MareArts Computer Vision Study.: object detection related review [link only]

Deep learning study - logistic classifier #3

Logistic Classifier The logistic classifier is similar to equation of the plane. W is weight vector, X is input vector and y is output...
Real-time N camera stitching Class.

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...
OpenCV Stitching example (Stitcher class, Panorama)

Image size of origin is 320*240. Processing time is 30.96 second took. The result of stitching The resul...
Image warping (using opencv findHomography, warpPerspective)

fig 1. Left: set 4 points (Left Top, Right Top, Right Bottom, Left Bottom), right:warped image to (0,0) (300,0), (300,300), (0,300) Fi...
Real-time stitching multi-video to one screen

* Introduction - The solution shows panorama image from multi images. The panorama images is processing by real-time stitching algorithm...
Sift matching C++ source code / using opencv library

Created Date : 2011.10 Language : C/C++ Tool : Microsoft Visual C++ 2008 Library & Utilized : OpenCV 2.3 Reference : SIFT referenc...
OpenCV face detection using adaboost example source code and cpu vs gpu detection speed compare (CascadeClassifier, CascadeClassifier_GPU, detectMultiScale)

OpenCV has AdaBoost algorithm function. And gpu version also is provided. For using detection, we prepare the trained xml file. Although...
YUV color format (444, 422, 411) - simple explanation

In the YUV color format, Y is bright information, U is blue color area, V is red color area. Show the below picture. The picture is u-v col...
draw image as grid on notebook

simply check below code and example result. . def image_grid ( imgs , rows , cols ): assert len ( imgs ) == rows * cols w , h...
OpenCV Pixel Access, at, ptr, data, iteration (example)

I once wrote the following article. http://study.marearts.com/2014/04/opencv-study-mat-point-access-method.html This article is a sample c...