GitLab

* Fix potential interger overflow in `imequalize`.

* Modify imequalize unit test image size to generate potential integer
overflow.

* add cutout

* add adjust_lighting

* minor fix

* support auto contrast

* add comments

* Fix unittest for pillow 6.2.2

* revised according to comments

* add adjust sharpness

* revised according to commnts

* fix bug

* fix docstring

* revise according to comments

* fix blank lines

* revised according to comments

* add CLAHE

* add CLAHE

* restore

* Add docstring

* modify docstring

* modify CLAHE to clahe

* fix syntax error

* simplify assert

* simplify assert

* add assert test

* fix unittest bug

* fix syntax bug

* fix assert bug

* add lut_transform

* restore

* fix test bug

* add test

* Fix syntax bug

* Delete test id

* modfiy docstrinng

* simplify assert

* add brightness and contrast augmentation

* remove unnecessary

* reformat

* relax the precision constrain for adjust_brightness aug

* fix percision assertion error in unit test

* remove toy

* rename alpha as factor

* use np.testing.assert_allclose in place of np.less_equal

* add equalize augmentation in mmcv

* delete unnecessary

* reformat

* remove clip in implementing equalize, and add uint test with case step=0

* remove clip in implementing equalize, and add uint test with case step=0

* add comments for unit test

* rename function name as imequalize

* add Color augmentation

* reformat

* reformat

* reformat docstring

* reformat docstring

* add more unit test

* add more unit test

* add clip value and uint test for image with type float

* rename function name

* refactor unittests

* split test_video.py to two files