{"action":"opened","issue":{"url":"https://api.github.com/repos/lagadic/visp/issues/118","repository_url":"https://api.github.com/repos/lagadic/visp","labels_url":"https://api.github.com/repos/lagadic/visp/issues/118/labels{/name}","comments_url":"https://api.github.com/repos/lagadic/visp/issues/118/comments","events_url":"https://api.github.com/repos/lagadic/visp/issues/118/events","html_url":"https://github.com/lagadic/visp/issues/118","id":198144031,"number":118,"title":"vpKeyPoint: perhaps misleading in document","user":{"login":"xoox","id":1014277,"avatar_url":"https://avatars.githubusercontent.com/u/1014277?v=3","gravatar_id":"","url":"https://api.github.com/users/xoox","html_url":"https://github.com/xoox","followers_url":"https://api.github.com/users/xoox/followers","following_url":"https://api.github.com/users/xoox/following{/other_user}","gists_url":"https://api.github.com/users/xoox/gists{/gist_id}","starred_url":"https://api.github.com/users/xoox/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/xoox/subscriptions","organizations_url":"https://api.github.com/users/xoox/orgs","repos_url":"https://api.github.com/users/xoox/repos","events_url":"https://api.github.com/users/xoox/events{/privacy}","received_events_url":"https://api.github.com/users/xoox/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-12-30T12:51:11Z","updated_at":"2016-12-30T12:51:11Z","closed_at":null,"body":"in `modules/vision/src/key-point/vpKeyPoint.cpp` [Line 1296](https://github.com/lagadic/visp/blob/master/modules/vision/src/key-point/vpKeyPoint.cpp#L1296) and [Line 1334](https://github.com/lagadic/visp/blob/master/modules/vision/src/key-point/vpKeyPoint.cpp#L1334)\r\n```\r\n\\param mask : Optional mask to detect only where mask[i][j] == 1.\r\n```\r\nAccording to [OpenCV's document](http://docs.opencv.org/3.1.0/d0/d13/classcv_1_1Feature2D.html#aa4e9a7082ec61ebc108806704fbd7887), the mask must be a 8-bit integer matrix with non-zero values in the region of interest.\r\nSo it would be better if this description be changed to\r\n```\r\n\\param mask : Optional 8-bit integer mask to detect only where mask[i][j] != 0.\r\n```"}}
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