Php: gd2 image manipulate

November 4, 2011

Name: GD2 Imaging

Author: Artur Graniszewski

This class can apply several types of advanced image processing effects.
Currently it can:

- 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


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