{"action":"opened","issue":{"url":"https://api.github.com/repos/nywang16/Pixel2Mesh/issues/30","repository_url":"https://api.github.com/repos/nywang16/Pixel2Mesh","labels_url":"https://api.github.com/repos/nywang16/Pixel2Mesh/issues/30/labels{/name}","comments_url":"https://api.github.com/repos/nywang16/Pixel2Mesh/issues/30/comments","events_url":"https://api.github.com/repos/nywang16/Pixel2Mesh/issues/30/events","html_url":"https://github.com/nywang16/Pixel2Mesh/issues/30","id":382520728,"node_id":"MDU6SXNzdWUzODI1MjA3Mjg=","number":30,"title":"About the projection layer","user":{"login":"blister1824","id":16068207,"node_id":"MDQ6VXNlcjE2MDY4MjA3","avatar_url":"https://avatars2.githubusercontent.com/u/16068207?v=4","gravatar_id":"","url":"https://api.github.com/users/blister1824","html_url":"https://github.com/blister1824","followers_url":"https://api.github.com/users/blister1824/followers","following_url":"https://api.github.com/users/blister1824/following{/other_user}","gists_url":"https://api.github.com/users/blister1824/gists{/gist_id}","starred_url":"https://api.github.com/users/blister1824/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/blister1824/subscriptions","organizations_url":"https://api.github.com/users/blister1824/orgs","repos_url":"https://api.github.com/users/blister1824/repos","events_url":"https://api.github.com/users/blister1824/events{/privacy}","received_events_url":"https://api.github.com/users/blister1824/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-11-20T06:35:43Z","updated_at":"2018-11-20T06:35:43Z","closed_at":null,"author_association":"NONE","body":"I think in the projection layer, the discrete operation rasterization is not differentiable, so BP is prevented and i wonder know how to update the variables in the image convolution layer?"}}
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