\u3002One-Class SVM\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u3068\u547c\u3070\u308c\u308b\u5199\u50cf\u3092\u4f7f\u3063\u3066\u3001\u5143\u306e\u7279\u5fb4\u3092\u3088\u308a\u6271\u3044\u3084\u3059\u3044\u7a7a\u9593\u3078\u79fb\u3057\u3001\u305d\u3053\u3067\u300c\u3067\u304d\u308b\u3060\u3051\u591a\u304f\u306e\u6b63\u5e38\u70b9\u3092\u542b\u3080\u6700\u5c0f\u306e\u9818\u57df\u300d\u3092\u4f5c\u308b\u3088\u3046\u306b\u5b66\u7fd2\u3059\u308b\u3002\u65b0\u3057\u3044\u70b9\u306b\u5bfe\u3057\u3066\u306f\u3001\u5b66\u3093\u3060\u5883\u754c\u306e\u5185\u304b\u5916\u304b\u3092\u8abf\u3079\u3001\u5883\u754c\u5916\u306a\u3089\u7570\u5e38\u306e\u5019\u88dc\u3068\u3057\u3066\u6271\u3046\u3002\u5b9f\u88c5\u3067\u306f\u3001\u6c7a\u5b9a\u95a2\u6570f(x)\u304c\u6b63\u306a\u3089\u6b63\u5e38\u3001\u8ca0\u306a\u3089\u7570\u5e38\u3068\u3044\u3046\u5224\u5b9a\u3092\u8fd4\u3059\u5f62\u304c\u4e00\u822c\u7684\u3067\u3042\u308b\u3002[2][4]\n\n\n\n
\u3053\u306e\u624b\u6cd5\u3067\u91cd\u8981\u306a\u8a2d\u8a08\u8981\u7d20\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u3068\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3042\u308b\u3002\u30ab\u30fc\u30cd\u30eb\u306f\u5883\u754c\u306e\u5f62\u306e\u67d4\u3089\u304b\u3055\u3092\u6c7a\u3081\u308b\u9078\u629e\u80a2\u3067\u3001\u7dda\u5f62\u3001RBF\uff08\u30ac\u30a6\u30b9\uff09\u3001\u591a\u9805\u5f0f\u3001\u30b7\u30b0\u30e2\u30a4\u30c9\u306a\u3069\u304c\u3042\u308b\u304c\u3001\u8907\u96d1\u306a\u975e\u7dda\u5f62\u95a2\u4fc2\u3092\u6271\u3044\u3084\u3059\u3044RBF\u304c\u6a19\u6e96\u7684\u306a\u9078\u629e\u306b\u306a\u3063\u3066\u3044\u308b\u3002RBF\u3067\u306f\u03b3\uff08\u30ac\u30f3\u30de\uff09\u304c\u5883\u754c\u306e\u300c\u7d30\u304b\u3055\u300d\u3092\u652f\u914d\u3057\u3001\u03b3\u304c\u5927\u304d\u3044\u307b\u3069\u5883\u754c\u306f\u7d30\u304b\u304f\u8907\u96d1\u306b\u3001\u5c0f\u3055\u3044\u307b\u3069\u306a\u3060\u3089\u304b\u306b\u306a\u308b\u305f\u3081\u3001\u904e\u5b66\u7fd2\u3068\u898b\u843d\u3068\u3057\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u03b3\u3067\u8abf\u6574\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u3002\u307e\u305f\u3001One-Class