* Add VOT models (#4257)
* First version for VOT models.
* Include SiamFC and ATOM.
* A unified architecture for ATOM and Siames series models.
* update vot code (#4338)
* [VOT]Remove local.py generate step, add tracking gif to README (#4344)
* update vot code
* remove local.py generate step, add tracking gif to README
* fix word usage in readme
* add got10k download website
* add pip install paddlepaddle-gpu
* fix word usage

* Update README.md (#4267)

* test=develop (#4269)

* 3d use new api (#4275)

* PointNet++ and PointRCNN use new API

* Update Readme of Dygraph BERT (#4277)

Fix some typos.

* Update run_classifier_multi_gpu.sh (#4279)

remove the CUDA_VISIBLE_DEVICES

* Update README.md (#4280)

* 17 update api (#4294)

* update1.7 save/load & fluid.data

* update datafeed to dataloader

* Update resnet_acnet.py (#4297)

Bias attr of square conv should be "False" rather than None during training mode.

* test=develop
Co-authored-by: NKaipeng Deng <dengkaipeng@baidu.com>
Co-authored-by: Nzhang wenhui <frankwhzhang@126.com>
Co-authored-by: Nparap1uie-s <parap1uie-s@users.noreply.github.com>

* update new API for ocr
* fix the code style

* sync_1.7

* update save

* PointNet++ and PointRCNN use new API

* fix multi-card multi-process bug

delete bak files for SemSegPaddle

* add the fp16 support for ResNet50

* add docs for AMP.

* add pwcnet

* add SemSegPaddle

* update README.md

* add rrpn for models

* fix elementwise

* fix_pix2pix

* fix reader

* modify ce for deeplabv3+

modify ce for auto_dialogue_evaluation

add ce for human_pose_estimation

* modify gru4rec ce

* support out json in eval and add exclude fc params in finetune

* fix cpu bug

* add prediction file

* modify prepocess

* add assertion