What's Changed

• Fixed bug getting boolean values per naptha/tesseract.js#907 (d19b54d)

Full Changelog: v5.1.0...v5.1.1

What's Changed

• Added getRowAttributes function for getting row height/ascenders/descenders

Full Changelog: v5.0.0...v5.1.0

What's Changed

• Added LSTM-only builds
  • These builds can be identified by lstm in the name, and only support the (default) Tesseract LSTM model (and not Tesseract Legacy)
  • These builds are ~0.75MB smaller, with no downside for most users (who only use the LSTM model to begin with)
• Various changes to developer scripts/dependencies

Full Changelog: v4.0.4...v5.0.0

• Improved auto-rotate feature (naptha/tesseract.js#747)
  • Replaced GetAngle with GetGradient, which estimates the page angle more accurately
• Renamed wasm module from TesseractCoreWASM to TesseractCore to allow for using separate .js/.wasm files (naptha/tesseract.js#732)

Full Changelog: v4.0.3...v4.0.4

• Updated Tesseract to 5.3.0
  • Fixes bug with inverted (white on black) text naptha/tesseract.js#717

Full Changelog: v4.0.2...v4.0.3

• Fixed bug breaking compatibility with certain devices (see naptha/tesseract.js#701)

Full Changelog: v4.0.1...v4.0.2

• Edited SetImageFile to return status code to help resolve naptha/tesseract.js#699

Full Changelog: v4.0.0...v4.0.1

What's Changed

• Various updates to support new Tesseract.js Version 4 features

Full Changelog: v3.0.2...v4.0.0

Note: Tesseract.js and Tesseract.js-core should be used with matching major versions. E.g. Tesseract.js v3 should only be used with Tesseract.js-core v3.

• Restored progress logging functionality (#23)

Version 3.0.0 changes provide (1) a significant improvement in performance and (2) compatibility with Node.js 18.

• Updates Tesseract to version 5
• Added SIMD-enabled build
  • This version is significantly faster on supported devices
  • As SIMD support is only available on certain browsers/devices, it will be up to Tesseract.js and/or application developers to serve the correct version
• Depreciated asm.js build
  • This version is not deleted, however has not been updated and will be deleted in next major release
• Updated emscripten version for compatibility with Node.js 18
• Refactored build scripts
• Added benchmark examples
• Added argument to rotate image based on exif orientation tag
  • Orientation must be specified (not detected automatically)