SVM\u56fa\u6709\u306e\u03bd\uff08\u30cb\u30e5\u30fc\uff09\u306f\u611f\u5ea6\u3092\u53f8\u308b\u91cd\u8981\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3001\u300c\u5b66\u7fd2\u6642\u306b\u8a31\u3055\u308c\u308b\u8aa4\u308a\uff08\u5916\u308c\uff09\u306e\u4e0a\u9650\u300d\u3068\u300c\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u306e\u4e0b\u9650\u300d\u3092\u540c\u6642\u306b\u898f\u5b9a\u3059\u308b\u5f79\u5272\u3092\u6301\u3061\u30010<\u03bd\u22641\u306e\u7bc4\u56f2\u3067\u8a2d\u5b9a\u3059\u308b\u3002\u76f4\u611f\u7684\u306b\u306f\u3001\u03bd\u3092\u5927\u304d\u304f\u3059\u308b\u3068\u5916\u308c\u3068\u307f\u306a\u3059\u5272\u5408\u304c\u5897\u3048\u691c\u77e5\u306f\u654f\u611f\u306b\u3001\u03bd\u3092\u5c0f\u3055\u304f\u3059\u308b\u3068\u5916\u308c\u3068\u307f\u306a\u3059\u5272\u5408\u304c\u6e1b\u308a\u4fdd\u5b88\u7684\u306b\u306a\u308b\u3002\u73fe\u5834\u3067\u306f\u3001RBF\uff0b\uff08\u03b3,\u03bd\uff09\u304b\u3089\u8a66\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4ed6\u30ab\u30fc\u30cd\u30eb\u3084\u30d1\u30e9\u30e1\u30fc\u30bf\u63a2\u7d22\u3092\u884c\u3046\u306e\u304c\u5b9f\u52d9\u7684\u3067\u3042\u308b\u3002[5][6][7][8][9][1]\n\n\n\n
\u306a\u305cOne-Class SVM\u304c\u6545\u969c\u4e88\u77e5\u306b\u5411\u304f\u306e\u304b\u3002\u7b2c\u4e00\u306b\u3001\u7570\u5e38\u4f8b\u304c\u5e0c\u5c11\u3067\u3082\u300c\u6b63\u5e38\u3060\u3051\u3067\u5b66\u3079\u308b\u300d\u305f\u3081\u3001\u30e9\u30d9\u30eb\u4e0d\u8db3\u3067\u3082\u51fa\u767a\u3067\u304d\u308b\u3002\u7b2c\u4e8c\u306b\u3001\u30ab\u30fc\u30cd\u30eb\u306b\u3088\u308a\u9ad8\u6b21\u5143\u30fb\u975e\u7dda\u5f62\u306a\u5883\u754c\u3092\u67d4\u8edf\u306b\u4f5c\u308c\u3001\u7279\u5fb4\u304c\u591a\u304f\u3066\u3082\u52b9\u304d\u3084\u3059\u3044\u3002\u7b2c\u4e09\u306b\u3001\u5b66\u7fd2\u3067\u5f97\u305f\u9023\u7d9a\u30b9\u30b3\u30a2\uff08\u6c7a\u5b9a\u95a2\u6570\u5024\uff09\u3092\u7528\u3044\u3001\u3057\u304d\u3044\u5024\u6b21\u7b2c\u3067\u518d\u73fe\u7387\uff08\u898b\u9003\u3057\u4f4e\u6e1b\uff09\u3068\u9069\u5408\u7387\uff08\u8aa4\u8b66\u5831\u4f4e\u6e1b\uff09\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u904b\u7528\u306b\u5408\u308f\u305b\u3066\u5236\u5fa1\u3067\u304d\u308b\u3002\u4e00\u65b9\u3067\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u611f\u5ea6\u304c\u9ad8\u304f\u3001\u30c7\u30fc\u30bf\u5206\u5e03\u304c\u5909\u308f\u308b\u3068\u518d\u8abf\u6574\u304c\u5fc5\u8981\u3001\u6b63\u5e38\u304c\u8907\u6570\u306e\u96e2\u6563\u30af\u30e9\u30b9\u30bf\u30fc\u306b\u5206\u304b\u308c\u308b\u5834\u9762\u3067\u306f\u5883\u754c\u8a2d\u8a08\u304c\u96e3\u3057\u304f\u306a\u308b\u3001\u3068\u3044\u3063\u305f\u9650\u754c\u3082\u8a8d\u8b58\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002[10][3][11][2]\n\n\n\n
