{"id":3501,"date":"2012-11-27T22:48:22","date_gmt":"2012-11-27T13:48:22","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=3501"},"modified":"2012-11-27T23:44:18","modified_gmt":"2012-11-27T14:44:18","slug":"predict-median-%e3%81%ae%e9%ab%98%e9%80%9f%e5%8c%96","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=3501","title":{"rendered":"Predict Median \u306e\u9ad8\u901f\u5316"},"content":{"rendered":"

\u6b63\u78ba\u306b\u306f\u30c7\u30b3\u30fc\u30c9\u6642\u306b\u884c\u3046\u9006\u6f14\u7b97\u306e\u9ad8\u901f\u5316\u3067\u3059\u304c\u3002<\/p>\n

<\/p>\n

Predict Median \u3068\u3044\u3046\u306e\u306f\u3001\u4ee5\u4e0b\u306e\u5f0f\u306b\u3088\u3063\u3066\u4e88\u6e2c\u5024\uff08\u3068\u6b8b\u5dee\uff09\u3092\u8a08\u7b97\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n

V:\u5b9f\u969b\u306e\u5024 P:\u4e88\u6e2c\u5024
\nP(x,y) = median(V(x-1,y), V(x,y-1), V(x-1,y)+V(x,y-1)-V(x-1,y-1))<\/p>\n

Predict Median \u3067\u306f\u3001\u3042\u308b\u30d4\u30af\u30bb\u30eb\u306e\u6b8b\u5dee\u306e\u8a08\u7b97\u306f\u4ed6\u306e\u30d4\u30af\u30bb\u30eb\u306e\u8a08\u7b97\u306b\u4f9d\u5b58\u3057\u306a\u3044\u306e\u3067 SIMD \u5316\u306f\u81ea\u660e\u3067\u3059\u3002\u666e\u901a\u306f\u30d9\u30bf\u30c3\u3068\u4e26\u3093\u3067\u3044\u308b\u30d4\u30af\u30bb\u30eb\u3092\u30e1\u30e2\u30ea\u30a2\u30c9\u30ec\u30b9\u9806\u306b\u307e\u3068\u3081\u3066\u51e6\u7406\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u4e00\u65b9\u3001\u9006\u6f14\u7b97\u3067\u306f\u4ed6\u306e\u30d4\u30af\u30bb\u30eb\uff08\u5de6\u3001\u4e0a\u3001\u5de6\u4e0a\uff09\u306e\u8a08\u7b97\u306b\u4f9d\u5b58\u3059\u308b\u305f\u3081\u3001\u540c\u3058\u3088\u3046\u306b\u30e1\u30e2\u30ea\u30a2\u30c9\u30ec\u30b9\u9806\u306b\u307e\u3068\u3081\u3066\u51e6\u7406\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u659c\u3081\u65b9\u5411\u306b\u4e26\u3093\u3060\u30d4\u30af\u30bb\u30eb\u7fa4\uff08\u4e0b\u306e\u753b\u50cf\u306e\u8d64\u3044\u30d4\u30af\u30bb\u30eb\uff09\u306f\u4e92\u3044\u306b\u4f9d\u5b58\u3057\u306a\u3044\u306e\u3067\u3001\u540c\u6642\u306b\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u659c\u3081\u306b\u4e26\u3093\u3067\u3044\u308b\u3068 SIMD \u30ec\u30b8\u30b9\u30bf\u306b\u30ed\u30fc\u30c9\u3057\u3066\u8a08\u7b97\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u4e26\u3073\u66ff\u3048\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002\u4e26\u3073\u66ff\u3048\u305f\u72b6\u614b\u3067\u306f\u3001\u5404\u30d4\u30af\u30bb\u30eb\u306f\u305d\u308c\u3088\u308a\u4e0a\u306e\u65b9\u306b\u3042\u308b\u30d4\u30af\u30bb\u30eb\u306e\u307f\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f diagonal algorithm \u3068\u547c\u3070\u308c\u308b\u3088\u3046\u3067\u3059\uff08diagonal=\u659c\u3081\u306e,\u5bfe\u89d2\u306e\uff09\u3002\"\"<\/a><\/p>\n

\u3053\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u6614\u304b\u3089\u77e5\u3089\u308c\u3066\u3044\u308b\uff08\u79c1\u3082\uff12\u5e74\u3050\u3089\u3044\u524d\u306b\u805e\u3044\u305f\uff09\u308f\u3051\u3067\u3059\u304c\u3001Ut Video Codec Suite \u306e ULxx \u306b\u306f\u9069\u7528\u3067\u304d\u307e\u305b\u3093\u3002Predict Median \u3092\u5b9f\u88c5\u3059\u308b\u969b\u306b\u300c\u624b\u629c\u304d\u300d\u3092\u3057\u3066\u3001\u5de6\u7aef\u306e\u30d4\u30af\u30bb\u30eb\u306e\u4e88\u6e2c\u5024\u306e\u8a08\u7b97\u304c\u524d\u306e\u30e9\u30a4\u30f3\u306e\u53f3\u7aef\u306e\u30d4\u30af\u30bb\u30eb\u306b\u4f9d\u5b58\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3057\u307e\u3063\u305f\u305f\u3081\u3067\u3059\u3002\u65b0\u3057\u3044\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306b\u306a\u3063\u305f\u3089\u3001\u3053\u306e\u70b9\u306f\u3046\u307e\u304f\u6539\u5584\u3057\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n

\u306a\u304a\u3001\u5225\u306e\u7c21\u5358\u306a\u30d5\u30ec\u30fc\u30e0\u5185\u4e88\u6e2c\u65b9\u5f0f\u3067\u3042\u308b Predict Left \u3082\u9006\u6f14\u7b97\u306f\u5de6\u306e\u30d4\u30af\u30bb\u30eb\u306e\u8a08\u7b97\u306b\u4f9d\u5b58\u3057\u307e\u3059\u304c\u3001\u5de6\u7aef\u304c\u53f3\u7aef\u306b\u4f9d\u5b58\u3057\u306a\u3044\u306a\u3089\u4f3c\u305f\u65b9\u6cd5\u3067\u9ad8\u901f\u5316\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3001\u5143\u3005\u8a08\u7b97\u304c\u5358\u7d14\u306a\u305f\u3081\u3001\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u7b26\u53f7\u306e\u5fa9\u53f7\u6642\u306b\u3064\u3044\u3067\u306b\u3084\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u9ad8\u901f\u5316\u3057\u305f\u65b9\u304c\u52b9\u7387\u7684\u3067\u3059\u3002ULxx \u3067\u3082\u5b9f\u969b\u306b\u305d\u3061\u3089\u306e\u65b9\u6cd5\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002ULxx \u306e Predict Left \u3067\u306f Predict Median \u3068\u540c\u69d8\u306b\u5de6\u7aef\u304c\u53f3\u7aef\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u90fd\u5408\u3082\u3042\u308b\u306e\u3067\u3059\u304c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6b63\u78ba\u306b\u306f\u30c7\u30b3\u30fc\u30c9\u6642\u306b\u884c\u3046\u9006\u6f14\u7b97\u306e\u9ad8\u901f\u5316\u3067\u3059\u304c\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-3501","post","type-post","status-publish","format-standard","hentry","category-ut-video-codec-suite"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3501"}],"version-history":[{"count":14,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3501\/revisions"}],"predecessor-version":[{"id":3515,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3501\/revisions\/3515"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3501"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}