Commit Graph

5 Commits (5245edb0a0964ed71dff8272d013d10a56acdb9e)

Author SHA1 Message Date
sennnnn 2a9bf2d21b [Fix] Fix some vit init bugs (#609)
* [Fix] Fix vit init bug

* Add some vit unit tests

* Modify module import

* Fix pretrain weights bug

* Modify pretrained judge

* Add some unit tests to improve code cov

* Optimize code

* Fix vit unit test
2021-06-19 15:53:13 -07:00
sennnnn c01abb4f30 [Refactor] Using mmcv transformer bricks to refactor vit. (#571)
* [Refactor] Using mmcv bricks to refactor vit

* Follow the vit code structure from mmclassification

* Add MMCV install into CI system.

* Add  to 'Install MMCV' CI item

* Add 'Install MMCV_CPU' and 'Install MMCV_GPU CI' items

* Fix & Add

1. Fix low code coverage of vit.py;

2. Remove HybirdEmbed;

3. Fix doc string of VisionTransformer;

* Add helpers unit test.

* Add converter to convert vit pretrain weights from timm style to mmcls style.

* Clean some rebundant code and refactor init

1. Use timm style init_weights;

2. Remove to_xtuple and trunc_norm_;

* Add comments for VisionTransformer.init_weights()

* Add arg: pretrain_style to choose timm or mmcls vit pretrain weights.
2021-06-17 10:41:25 -07:00
sennnnn 5c195db1bd Add option for output shape of ViT (#530)
* Add arg: final_reshape to control if converting output feature information from NLC to NCHW;

* Fix the default value of final_reshape;

* Modify arg: final_reshape to arg: out_shape;

* Fix some unit test bug;
2021-05-05 22:49:28 -07:00
sennnnn c27ef91942 Adjust vision transformer backbone architectures (#524)
* Adjust vision transformer backbone architectures;

* Add DropPath, trunc_normal_ for VisionTransformer implementation;

* Add class token buring intermediate period and remove it during final period;

* Fix some parameters loss bug;

* * Store intermediate token features and impose no processes on them;

* Remove class token and reshape entire token feature from NLC to NCHW;

* Fix some doc error

* Add a arg for VisionTransformer backbone to control if input class token into transformer;

* Add stochastic depth decay rule for DropPath;

* * Fix output bug when input_cls_token=False;

* Add related unit test;

* * Add arg: out_indices to control model output;

* Add unit test for DropPath;

* Apply suggestions from code review

Co-authored-by: Jerry Jiarui XU <xvjiarui0826@gmail.com>
2021-04-30 10:37:47 -07:00
谢昕辰 b379b5a5b3 support transformer backbone (#465)
* vit backbone

* fix lint

* add docstrings and fix pretrained pos_embed dim not match prob

* add unittest for vit

* fix lint

* add vit based fcn configs

* fix import error

* support multiple resolution input images

* upsample pos_embed at init_weights

* support resize pos_embed at evaluation

* fix training errors

* add more unitest code for vit backbone

* unitest for uncovered code

* add norm_eval unittest

* refactor _pos_embeding

* minor change

* change var name

* rafactor init_weight

* load weights after resize

* ignore 'module' in pretrain checkpoint

* add with_cp

* add with_cp

Co-authored-by: Jiarui XU <xvjiarui0826@gmail.com>
2021-04-21 20:19:55 -07:00