\u5c0e\u5165\u624b\u9806\u3092\u6bb5\u968e\u7684\u306b\u307e\u3068\u3081\u308b\u30021) \u7279\u5fb4\u91cf\u8a2d\u8a08\uff1aRMS\u3001\u77ed\u6642\u9593\u30a8\u30cd\u30eb\u30ae\u30fc\u3001\u30bc\u30ed\u4ea4\u5dee\u7387\u3001\u30b9\u30da\u30af\u30c8\u30eb\u91cd\u5fc3\u3001\u30d0\u30f3\u30c9\u30a8\u30cd\u30eb\u30ae\u30fc\u3001\u30d4\u30fc\u30af\u30c8\u30c3\u30d7\u306a\u3069\u3001\u7269\u7406\u76f4\u611f\u306b\u57fa\u3065\u304f\u7279\u5fb4\u3092\u6574\u7406\u3057\u3001\u30b9\u30b1\u30fc\u30eb\u3092\u6a19\u6e96\u5316\u3067\u305d\u308d\u3048\u308b\uff08\u524d\u51e6\u7406\u306e\u7d71\u8a08\u306f\u8a13\u7df4\u96c6\u5408\u304b\u3089\u5b66\u3073\u3001\u691c\u8a3c\u30fb\u672c\u756a\u306b\u9069\u7528\u3059\u308b\uff09\u30022) \u5206\u5272\u3068\u8a55\u4fa1\u8a2d\u8a08\uff1a\u8a13\u7df4\u306f\u6b63\u5e38\u30c7\u30fc\u30bf\u4e2d\u5fc3\u3001\u691c\u8a3c\u306b\u306f\u6b63\u5e38\u3068\u4e00\u90e8\u306e\u64ec\u4f3c\u7570\u5e38\u30fb\u65e2\u77e5\u7570\u5e38\u3092\u542b\u3081\u308b\uff08\u5c64\u5316\u3084\u6642\u7cfb\u5217\u5206\u5272\u3092\u63a1\u7528\uff09\u3002\u8a55\u4fa1\u306f\u518d\u73fe\u7387\u30fb\u9069\u5408\u7387\u30fbF1\u3084PR\u66f2\u7dda\u3092\u4e3b\u6307\u6a19\u306b\u3059\u308b\uff08\u4e0d\u5747\u8861\u3086\u3048\u6b63\u89e3\u7387\u306f\u53c2\u8003\u306b\u306a\u3089\u306a\u3044\uff09\u30023) \u5b66\u7fd2\uff1aOneClassSVM(kernel='rbf')\u3092\u521d\u671f\u8a2d\u5b9a\u3068\u3057\u3001\u03b3\u3068\u03bd\u306e\u5019\u88dc\u3092\u5e83\u3081\u306b\u7528\u610f\u3057\u3066\u30b0\u30ea\u30c3\u30c9\u307e\u305f\u306f\u30e9\u30f3\u30c0\u30e0\u63a2\u7d22\u3067\u691c\u8a3c\u30b9\u30b3\u30a2\u3092\u6bd4\u8f03\u3059\u308b\u30024) \u3057\u304d\u3044\u5024\u6c7a\u5b9a\uff1a\u6c7a\u5b9a\u95a2\u6570\u306e\u5206\u5e03\u3092\u898b\u306a\u304c\u3089\u3001\u904b\u7528\u4e0a\u5fc5\u8981\u306a\u518d\u73fe\u7387\u4e0b\u9650\u3092\u6e80\u305f\u3057\u3064\u3064\u9069\u5408\u7387\u3092\u6700\u5927\u5316\u3059\u308b\u70b9\u3092\u63a1\u7528\u3059\u308b\uff08\u03bd\u306e\u660e\u793a\u8a2d\u5b9a\u3092\u4f75\u7528\u3057\u3066\u7570\u5e38\u5272\u5408\u306e\u4e0a\u9650\u3092\u5236\u5fa1\uff09\u30025) \u70b9\u691c\u3068\u53ef\