{"action":"opened","issue":{"url":"https://api.github.com/repos/openalpr/openalpr/issues/506","repository_url":"https://api.github.com/repos/openalpr/openalpr","labels_url":"https://api.github.com/repos/openalpr/openalpr/issues/506/labels{/name}","comments_url":"https://api.github.com/repos/openalpr/openalpr/issues/506/comments","events_url":"https://api.github.com/repos/openalpr/openalpr/issues/506/events","html_url":"https://github.com/openalpr/openalpr/issues/506","id":229239680,"number":506,"title":"classifychars: Can not change selection in \"Selection dashboard\"","user":{"login":"maechler","id":4113819,"avatar_url":"https://avatars3.githubusercontent.com/u/4113819?v=3","gravatar_id":"","url":"https://api.github.com/users/maechler","html_url":"https://github.com/maechler","followers_url":"https://api.github.com/users/maechler/followers","following_url":"https://api.github.com/users/maechler/following{/other_user}","gists_url":"https://api.github.com/users/maechler/gists{/gist_id}","starred_url":"https://api.github.com/users/maechler/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/maechler/subscriptions","organizations_url":"https://api.github.com/users/maechler/orgs","repos_url":"https://api.github.com/users/maechler/repos","events_url":"https://api.github.com/users/maechler/events{/privacy}","received_events_url":"https://api.github.com/users/maechler/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-05-17T05:13:37Z","updated_at":"2017-05-17T05:13:37Z","closed_at":null,"body":"In the selection dashboard it is not possible to change the selection to a different binarization than the first one using left and right arrow keys. The green selection stays always as in the following image:\r\n\r\n<img width=\"735\" alt=\"screen shot 2017-05-16 at 21 37 12\" src=\"https://cloud.githubusercontent.com/assets/4113819/26139001/bfa4bc7a-3acd-11e7-8d04-f92cb93975b9.png\">\r\n\r\nHowever when I select the first binarization and enter the character selector the left and right arrow keys work correctly. So I guess the key mappings should be fine.\r\n\r\nI have installed openalpr using `brew install openalpr` and use the following versions: `openalpr 2.3.0` and `macOS 10.12.4`\r\n\r\nI have also tried it on `Ubuntu 16.04` and `openalpr 2.2.4` installed with `apt-get`. The dashboard selection does not work either, in addition I can not even enter the character selection there.\r\n\r\n**Question**\r\nWe managed to finish a training on 130 license plates resulting in around 700 characters, but got very poor results. That is way we figured that probably we should classify all the 3 binarization versions of one license plate in order to improve the results.\r\nCan you tell us if that is the intention of these 3 binarizations? The docs are not clear about that."}}
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