{"action":"opened","issue":{"url":"https://api.github.com/repos/vlfeat/vlfeat/issues/136","repository_url":"https://api.github.com/repos/vlfeat/vlfeat","labels_url":"https://api.github.com/repos/vlfeat/vlfeat/issues/136/labels{/name}","comments_url":"https://api.github.com/repos/vlfeat/vlfeat/issues/136/comments","events_url":"https://api.github.com/repos/vlfeat/vlfeat/issues/136/events","html_url":"https://github.com/vlfeat/vlfeat/issues/136","id":166231593,"number":136,"title":"vl_slic in gpu mode throws error \"IMAGE is not a real matrix\"","user":{"login":"yaoqi-zd","id":16330055,"avatar_url":"https://avatars.githubusercontent.com/u/16330055?v=3","gravatar_id":"","url":"https://api.github.com/users/yaoqi-zd","html_url":"https://github.com/yaoqi-zd","followers_url":"https://api.github.com/users/yaoqi-zd/followers","following_url":"https://api.github.com/users/yaoqi-zd/following{/other_user}","gists_url":"https://api.github.com/users/yaoqi-zd/gists{/gist_id}","starred_url":"https://api.github.com/users/yaoqi-zd/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yaoqi-zd/subscriptions","organizations_url":"https://api.github.com/users/yaoqi-zd/orgs","repos_url":"https://api.github.com/users/yaoqi-zd/repos","events_url":"https://api.github.com/users/yaoqi-zd/events{/privacy}","received_events_url":"https://api.github.com/users/yaoqi-zd/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-07-19T01:55:55Z","updated_at":"2016-07-19T01:55:55Z","closed_at":null,"body":"I'm running matconvnet with vlfeat 0.9.20 and I attempt to use vl_slic to get superpixels. While this function works fine in the CPU mode, when I turn to GPU mode in matconvnet, the vl_slic shows \"IMAGE is not a real matrix\" but I have checked the input matrix with function isreal and isnumeric,the output are all true. I'm confused. any suggestions? thanks in advance!"}}
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