u8996\u5316\uff1a\u30b9\u30b3\u30a2\u4e0a\u4f4d\u306e\u30b1\u30fc\u30b9\u306f\u30b9\u30da\u30af\u30c8\u30ed\u30b0\u30e9\u30e0\u3084\u30d4\u30fc\u30af\u8868\u3067\u6839\u62e0\u3092\u78ba\u8a8d\u3057\u3001\u8aa4\u8b66\u5831\u306e\u5171\u901a\u8981\u56e0\u304c\u3042\u308c\u3070\u7279\u5fb4\u30fb\u5e2f\u57df\u3084\u30ab\u30fc\u30cd\u30eb\u8a2d\u5b9a\u3092\u898b\u76f4\u3059\u30026) \u7dad\u6301\u904b\u7528\uff1a\u5b63\u7bc0\u30fb\u8ca0\u8377\u30fb\u30e9\u30a4\u30f3\u5909\u66f4\u306b\u5fdc\u3058\u3066\u518d\u8abf\u6574\u3057\u3001\u30c7\u30fc\u30bf\u6f02\u79fb\u3092\u76e3\u8996\u3059\u308b\uff08\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u6761\u4ef6\u5225\u30e2\u30c7\u30eb\u3084\u6761\u4ef6\u5225\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3092\u5c0e\u5165\uff09\u3002[6][8][12][9][13][1][2]\n\n\n\n
\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8003\u3048\u65b9\u3092\u3082\u3046\u5c11\u3057\u8a73\u3057\u304f\u8ff0\u3079\u308b\u3002- \u03bd\uff08\u30cb\u30e5\u30fc\uff09\uff1a\u8a13\u7df4\u8aa4\u308a\u306e\u4e0a\u9650\u304b\u3064\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u6bd4\u306e\u4e0b\u9650\u3067\u30010.1\u30010.2\u30010.5\u3068\u3044\u3063\u305f\u6bb5\u968e\u3067\u611f\u5ea6\u3092\u8abf\u3079\u308b\u306e\u304c\u51fa\u767a\u70b9\u306b\u306a\u308b\u3002\u03bd\u3092\u4e0a\u3052\u308b\u3068\u300c\u5916\u5074\u300d\u3092\u5e83\u304f\u7570\u5e38\u3068\u898b\u306a\u3059\u305f\u3081\u518d\u73fe\u7387\u306f\u4e0a\u304c\u308a\u3084\u3059\u3044\u304c\u3001\u8aa4\u8b66\u5831\u3082\u5897\u3048\u3084\u3059\u3044\u3002- \u03b3\uff08\u30ac\u30f3\u30de\uff09\uff1aRBF\u306e\u5e45\u306b\u76f8\u5f53\u3057\u30011\/\u7279\u5fb4\u6b21\u5143\u30011\/\u4e2d\u592e\u5024\u8ddd\u96e2\u3001\u5bfe\u6570\u523b\u307f\uff08\u4f8b\uff1a10^\u22123\uff5e10^1\uff09\u306a\u3069\u306e\u5019\u88dc\u3067\u63a2\u7d22\u3057\u3066\u3001\u904e\u5b66\u7fd2\uff08\u5883\u754c\u304c\u30ae\u30b6\u30ae\u30b6\uff09\u3068\u904e\u5c0f\u9069\u5408\uff08\u5883\u754c\u304c\u306a\u3060\u3089\u304b\u3059\u304e\u308b\uff09\u306e\u9593\u3092\u63a2\u308b\u3002- \u30ab\u30fc\u30cd\u30eb\uff1aRBF\u304c\u7b2c\u4e00\u9078\u629e\u3060\u304c\u3001\u7dda\u5f62\u3067\u5341\u5206\u5206\u96e2\u53ef\u80fd\u306a\u3089\u7dda\u5f62\u304c\u5805\u7262\u3067\u3001\u9ad8\u6b21\u76f8\u4e92\u4f5c\u7528\u304c\u52b9\u304f\u306a\u3089\u591a\u9