PhiImage Library Test Results

Random 4 by 4 matrix generation:
[14 137 242 81 ;
97 49 177 24 ;
127 254 89 98 ;
128 93 253 112 ]

DCT Discrete Cosine Transform of input random matrix:
[493.75 -14.189499906159 -153.25 81.374339274817 ;
-66.484847549616 -39.376001153339 -56.383164611524 16.872213177927 ;
36.25 -90.836338967559 -41.75 77.944753017574 ;
57.034113005326 22.372213177927 -28.329556092354 -148.62399884666 ]

IDCT Inverse Discrete Cosine Transform of transformed matrix:
[14 137 242 81 ;
97 49 177 24 ;
127 254 89 98 ;
128 93 253 112 ]

DFT Discrete Fourier Transform of input random matrix:
[1975 + i*0 -395 - i*218 279 + i*5.3882679568185E-15 -395 + i*218 ;
-94 + i*239 -310 + i*55 174 - i*25 -222 - i*145 ;
109 - i*1.1866435568539E-13 15 - i*206 -475 - i*1.9312042199779E-13 15 + i*206 ;
-94 - i*239 -222 + i*145 174 + i*25 -310 - i*55 ]

Click here to see PhiImage Library features.

News


October 30th, 2013

new

Text-independent speaker recognition based on Wavelet Transform. Click here to try this advanced script.

new

Face verification based on Advanced Correlation Filters. Click here to try this script developed entirely in PHP language.

new

PhiImage Image Processing Library. Click here for an on-line demo version.