tigra-image-library/gd2-imaging

An advanced image processing library.

TIGRA IMAGE LIBRARY

Introduction

This class can apply several types of advanced image processing effects., _(*1)

Features

Currently it can:, _(*2)

• Use the Hough transform to detect skew angles and deskew an image
• Detect the background color of an image
• Perform image quantization basic text recognition (OCR) in an image to eventually read text used for CAPTCHA validation
• Apply the pastel effect on an image
• Crop an image preserving the image aspect
• Remove a noise from an image
• Rotate or rescale an image detecting its background color
• Generate an histograms for an image
• Calculate pixel luminance (intensity), hue, saturation and chromacity of the RGB colors in three different color modes (HSL, HSI, HSV)
• Change hue of the image
• Change luminance of the image
• Change saturation of the image
• Create High-Definition-Range (HDR) images
• Use advanced programmable Pixel Shader
• Merge two images using eight different blending modes:
• addition
• divide
• subtract
• darken
• lighten
• difference
• multiply
• opacity
• Apply experimental blur effect with customizable kernel size.

Sample operations

, _(*3)

Sample code

Please see the examples directory, _(*4)