{"action":"created","issue":{"url":"https://api.github.com/repos/BVLC/caffe/issues/2074","labels_url":"https://api.github.com/repos/BVLC/caffe/issues/2074/labels{/name}","comments_url":"https://api.github.com/repos/BVLC/caffe/issues/2074/comments","events_url":"https://api.github.com/repos/BVLC/caffe/issues/2074/events","html_url":"https://github.com/BVLC/caffe/issues/2074","id":60297034,"number":2074,"title":"conv_layer parameter: group ","user":{"login":"jeehye","id":10172197,"avatar_url":"https://avatars.githubusercontent.com/u/10172197?v=3","gravatar_id":"","url":"https://api.github.com/users/jeehye","html_url":"https://github.com/jeehye","followers_url":"https://api.github.com/users/jeehye/followers","following_url":"https://api.github.com/users/jeehye/following{/other_user}","gists_url":"https://api.github.com/users/jeehye/gists{/gist_id}","starred_url":"https://api.github.com/users/jeehye/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jeehye/subscriptions","organizations_url":"https://api.github.com/users/jeehye/orgs","repos_url":"https://api.github.com/users/jeehye/repos","events_url":"https://api.github.com/users/jeehye/events{/privacy}","received_events_url":"https://api.github.com/users/jeehye/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-03-09T04:24:19Z","updated_at":"2015-04-27T08:29:59Z","closed_at":"2015-04-27T08:29:59Z","body":"I tried to use group parameter in convolution layer\r\n\r\nI have 2 input channels and want to get 8 output channels.\r\nThen, input channel 1 make output channels 1-4 into the first group \r\nand input channel 2 make output channels 5-8 into the second group.\r\nIn this case, output channel 1 and 5 use same convolution filter??\r\n"},"comment":{"url":"https://api.github.com/repos/BVLC/caffe/issues/comments/96559163","html_url":"https://github.com/BVLC/caffe/issues/2074#issuecomment-96559163","issue_url":"https://api.github.com/repos/BVLC/caffe/issues/2074","id":96559163,"user":{"login":"shelhamer","id":311113,"avatar_url":"https://avatars.githubusercontent.com/u/311113?v=3","gravatar_id":"","url":"https://api.github.com/users/shelhamer","html_url":"https://github.com/shelhamer","followers_url":"https://api.github.com/users/shelhamer/followers","following_url":"https://api.github.com/users/shelhamer/following{/other_user}","gists_url":"https://api.github.com/users/shelhamer/gists{/gist_id}","starred_url":"https://api.github.com/users/shelhamer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/shelhamer/subscriptions","organizations_url":"https://api.github.com/users/shelhamer/orgs","repos_url":"https://api.github.com/users/shelhamer/repos","events_url":"https://api.github.com/users/shelhamer/events{/privacy}","received_events_url":"https://api.github.com/users/shelhamer/received_events","type":"User","site_admin":false},"created_at":"2015-04-27T08:29:59Z","updated_at":"2015-04-27T08:29:59Z","body":"Search for past issues on group convolution for an explanation. `group: 2` means that the first half of the input channels are connected to the first half of the output channels and likewise for the second halves of the input and output channels."}}