805\u5f0f\u3082\u9078\u629e\u80a2\u306b\u306a\u308b\u3002\u30c7\u30fc\u30bf\u306e\u6027\u8cea\u3068\u8a08\u7b97\u8cc7\u6e90\u306b\u5fdc\u3058\u3066\u6bd4\u8f03\u3059\u308b\u3002\u5927\u91cf\u30c7\u30fc\u30bf\u3084\u30aa\u30f3\u30e9\u30a4\u30f3\u6027\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u8fd1\u4f3c\u3084SGD\u7248\uff08\u7dda\u5f62One-Class SVM\uff0b\u30ab\u30fc\u30cd\u30eb\u8fd1\u4f3c\uff09\u306e\u9078\u629e\u80a2\u3082\u3042\u308b\u3002[7][8][9][1][5][6]\n\n\n\n
\u4ed6\u624b\u6cd5\u3068\u306e\u4f4d\u7f6e\u3065\u3051\u3082\u62bc\u3055\u3048\u308b\u3002Isolation Forest\u306f\u6728\u306e\u5206\u5272\u6df1\u3055\uff08\u30d1\u30b9\u9577\uff09\u3067\u5916\u308c\u3092\u6e2c\u308b\u305f\u3081\u8a08\u7b97\u304c\u8efd\u304f\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3060\u304c\u3001\u5bc6\u306a\u8fd1\u508d\u306b\u7d1b\u308c\u308b\u7570\u5e38\u3084\u975e\u7dda\u5f62\u5883\u754c\u306e\u7cbe\u7dfb\u5316\u304c\u82e6\u624b\u306a\u3068\u304d\u304c\u3042\u308b\u3002Local Outlier Factor\u306f\u5c40\u6240\u5bc6\u5ea6\u5dee\u306b\u654f\u611f\u3067\u3001\u5c40\u6240\u7684\u5916\u308c\u306b\u5f37\u3044\u304c\u30d1\u30e9\u30e1\u30fc\u30bf\u611f\u5ea6\u304c\u9ad8\u3044\u3002One-Class SVM\u306f\u9ad8\u6b21\u5143\u30fb\u975e\u7dda\u5f62\u5883\u754c\u3092\u4f5c\u308c\u308b\u6c4e\u7528\u6027\u304c\u5f37\u307f\u3060\u304c\u3001\u03b3\u3068\u03bd\u306e\u9078\u5b9a\u306b\u52b4\u529b\u304c\u8981\u308b\u3002\u73fe\u5834\u3067\u306f\u3001\u307e\u305a\u8efd\u91cf\u306a\u30b9\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\uff08Isolation Forest\u306a\u3069\uff09\u3067\u5019\u88dc\u3092\u7d5e\u308a\u3001One-Class SVM\u3067\u7cbe\u67fb\u3059\u308b\u4e8c\u6bb5\u69cb\u3048\u3082\u6709\u52b9\u3067\u3042\u308b\u3002[2][10]\n\n\n\n
\u6559\u80b2\u7684\u89b3\u70b9\u304b\u3089\u306e\u201c\u3064\u307e\u305a\u304d\u3084\u3059\u3044\u70b9\u201d\u3092\u6319\u3052\u308b\u3002- \u524d\u51e6\u7406\u306e\u6f0f\u3048\u3044\uff1a\u5206\u5272\u524d\u306b\u5168\u30c7\u30fc\u30bf\u3067\u6a19\u6e96\u5316\u3059\u308b\u3068\u3001\u691c\u8a3c\u30fb\u672c\u756a\u306e\u60c5\u5831\u304c\u8a13\u7df4\u306b\u6df7\u3058\u308b\u3002\u5fc5\u305a\u8a13\u7df4\u306e\u7d71\u8a08\u3067\u5909\u63db\u3092\u5b66\u3073\u3001\u4ed6\u96c6\u5408\u306b\u9069\u7528\u3059\u308b\u3002- \u3057\u304d\u3044\u5024\u56fa\u5b9a\u306e\u7f60\uff1a\u6c7a\u5