unsigned long AAtime = 0, BBtime = 0; cuda::GpuMat gpuImg, gpuImg_out; Mat img, img_out, img_out2; img = imread("2mb.jpg"); gpuImg.upload(img); AAtime = getTickCount(); cuda::bitwise_not(gpuImg, gpuImg_out); Ptr< cv::cuda::filter > filter = cuda::createSobelFilter(img.type(), img.type(), 1, 0); filter->apply(gpuImg_out, gpuImg_out); BBtime = getTickCount(); gpuImg_out.download(img_out); printf("gpu : %.2lf second \n", (BBtime - AAtime) / getTickFrequency()); AAtime = getTickCount(); bitwise_not(img, img_out2); Sobel(img_out2, img_out2, img_out2.depth(), 1, 0); BBtime = getTickCount(); printf("cpu : %.2lf second \n", (BBtime - AAtime) / getTickFrequency()); imshow("cpu_img", img_out); imshow("cpu_img", img_out2); waitKey(0);
12/16/2016
Gpu Mat, Cpu Mat example 2
-
This is dithering example, it make image like a stippling effect. I referenced to blew website. wiki page: https://en.wikipedia.org/wik...
-
Image size of origin is 320*240. Processing time is 30.96 second took. The result of stitching The resul...
-
As you can see in the following video, I created a class that stitching n cameras in real time. https://www.youtube.com/user/feelmare/sear...
-
RTSP(Real Time Streaming Protocol) is video streaming, it usually sent from network camera. VideoCapture function in opencv also can get r...
-
make well divided linear coordinate And make pair coordinate Please see code for detail explanation. import numpy as np import cv2 ...
-
Background subtractor example souce code. OpenCV support about 3 types subtraction algorithm. Those are MOG, MOG2, GMG algorithms. Det...
-
The MNIST dataset is a dataset of handwritten digits, comprising 60 000 training examples and 10 000 test examples. The dataset can be downl...
-
* Introduction - The solution shows panorama image from multi images. The panorama images is processing by real-time stitching algorithm...
-
This is data acquisition source code of LMS511(SICK co.) Source code is made by MFC(vs 2008). The sensor is communicated by TCP/IP. ...
-
Logistic Classifier The logistic classifier is similar to equation of the plane. W is weight vector, X is input vector and y is output...
