Shijie

Results 8 issues of Shijie

feature
eager
op
api

Including the correct gaussian kernel, conv computation and some small bugs. Also replace scipy to skimage.io.

Fix all bugs in ssd data augment. Add a test case. Hack random_seed_util.cpp for passing the test case.

enhancement
bug

add BrightnessContrast image augmentation. From tensorbuffer to tensorbuffer. ref: https://docs.nvidia.com/deeplearning/dali/user-guide/docs/supported_ops.html#nvidia.dali.ops.BrightnessContrast

enhancement
op

add HSV image augmentation. From tensorbuffer to tensorbuffer. ref: https://docs.nvidia.com/deeplearning/dali/user-guide/docs/supported_ops.html#nvidia.dali.ops.Hsv

enhancement
op

# What does this PR do? Fixes # (issue) ## Before submitting - [ ] This PR fixes a typo or improves the docs (you can dismiss the other checks...

New model