b9a\u95a2\u6570\u306e\u3057\u304d\u3044\u5024\u306f\u30c7\u30fc\u30bf\u5206\u5e03\u306b\u4f9d\u5b58\u3059\u308b\u3002\u74b0\u5883\u304c\u5909\u308f\u308c\u3070PR\u66f2\u7dda\u3092\u518d\u78ba\u8a8d\u3057\u3001\u3057\u304d\u3044\u5024\u3084\u03bd\u3092\u898b\u76f4\u3059\u3002- \u6b63\u89e3\u7387\u504f\u91cd\uff1a\u4e0d\u5747\u8861\u3067\u306f\u6b63\u89e3\u7387\u304c\u9ad8\u304f\u898b\u3048\u308b\u3002\u518d\u73fe\u7387\u30fb\u9069\u5408\u7387\u30fbF1\u3084AUPRC\u3092\u4e3b\u306b\u8a55\u4fa1\u3059\u308b\u3002- \u03b3\u306e\u904e\u5927\u8a2d\u5b9a\uff1a\u5883\u754c\u304c\u7d30\u304b\u304f\u306a\u308a\u904e\u5b66\u7fd2\u3057\u3084\u3059\u3044\u3002\u691c\u8a3c\u66f2\u7dda\u3067\u6c4e\u5316\u304c\u843d\u3061\u59cb\u3081\u308b\u624b\u524d\u306e\u03b3\u3092\u9078\u3076\u3002- \u6b63\u5e38\u306e\u591a\u5cf0\u6027\uff1a\u6b63\u5e38\u304c\u8907\u6570\u30af\u30e9\u30b9\u30bf\u30fc\u306b\u5206\u304b\u308c\u308b\u5834\u5408\u3001\u5358\u4e00\u5883\u754c\u304c\u96e3\u3057\u3044\u3002\u6761\u4ef6\u5225\u30e2\u30c7\u30eb\u3084\u30af\u30e9\u30b9\u30bf\u5225\u306eOne-Class\u5316\u3092\u691c\u8a0e\u3059\u308b\u3002[11][12][1][10][6][2]\n\n\n\n
\u6700\u5f8c\u306b\u3001\u7c21\u6f54\u306a\u30ec\u30b7\u30d4\u3092\u8a18\u3059\u30021) \u6b63\u5e38\u30c7\u30fc\u30bf\u3092\u5341\u5206\u306b\u96c6\u3081\u3001\u7279\u5fb4\u91cf\u3092\u4f5c\u3063\u3066\u6a19\u6e96\u5316\uff08\u8a13\u7df4\u57fa\u6e96\uff09\u30022) OneClassSVM(RBF)\u3067\u03b3\u2208{10^\u22123,\u2026,10^0}\u3001\u03bd\u2208{0.05,0.1,0.2,0.5}\u3092\u63a2\u7d22\u30023) \u691c\u8a3c\u30bb\u30c3\u30c8\u3067PR\u6307\u6a19\u3092\u6bd4\u8f03\u3057\u3001\u76ee\u7684\u306e\u518d\u73fe\u7387\u3092\u6e80\u305f\u3059\u8a2d\u5b9a\u3092\u9078\u3076\u30024) \u6c7a\u5b9a\u95a2\u6570\u306e\u3057\u304d\u3044\u5024\u3092PR\u66f2\u7dda\u304b\u3089\u78ba\u5b9a\u30025) \u30b9\u30b3\u30a2\u4e0a\u4f4d\u3092\u53ef\u8996\u5316\u3067\u70b9\u691c\u3057\u3001\u8aa4\u8b66\u5831\u8981\u56e0\u304c\u3042\u308c\u3070\u7279\u5fb4\u30fb\u5e2f\u57df\u30fb\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5fae\u8abf\u6574\u30026) \u904b\u7528\u3067\u5206\u5e03\u3092\u76e3\u8996\u3057\u3001\u5b9a\u671f\u7684\u306b\u518d\u8a55\u4fa1\u30fb\u518d\u5b66\u7fd2\u3059\u308b\u3002\u3053\u306e\u6d41\u308c\u306f\u3001One-Class