serratus/quaggaJS
QuaggaJS
quaggaJS is a JavaScript barcode scanner library and client-side processor that performs barcode localization and decoding directly within the browser. It functions as a computer vision barcode decoder that extracts data from both static image files and live camera streams without requiring external server requests.
The library supports real-time barcode scanning via webcams and can detect multiple barcode formats simultaneously. It includes tools to visualize the decoding process by rendering bounding boxes and scanlines over the image to monitor localization.
Users can configure the specific barcode types to be scanned and restrict the decoding search to a custom rectangular scan area to improve performance and reduce false positives. These capabilities are applied to both static image decoding and live video streams.
Features
- Barcode Decoders - Implements a full barcode decoding pipeline for real-time scanning via device camera streams.
- Camera Feed Decoders - Decodes various barcode types in real-time from a device's live camera stream.
- Barcode Pattern Validation - Validates detected barcodes by checking if the sequence of bars and spaces matches known format specifications.
- Image File Barcode Decoders - Processes static image files to locate and decode barcodes entirely within the browser.
- JavaScript - Ships as a JavaScript library for detecting and decoding barcodes from images and live video.
- Client-Side Barcode Decodings - Identifies and translates barcode data from static image files or uploaded browser files using JavaScript.
- Real-Time Video Analysis - Captures and analyzes video frames at set intervals for continuous real-time barcode decoding.
- Multi-Format Barcode Recognitions - Supports simultaneous detection and decoding of multiple 1D and 2D barcode formats from a single stream.
- Web Barcode Integrations - Provides a JavaScript library for integrating barcode scanning and decoding capabilities directly into web applications.
- Webcam Feed Decoders - Processes live webcam streams to identify barcodes and renders localization bounding boxes for visual feedback.
- ROI Filtering - Allows restricting the decoding search area to a defined coordinate box to reduce computational overhead.
- Scan Area Restrictions - Defines a rectangular region within the input stream to limit where the decoder searches for barcodes.
- Scanning Configurations - Provides the ability to restrict the decoding search to a custom rectangular scan area to improve performance.
- Canvas-Based Image Processors - Uses the HTML5 Canvas API to manipulate raw pixel data for barcode visual analysis.
- Scanline Analysis - Locates barcodes by analyzing horizontal intensity transitions across specific rows of pixels.
- Decoding Area Restrictions - Defines a rectangular region within the input stream to focus decoding and improve performance.
- Barcode Format Filters - Provides the ability to limit scanning to specific barcode formats to improve decoding accuracy.
Star history
How this analysis was created: This summary and feature list are AI-generated from collected project material and can contain mistakes. Stars, license and language are imported from GitHub. Inclusion does not mean that we have tested or audited this project. Check the source documentation for any feature you depend on. Learn more on our About page.
