PhiImage Library Test Results

Random 4 by 4 matrix generation:
[175 125 154 27 ;
84 47 96 10 ;
83 30 209 241 ;
0 169 64 20 ]

DCT Discrete Cosine Transform of input random matrix:
[383.5 -6.1932591919153 -63.5 55.60254976691 ;
30.366606836038 98.541630560343 26.293071450899 80.893398282202 ;
-16.5 110.37874074956 -81.5 -70.615392022856 ;
137.33305934576 -102.1066017178 62.170526728329 50.458369439657 ]

IDCT Inverse Discrete Cosine Transform of transformed matrix:
[175 125 154 27 ;
84 47 96 10 ;
83 30 209 241 ;
-2.4868995751604E-14 169 64 20 ]

DFT Discrete Fourier Transform of input random matrix:
[1534 + i*0 -181 - i*73 196 - i*2.681887914871E-14 -181 + i*73 ;
-82 + i*16 259 - i*361 156 - i*248 35 + i*257 ;
554 + i*1.5919882599691E-14 -29 + i*299 200 + i*5.7556498629652E-15 -29 - i*299 ;
-82 - i*16 35 - i*257 156 + i*248 259 + i*361 ]

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.