添加ocr模块相关配置

* Add mobilenet v3

* Update config

* add 0.00001 to denominator when computing loss

* use DEFAULT_EPSILON

* modify label tool

* update model save load

* first add

* update model save and load

* update train.py

* update LaneNet model saving and loading

* adapt slim to paddle-1.8

* update distillation save and load

* update nas model save and load

* update model load op

* update utils.py

* update load_model_utils.py

* update model saving and loading

* update copyright

* update palette.py

* update model save load

* first add

* update model save and load

* update train.py

* update LaneNet model saving and loading

* adapt slim to paddle-1.8

* update distillation save and load

* update nas model save and load

* update model load op

* update utils.py

* update load_model_utils.py

* update model saving and loading

* update *_batch_size_like ops

* remove the preprocess and postprocess of model exporting

* modify label tool

* fix label tools bug

* add RemoteSensing

* optimize data clip and normalize method for remote sensing

* fix label problem using mobile devices

* add README.md

* polish README.md, optimize main.py and transforms.py, add transforms.md

* add demo dataset

* add create_dataset_list tool, requirements.txt

* add channel-by-channel normalize and clip, remove RemoteSensing import

* update vdl to 2.0

* polish README

* add tool to randomly split dataset and generate file list

* open eval_best_metric while traing, fix typo

* remove python2.7 ci

* add_vdl

* Update docs for visualdl.

* modify label tool

* add lovasz loss

* lovasz

* model builder

* test

* lovasz

* update lovasz

* update lovasz

* add sh yaml

* add sh yaml

* add sh yaml

* no per_image and device_guard

* no per_image and device_guard

* Update lovasz_loss.md

* Update lovasz_loss.md

* Update lovasz_loss.md

* Update lovasz_loss.md

* Update lovasz_loss.md

* elementwise_mul replace matmul

* save inference model

* fix details

* add export model in quantization

* remove useless code

* remove useless code

* change fluid.layers.data to fluid.data

* release change log

* update readme

* update readme

* upload fast-scnn image

* update readme

* update readme

* replace fluid.layers.data

* update api fluid.data and fluid.io.DataLoader
Co-authored-by: NLielinJiang <jianglielin@baidu.com>
Co-authored-by: NLielinJiang <50691816+LielinJiang@users.noreply.github.com>

* add profiler for models