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OCR: Tesseract.js and Tesseract.js-core 7.0.0, Apache-2.0. Language weights: tesseract-ocr/tessdata_fast, pinned commit 87416418657359cb625c412a48b6e1d6d41c29bd, Apache-2.0.
Background removal: U2NETP by Xuebin Qin et al. / U-2-Net, Apache-2.0; ONNX export distributed by rembg (MIT). Model MD5: 8e83ca70e441ab06c318d82300c84806. ONNX Runtime Web 1.31.1, Microsoft, MIT.
Upscaling: UpscalerJS 1.0.0 and ESRGAN-Slim 1.0.0 models, Kevin Scott, MIT. TensorFlow.js 4.11.0, Google, Apache-2.0.

Complete license texts are included in this directory. The source asset URLs and SHA-256 hashes are recorded in scripts/ai-assets-lock.json in the maintained project.
Models are approximate; users should review results. No user images or documents are sent to these upstream projects.