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黄仁欢 6c5f9e0489 feat(ocr): add PaddleOCRVL timeout protection and improve OCR accuracy 
Major improvements to batch OCR testing script:

1. PaddleOCRVL Timeout Protection
   - Add multiprocessing-based timeout mechanism (default: 60s, configurable up to 300s)
   - Prevents indefinite hangs when PaddleOCRVL encounters problematic seal images
   - Added _run_ocr_vl_wrapper() function for subprocess execution
   - All PaddleOCRVL calls now use PADDLEOCRVL_TIMEOUT global variable

2. Command-Line Arguments
   - --paddleocrvl-timeout: Set custom timeout in seconds (default: 60, recommended: 300)
   - --disable-paddleocrvl: Skip PaddleOCRVL initialization for faster testing

3. CMA Template Matching Improvements
   - Change matching method from TM_CCOEFF_NORMED to TM_CCORR_NORMED
   - Add position filtering (upper 60% of page only)
   - Prevents false matches in footer areas

4. OCR Result Validation
   - Add robust handling for different PaddleOCR API response formats
   - Improved error handling for edge cases
   - Better CMA code extraction with 11-12 digit pattern matching

5. Bug Fixes
   - Fixed IndexError when processing OCR results with inconsistent formats
   - Improved text cleaning for CMA code extraction
   - Added validation for OCR data structures

Performance:
- CMA accuracy: 85-100% (depending on PDF quality)
- Institution accuracy: 27-100% (improved with seal OCR validation)
- Average processing time: 18-35 seconds per PDF

Related files:
- test_paddleocrvl_timeout.py: Timeout mechanism verification
- PADDLEOCRVL_TIMEOUT_FIX_SUMMARY.md: Detailed implementation guide
- PADDLEOCRVL_5MIN_TIMEOUT_GUIDE.md: Usage guide for 5-min timeout

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 		2026-03-03 14:26:46 +08:00
data 暂存 2026-02-05 13:57:22 +08:00
report_viz 暂存 2026-02-05 13:57:22 +08:00
scripts 暂存 2026-02-05 13:57:22 +08:00
src Checkpoint before ONNX migration 2026-02-09 09:43:28 +08:00
temp_classpath 暂存 2026-02-05 13:57:22 +08:00
.gitignore Checkpoint before ONNX migration 2026-02-09 09:43:28 +08:00
BUILD_REPORT.md feat(ocr): integrate Python test script improvements for 85% parity 2026-02-08 15:22:50 +08:00
COMPREHENSIVE_REPORT.md feat(ocr): integrate Python test script improvements for 85% parity 2026-02-08 15:22:50 +08:00
DJL_UPGRADE_ATTEMPT_REPORT.md feat(djl): attempt upgrade to DJL 0.27.0 to fix PaddlePaddle crashes 2026-02-09 00:04:40 +08:00
IMPLEMENTATION_SUMMARY.md feat(ocr): integrate Python test script improvements for 85% parity 2026-02-08 15:22:50 +08:00
INTEGRATION_GUIDE.md feat(ocr): integrate Python test script improvements for 85% parity 2026-02-08 15:22:50 +08:00
INTEGRATION_TEST_REPORT.md feat(ocr): integrate Python test script improvements for 85% parity 2026-02-08 15:22:50 +08:00
ManualTest.java 暂存 2026-02-05 13:57:22 +08:00
PADDLEOCRVL_INTEGRATION.md feat: integrate PaddleOCRVL for seal text recognition 2026-02-07 14:03:10 +08:00
README.md feat: implement RBAC with Sa-Token, institution switch, and backend integration tests 2026-01-28 16:15:09 +08:00
cma_extraction_template_primary.py fix(cma): implement robust CMA code extraction with fallback mechanism 2026-02-16 14:16:34 +08:00
jar_paths.txt 暂存 2026-02-05 13:57:22 +08:00
pom.xml Checkpoint before ONNX migration 2026-02-09 09:43:28 +08:00
reply.md 暂存 2026-02-05 13:57:22 +08:00
res.json 暂存 2026-02-05 13:57:22 +08:00
run_reference_test.bat 暂存 2026-02-05 13:57:22 +08:00
run_test.bat 暂存 2026-02-05 13:57:22 +08:00
run_test_v2.bat 暂存 2026-02-05 13:57:22 +08:00
run_viz_report.bat 暂存 2026-02-05 13:57:22 +08:00
settings.xml Checkpoint before ONNX migration 2026-02-09 09:43:28 +08:00
test_accuracy_batch_full.py feat(ocr): add PaddleOCRVL timeout protection and improve OCR accuracy 2026-03-03 14:26:46 +08:00
test_paddleocr_vl_quick.py feat: integrate PaddleOCRVL for seal text recognition 2026-02-07 14:03:10 +08:00
v_verify_logic.py 暂存 2026-02-05 13:57:22 +08:00
测试结果汇总.txt feat(ocr): integrate Python test script improvements for 85% parity 2026-02-08 15:22:50 +08:00

README.md

Report Detection Backend

Java-based backend system for automated report validation and comparison using OCR.

Technology Stack

  • Core: Java 8 (Spring Boot 2.7.18)
  • Security: Sa-Token (RBAC, Session Management)
  • OCR Engine: PaddleOCR (via DJL - Deep Java Library)
  • Database: PostgreSQL (with Dynamic Datasource support)
  • Build Tool: Maven

Features

  • RBAC Implementation: Multi-role support (ADMIN, AUDITOR, USER) with uppercase standardization.
  • Sa-Token Security: Annotation-based permission checks and secure login.
  • Auditor Context Switch: Specialized feature for Auditors to switch between institutional views.
  • PDF Processing: Automatic conversion of PDF reports to images for OCR analysis.
  • Automated Verification: Integration tests using H2 in-memory database.

Getting Started

Prerequisites

  • JDK 8 or 17
  • Maven 3.6+
  • PostgreSQL (optional for local dev if using H2 profile)

Run the Application

mvn clean package
java -jar target/report-detect-backend-1.0.0.jar

Run Tests

mvn test -Dtest=SecurityRBACVerificationTest

Security Configuration

Default accounts created on initialization:

  • admin / 123456 (ADMIN)
  • auditor / 123456 (AUDITOR)
  • user / 123456 (USER)