{"action":"created","issue":{"url":"https://api.github.com/repos/luoyetx/JDA/issues/11","repository_url":"https://api.github.com/repos/luoyetx/JDA","labels_url":"https://api.github.com/repos/luoyetx/JDA/issues/11/labels{/name}","comments_url":"https://api.github.com/repos/luoyetx/JDA/issues/11/comments","events_url":"https://api.github.com/repos/luoyetx/JDA/issues/11/events","html_url":"https://github.com/luoyetx/JDA/issues/11","id":112975860,"number":11,"title":"Possible future enhancement NPD","user":{"login":"inspirit","id":223020,"avatar_url":"https://avatars0.githubusercontent.com/u/223020?v=4","gravatar_id":"","url":"https://api.github.com/users/inspirit","html_url":"https://github.com/inspirit","followers_url":"https://api.github.com/users/inspirit/followers","following_url":"https://api.github.com/users/inspirit/following{/other_user}","gists_url":"https://api.github.com/users/inspirit/gists{/gist_id}","starred_url":"https://api.github.com/users/inspirit/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/inspirit/subscriptions","organizations_url":"https://api.github.com/users/inspirit/orgs","repos_url":"https://api.github.com/users/inspirit/repos","events_url":"https://api.github.com/users/inspirit/events{/privacy}","received_events_url":"https://api.github.com/users/inspirit/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":6,"created_at":"2015-10-23T08:26:27Z","updated_at":"2018-02-16T08:53:04Z","closed_at":null,"author_association":"NONE","body":"i think you can try to use recently introduced **Normalised Pixel Difference** features instead of existing.\nYou can read more here: http://www.cbsr.ia.ac.cn/users/scliao/papers/Liao-PAMI15-NPD.pdf\nI'm currently doing some tests using NPD for facial landmarks alignment and it clearly outperforms classical pixel difference features.\n"},"comment":{"url":"https://api.github.com/repos/luoyetx/JDA/issues/comments/366177133","html_url":"https://github.com/luoyetx/JDA/issues/11#issuecomment-366177133","issue_url":"https://api.github.com/repos/luoyetx/JDA/issues/11","id":366177133,"user":{"login":"lieff","id":10080078,"avatar_url":"https://avatars2.githubusercontent.com/u/10080078?v=4","gravatar_id":"","url":"https://api.github.com/users/lieff","html_url":"https://github.com/lieff","followers_url":"https://api.github.com/users/lieff/followers","following_url":"https://api.github.com/users/lieff/following{/other_user}","gists_url":"https://api.github.com/users/lieff/gists{/gist_id}","starred_url":"https://api.github.com/users/lieff/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lieff/subscriptions","organizations_url":"https://api.github.com/users/lieff/orgs","repos_url":"https://api.github.com/users/lieff/repos","events_url":"https://api.github.com/users/lieff/events{/privacy}","received_events_url":"https://api.github.com/users/lieff/received_events","type":"User","site_admin":false},"created_at":"2018-02-16T08:53:04Z","updated_at":"2018-02-16T08:53:04Z","author_association":"NONE","body":"I have some questions too..:\r\nconst float npd = response(feature_responses);\r\nDo you used response (f1-f2)/ (f1+f2) or more complicated function?\r\n\r\n// thresh1 is negative, thresh2 is positive in [0,127) range\r\nreturn npd < thresh1 || npd > thresh2;\r\nWhat scale is used for npd weighing?"}}
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