/*
* Copyright (c) 2011-2016, Peter Abeles. All Rights Reserved.
*
* This file is part of BoofCV (http://boofcv.org).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package boofcv.alg.transform.fft;
import boofcv.abst.transform.fft.DiscreteFourierTransform;
import boofcv.alg.misc.ImageMiscOps;
import boofcv.misc.PerformerBase;
import boofcv.misc.ProfileOperation;
import boofcv.struct.image.GrayF32;
import boofcv.struct.image.InterleavedF32;
import java.util.Random;
/**
* @author Peter Abeles
*/
public class BenchmarkFastFourierTransform {
static int width = 640;
static int height = 480;
static long TEST_TIME = 1000;
static GrayF32 input = new GrayF32(width,height);
static InterleavedF32 fourier = new InterleavedF32(width,height,2);
static GrayF32 output = new GrayF32(width,height);
public static class ComputeFFT extends PerformerBase {
DiscreteFourierTransform dft = DiscreteFourierTransformOps.createTransformF32();
@Override
public void process() {
dft.forward(input,fourier);
dft.inverse(fourier,output);
}
}
public static void main( String args[] ) {
Random rand = new Random(234);
ImageMiscOps.fillUniform(input, rand, 0, 100);
System.out.println("========= Profile Image Size " + width + " x " + height + " ==========");
System.out.println();
ProfileOperation.printOpsPerSec(new ComputeFFT(), TEST_TIME);
}
}