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» PhiImage Image Processing Library - PHP source code

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The library is a set of executable programs performing directly on image files. The development of an image processing application is done from the successive execution of operators where outputs of one operator can be used as inputs of some others. PhiImage is an advanced PHP image processing library that expands the capabilities of existing libraries such as GD or ImageMagick.

Index Terms: PHP, source, code, face, image, processing, library, DCT, FFT, convolution, filter, filtering.

Figure 1. Filtered image

A simple and effective source code for PhiImage Image Processing Library.

On-line demo code available for performance evaluation.

Release

Date

Major features

1.0

2012.04.07

Complex Numbers Library: a library to handle efficiently complex numbers (sum, difference, multiplication, division, modulus, multiplication for a scalar, complex conjugates, complex number visualization)
Routine to read BMP image files (not supported by some libraries)
Image to matrix conversion
DFT Discrete Fourier Transform for 1D and 2D real or complex multidimensional arrays
IDFT Inverse Discrete Fourier Transform for 1D and 2D real or complex multidimensional arrays
Two-dimensional convolution for matrices
DCT Discrete Cosine Transform for 1D and 2D real multidimensional arrays
IDCT Inverse Discrete Cosine Transform for 1D and 2D real multidimensional arrays
PHP language
On-line demo code available for performance evaluation

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All the code provided is written in PHP language, with no dll or other protected parts of code (executables). The code was developed with PHP 5. The code provided has to be considered "as is" and it is without any kind of warranty. The authors deny any kind of warranty concerning the code as well as any kind of responsibility for problems and damages which may be caused by the use of the code itself including all parts of the source code.