6235280c45
- Layout: PP-DocLayout-S → PP-DocLayout_plus-L (83.2% mAP) - Table: Single model → Dual SLANeXt (wired/wireless) - Formula: PP-FormulaNet_plus-L for enhanced recognition - Add preprocessing flags support (orientation, unwarping) - Update frontend i18n descriptions 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
57 lines
2.7 KiB
Markdown
57 lines
2.7 KiB
Markdown
## ADDED Requirements
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### Requirement: PP-StructureV3 Configuration
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The system SHALL configure PP-StructureV3 with the following settings:
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**Preprocessing (Stage 1):**
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- Document orientation classification MUST be enabled (`use_doc_orientation_classify=True`)
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- Document unwarping MUST be enabled (`use_doc_unwarping=True`)
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- Textline orientation detection MUST be enabled (`use_textline_orientation=True`)
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**Layout Detection (Stage 3):**
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- The `chinese` layout model option SHALL use PP-DocLayout_plus-L (83.2% mAP)
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- The `default` layout model option SHALL use PubLayNet for English documents
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- The `cdla` layout model option SHALL use picodet_lcnet_x1_0_fgd_layout_cdla
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**Element Recognition (Stage 4):**
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- Table structure recognition SHALL use SLANeXt_wired and SLANeXt_wireless models (69.65% combined accuracy)
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- Formula recognition SHALL use PP-FormulaNet_plus-L (92.22% English, 90.64% Chinese BLEU)
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- Chart parsing SHALL use PP-Chart2Table
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- Seal recognition SHALL use PP-OCRv4_seal
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#### Scenario: Processing rotated scanned document
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- **WHEN** a PDF document with rotated pages is processed using OCR track
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- **THEN** the system SHALL automatically detect and correct the orientation before OCR processing
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#### Scenario: Processing complex Chinese document with tables
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- **WHEN** a Chinese document containing tables, images, and formulas is processed
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- **AND** the user selects "chinese" layout model
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- **THEN** the system SHALL use PP-DocLayout_plus-L for layout detection (83.2% mAP)
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- **AND** the system SHALL correctly identify table regions
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#### Scenario: Table structure recognition with wired tables
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- **WHEN** a document contains wired (bordered) tables
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- **THEN** the system SHALL use SLANeXt_wired model for structure recognition
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- **AND** output correct HTML table structure with proper row/column spanning
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#### Scenario: Table structure recognition with wireless tables
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- **WHEN** a document contains wireless (borderless) tables
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- **THEN** the system SHALL use SLANeXt_wireless model for structure recognition
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#### Scenario: Chinese formula recognition
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- **WHEN** a document contains mathematical formulas with Chinese characters
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- **THEN** the system SHALL use PP-FormulaNet_plus-L for recognition
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- **AND** output LaTeX code with correct Chinese character representation
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## ADDED Requirements
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### Requirement: Model Cache Cleanup
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The system SHALL provide documentation for cleaning up unused model caches to optimize storage space.
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#### Scenario: User wants to free disk space after model upgrade
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- **WHEN** the user has upgraded from older models (PP-DocLayout-S, SLANet) to newer models
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- **THEN** the documentation SHALL explain how to delete unused cached models from `~/.paddlex/official_models/`
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- **AND** list which model directories can be safely removed
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