{"action":"created","issue":{"url":"https://api.github.com/repos/facebook/fb.resnet.torch/issues/30","repository_url":"https://api.github.com/repos/facebook/fb.resnet.torch","labels_url":"https://api.github.com/repos/facebook/fb.resnet.torch/issues/30/labels{/name}","comments_url":"https://api.github.com/repos/facebook/fb.resnet.torch/issues/30/comments","events_url":"https://api.github.com/repos/facebook/fb.resnet.torch/issues/30/events","html_url":"https://github.com/facebook/fb.resnet.torch/issues/30","id":148707058,"number":30,"title":"How to implement the random lighting noise in datasets/transforms.lua?","user":{"login":"bryanyzhu","id":16021460,"avatar_url":"https://avatars.githubusercontent.com/u/16021460?v=3","gravatar_id":"","url":"https://api.github.com/users/bryanyzhu","html_url":"https://github.com/bryanyzhu","followers_url":"https://api.github.com/users/bryanyzhu/followers","following_url":"https://api.github.com/users/bryanyzhu/following{/other_user}","gists_url":"https://api.github.com/users/bryanyzhu/gists{/gist_id}","starred_url":"https://api.github.com/users/bryanyzhu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bryanyzhu/subscriptions","organizations_url":"https://api.github.com/users/bryanyzhu/orgs","repos_url":"https://api.github.com/users/bryanyzhu/repos","events_url":"https://api.github.com/users/bryanyzhu/events{/privacy}","received_events_url":"https://api.github.com/users/bryanyzhu/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2016-04-15T16:31:44Z","updated_at":"2016-04-15T18:12:10Z","closed_at":"2016-04-15T18:12:09Z","body":"Hi everybody, I was curious how to implement the random lighting noise(alexnet style) in datasets/transforms.lua. Specifically, how to get the pca eigenvalue and vectors for another dataset. like what is the dimension of the input matrix that lead to a 3X3 covariance matrix? Thanks. Any details would do. "},"comment":{"url":"https://api.github.com/repos/facebook/fb.resnet.torch/issues/comments/210570035","html_url":"https://github.com/facebook/fb.resnet.torch/issues/30#issuecomment-210570035","issue_url":"https://api.github.com/repos/facebook/fb.resnet.torch/issues/30","id":210570035,"user":{"login":"bryanyzhu","id":16021460,"avatar_url":"https://avatars.githubusercontent.com/u/16021460?v=3","gravatar_id":"","url":"https://api.github.com/users/bryanyzhu","html_url":"https://github.com/bryanyzhu","followers_url":"https://api.github.com/users/bryanyzhu/followers","following_url":"https://api.github.com/users/bryanyzhu/following{/other_user}","gists_url":"https://api.github.com/users/bryanyzhu/gists{/gist_id}","starred_url":"https://api.github.com/users/bryanyzhu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bryanyzhu/subscriptions","organizations_url":"https://api.github.com/users/bryanyzhu/orgs","repos_url":"https://api.github.com/users/bryanyzhu/repos","events_url":"https://api.github.com/users/bryanyzhu/events{/privacy}","received_events_url":"https://api.github.com/users/bryanyzhu/received_events","type":"User","site_admin":false},"created_at":"2016-04-15T18:12:09Z","updated_at":"2016-04-15T18:12:09Z","body":"@colesbury Thanks a lot, that's also the way I think, but I will still try to see if it helps. "}}