Highlights

1. Upgrade to use MMCV-full >= 1.3.8 and MMDetection >= 2.13.0 for latest features
2. Add ONNX and TensorRT export tool, supporting the deployment of DBNet, PSENet, PANet and CRNN (experimental) #278, #291, #300, #328
3. Unified parameter initialization method which uses init_cfg in config files #365

New Features

• Support TextOCR dataset #293
• Support Total-Text dataset #266, #273, #357
• Support grouping text detection box into lines #290, #304
• Add benchmark_processing script that benchmarks data loading process #261
• Add SynthText preprocessor for text recognition models #351, #361
• Support batch inference during testing #310
• Add user-friendly OCR inference script #366

Bug Fixes

• Fix improper class ignorance in SDMGR Loss #221
• Fix potential numerical zero division error in DRRG #224
• Fix installing requirements with pip and mim #242
• Fix dynamic input error of DBNet #269
• Fix space parsing error in LineStrParser #285
• Fix textsnake decode error #264
• Correct isort setup #288
• Fix a bug in SDMGR config #316
• Fix kie_test_img for KIE nonvisual #319
• Fix metafiles #342
• Fix different device problem in FCENet #334
• Ignore improper tailing empty characters in annotation files #358
• Docs fixes #247, #255, #265, #267, #268, #270, #276, #287, #330, #355, #367
• Fix NRTR config #356, #370

Improvements

• Add backend for resizeocr #244
• Skip image processing pipelines in SDMGR novisual #260
• Speedup DBNet #263
• Update mmcv installation method in workflow #323
• Add part of Chinese documentations #353, #362
• Add support for ConcatDataset with two workflows #348
• Add list_from_file and list_to_file utils #226
• Speed up sort_vertex #239
• Support distributed evaluation of KIE #234
• Add pretrained FCENet on IC15 #258
• Support CPU for OCR demo #227
• Avoid extra image pre-processing steps #375