jrosebr1/imutils

Features

• Image Processing - Simplifies common image manipulation tasks like rotation, resizing, and perspective shifts using Python and OpenCV.
• Aspect Ratio Preserving Resizing - Provides a core utility to resize images while automatically preserving the original aspect ratio.
• Computer Vision Preprocessing - Prepares raw image data for machine learning models via contour sorting, edge detection, and color space conversion.
• Computer Vision Utilities - Serves as a toolkit of helper scripts for automating geometry transformations and color space conversions.
• Classical Edge Detection - Provides automated threshold calculation for classical Canny edge detection.
• Aspect Ratio Preservation - Provides utilities to resize images while automatically maintaining the original aspect ratio to prevent stretching.
• Image Geometric Transformations - Uses transformation matrices to automate image rotation, translation, and resizing while preserving data integrity.
• Image Analysis Helpers - Provides a toolset for extracting topological skeletons and performing perspective transforms on visual data.
• Image Geometry Transformations - Automates changes to image orientation and scale while maintaining aspect ratios and preventing edge cropping.
• Image Processing Libraries - A collection of Python functions that simplify common image manipulation tasks using the OpenCV library.
• Color Space Conversions - Handles color space conversions to ensure images render correctly in plotting libraries.
• Spatial Sorting - Provides utilities to order detected contours spatially from left-to-right or top-to-bottom.
• Image Transformation Utilities - Provides utilities for resizing with aspect ratio preservation and rotating images without cropping corners.
• Topological Skeletonization - Implements an iterative erosion and dilation process to extract the topological skeleton of binary images.
• Perspective Warping - Provides four-point perspective warping to flatten skewed images into a top-down view.
• Channel Reordering - Provides a utility to swap color channels between BGR and RGB for consistent rendering.
• Dataset Asset Discovery - Provides tools for finding image files across directories and downloading images from the web for batch processing.
• Threshold Calculation - Implements automatic Canny edge detection threshold calculation based on the median pixel intensity of an image.
• Color Space Transformations - Provides color space mapping to swap RGB and BGR channels for consistent rendering across libraries.
• Spatial Node Sorting - Orders detected image contours by analyzing their center-point coordinates along a specified axis.
• Image Rotation - Implements image rotation that automatically expands the canvas to prevent corner cropping.
• Image Topology Analysis - Analyzes the shape and connectivity of objects by extracting skeletal structures from binary images.
• Perspective Warping - Provides four-point perspective warping to transform skewed images into a flattened top-down view.
• Computer Vision - Convenience functions for basic image processing and manipulation.

Star history