fix & refactor & docs：update ocr logic and installation guides #88
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myhloli
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Aug 12, 2024
myhloli
commented
- refactor(extract_pdf): When converting a PDF to a list of images, don’t perform a BGR channel conversion upfront.
- refactor(self_modify): refine text and formula detection box updating logic
- refactor(pdf_extract): optimize image processing and table recognition
- refactor(pdf_extract): remove hardcoded paste values in crop_img function
- fix(extract_pdf): prevent overscaling of large images
- fix(pdf_extract): optimize batch size and worker count for DataLoader
- docs: update installation guides and requirements
…not perform a BGR channel conversion upfront.
Update the logic for merging and refining detection boxes in self_modify module. Replace hardcoded checks with dynamic calculations for determining overlapping regions, resulting in more accurate detection box merging when formulae are identified within texts.
Reduce the batch size from 128 to 64 and set the number of workers to 0 in the DataLoaderto improve stability and performance on systems with limited resources. refactor(pdf_extract): refactor ocr and table recognition logicRefactor the ocr and table recognition logic to enhance readability and maintainability.This includes the adjustment of formula recognition coordinates relative to the cropped image and streamlining the process for handling OCR results and table recognition.
- Rename loop variable 'idx' to 'pdf_idx' for clarity.- Adjust image pasting and coordinate handling during OCR processing.- Add comments for improved code understanding.- Ensure proper rendering of images during PDF visualization. - Refactor logging and utility imports in self_modify module. The changes include improvements to image processing routines, better variable naming, and streamlined table recognition logic. Also, the visualization process has been tweaked to handle images more accurately. Additionally, redundant logging and utility importshave been cleaned up in the self_modify module to declutter the codebase.
refactor ocr and table recognition logic
…tion The crop_img function now accepts `crop_paste_x` and `crop_paste_y` as parameters instead of using hardcoded values. This change makes the function more flexible andeasier to adjust for different use cases.
refactor(pdf_extract): remove hardcoded paste values in crop_img function
Adjust the condition to prevent images from being enlarged beyond a width or height of 9000 pixels, ensuring large images do not become overly large when processed. This change avoids unnecessary resource consumption and potential performance issues when handling scaled images.
修复（extract_pdf）：防止大图像的过度缩放
- Update the installation guides for macOS and Windows with new commands and simplified dependency installation. - Add new installation guide for Linux. - Modify requirements for CPU and GPU environments, including updates to `unimernet`, `matplotlib`, and `paddlepaddle`. - Provide precompiled wheels for `detectron2` in the installation process.
docs: update installation guides and requirements
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