yamengxi 7c68bca595
[Feature] Add Rgb2Gray transform (#227)
* add transformer Rgb2Gray

* restore

* fix self.weights

* restore

* fix code

* restore

* fix syntax error

* restore
2020-11-08 23:23:34 -08:00
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2020-07-10 02:39:01 +08:00
2020-07-10 02:39:01 +08:00
2020-07-10 16:55:47 +08:00
2020-07-10 02:39:01 +08:00