SVM\u306e\u539f\u7406\u3068\u4e3b\u8981\u5b9f\u88c5\u306e\u89e3\u8aac\u306b\u6cbf\u3063\u305f\u6a19\u6e96\u7684\u624b\u9806\u3067\u3042\u308a\u3001\u30e9\u30d9\u30eb\u304c\u4e4f\u3057\u3044\u6545\u969c\u4e88\u77e5\u306e\u73fe\u5834\u3067\u3001\u898b\u9003\u3057\u3068\u8aa4\u8b66\u5831\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308a\u3064\u3064\u7570\u5e38\u306e\u65e9\u671f\u62bd\u51fa\u306b\u5f79\u7acb\u3064\u3002[8][12][2]\n\n\n\n[1] https:\/\/www.geeksforgeeks.org\/machine-learning\/understanding-one-class-support-vector-machines\/<\/p>\n\n\n\n[2] https:\/\/spotintelligence.com\/2024\/05\/27\/anomaly-detection-one-class-svm\/<\/p>\n\n\n\n[3] https:\/\/www.mathworks.com\/help\/stats\/oneclasssvm.html<\/p>\n\n\n\n[4] https:\/\/sci2s.ugr.es\/keel\/pdf\/specific\/congreso\/cohen_one-class_2004.pdf<\/p>\n\n\n\n[5] https:\/\/scikit-learn.org\/stable\/modules\/generated\/sklearn.linear_model.SGDOneClassSVM.html<\/p>\n\n\n\n[6] https:\/\/www.numberanalytics.com\/blog\/advanced-one-class-svm-techniques<\/p>\n\n\n\n[7] https:\/\/www.ni.com\/docs\/en-US\/bundle\/labview-analytics-and-machine-learning-toolkit-api-ref\/page\/lvaml\/aml_initialize_anomaly_detection_model_one_class_svm.html<\/p>\n\n\n\n[8] https:\/\/scikit-learn.org\/stable\/modules\/generated\/sklearn.svm.OneClassSVM.html<\/p>\n\n\n\n[9] https:\/\/stackoverflow.com\/questions\/11230955\/what-is-the-meaning-of-the-nu-parameter-in-scikit-learns-svm-class<\/p>\n\n\n\n[10] https:\/\/www.numberanalytics.com\/blog\/mastering-one-class-svm-for-anomaly-detection<\/p>\n\n\n\n[11] https:\/\/ieeexplore.ieee.org\/document\/9360960\/<\/p>\n\n\n\n[12] https:\/\/scikit-learn.org\/stable\/auto_examples\/svm\/plot_oneclass.html<\/p>\n\n\n\n[13] https:\/\/www.alibabacloud.com\/help\/en\/pai\/user-guide\/one-class-svm-outlier-detection<\/p>\n\n\n\n[14] https:\/\/www.geeksforgeeks.org\/machine-learning\/support-vector-machine-svm-for-anomaly-detection\/<\/p>\n\n\n\n[15] https:\/\/www.youtube.com\/watch?v=pxRw7zeKUuo<\/p>\n\n\n\n[16] https:\/\/ceur-ws.org\/Vol-2289\/paper12.pdf<\/p>\n\n\n\n[17] https:\/\/www.slideshare.net\/slideshow\/one-class-svm\/91274206<\/p>\n\n\n\n[18] https:\/\/ieeexplore.ieee.org\/document\/9696151\/<\/p>\n\n\n\n[19] https:\/\/github.com\/scikit-learn\/scikit-learn\/issues\/3466<\/p>\n\n\n\n[20] https:\/\/py-palette.jp\/sklearn-1svm\/<\/p>\n\n\n\n
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