Pin pypdfium2

Pin pypdfium2 version - newest version can cause issues.

New layout model

Layout model is twice as fast and more accurate.

What's Changed

• Update layout model by @VikParuchuri in #270

Full Changelog: v0.8.1...v0.8.2

Add bad OCR detection model

• Add a model to detect bad OCR text
• Add top_k predictions to layout
• Add in test suite

What's Changed

• Add OCR Error Detection Model by @tarun-menta in #261
• Add top_k to Surya Layout and Fix Confidence Value Issue by @iammosespaulr in #263
• Bad OCR detection model by @VikParuchuri in #268

New Contributors

• @tarun-menta made their first contribution in #261

Full Changelog: v0.8.0...v0.8.1

Surya Bugfixes and Improvements to `pdftext`

Update to the latest pdftext release, incorporating heuristic-based segmentation for enhanced performance and accuracy.

Full Changelog: v0.7.0...v0.8.0

New layout model

• New layout model that detects more block types, includes ordering, and performs better
• Remove ordering model
• Refactor internals to use common model definitions and processors
• Add flags for easier compilation

What's Changed

• Fix detection results being mutated in place by @iammosespaulr in #236
• Add support for compiled inference by @iammosespaulr in #237
• Dev by @VikParuchuri in #243
• Layout2 by @VikParuchuri in #249
• New layout model by @VikParuchuri in #252

Full Changelog: v0.6.13...v0.7.0

Performance Improvements

• Don't pass around heatmaps by default
• Use threadpool vs processpool
• Optimize fn for postprocessing

Flatten table form fields, overlap postprocessing

• Overlap postprocessing if batch size >1
• Flatten in form fields with tables

Transformers 4.46, torch 2.5 fixes

• Fixes cudnn backend issue with torch 2.5
• Fixes issue with sdpa and transformers 4.46
• Flatten form fields into pdf by default for table rec

Threads

Threads cause issues on a small % of devices. Although they do give good speedups on most, supporting them seems like a bad idea.

Layout and detection speedup

Corrected version of a recent release with no deadlocks.

• Layout 30% faster
• Text detection 20% faster

Overlaps inference and postprocessing.