{"action":"created","issue":{"url":"https://api.github.com/repos/apache/incubator-mxnet/issues/8474","repository_url":"https://api.github.com/repos/apache/incubator-mxnet","labels_url":"https://api.github.com/repos/apache/incubator-mxnet/issues/8474/labels{/name}","comments_url":"https://api.github.com/repos/apache/incubator-mxnet/issues/8474/comments","events_url":"https://api.github.com/repos/apache/incubator-mxnet/issues/8474/events","html_url":"https://github.com/apache/incubator-mxnet/issues/8474","id":269622618,"number":8474,"title":"How to train invariable input shape CNN?","user":{"login":"chenbiaolong","id":9475734,"avatar_url":"https://avatars1.githubusercontent.com/u/9475734?v=4","gravatar_id":"","url":"https://api.github.com/users/chenbiaolong","html_url":"https://github.com/chenbiaolong","followers_url":"https://api.github.com/users/chenbiaolong/followers","following_url":"https://api.github.com/users/chenbiaolong/following{/other_user}","gists_url":"https://api.github.com/users/chenbiaolong/gists{/gist_id}","starred_url":"https://api.github.com/users/chenbiaolong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/chenbiaolong/subscriptions","organizations_url":"https://api.github.com/users/chenbiaolong/orgs","repos_url":"https://api.github.com/users/chenbiaolong/repos","events_url":"https://api.github.com/users/chenbiaolong/events{/privacy}","received_events_url":"https://api.github.com/users/chenbiaolong/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-10-30T14:36:00Z","updated_at":"2017-10-31T01:51:25Z","closed_at":null,"author_association":"NONE","body":"I define a CNN network that can process invariable input images, but can't find an example to learn how to train it. All I found is a `MutableModule` find in `example/rcnn`,it rebind the module when the shape changed.But after I implement the DataIter of my dataset, it seems that it failed to update the params, the accuracy didn't increase after several epochs. Any one can give an example?\r\n"},"comment":{"url":"https://api.github.com/repos/apache/incubator-mxnet/issues/comments/340635898","html_url":"https://github.com/apache/incubator-mxnet/issues/8474#issuecomment-340635898","issue_url":"https://api.github.com/repos/apache/incubator-mxnet/issues/8474","id":340635898,"user":{"login":"solin319","id":13029886,"avatar_url":"https://avatars1.githubusercontent.com/u/13029886?v=4","gravatar_id":"","url":"https://api.github.com/users/solin319","html_url":"https://github.com/solin319","followers_url":"https://api.github.com/users/solin319/followers","following_url":"https://api.github.com/users/solin319/following{/other_user}","gists_url":"https://api.github.com/users/solin319/gists{/gist_id}","starred_url":"https://api.github.com/users/solin319/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/solin319/subscriptions","organizations_url":"https://api.github.com/users/solin319/orgs","repos_url":"https://api.github.com/users/solin319/repos","events_url":"https://api.github.com/users/solin319/events{/privacy}","received_events_url":"https://api.github.com/users/solin319/received_events","type":"User","site_admin":false},"created_at":"2017-10-31T01:51:25Z","updated_at":"2017-10-31T01:51:25Z","author_association":"CONTRIBUTOR","body":"When rebind the module, make sure arg_params and aux_params are passed to new module."}}
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