computer-vision

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What's best for your Video Tracking? Why?

Best as in reliable, maintainable and fast. Considering Processing, VVVV or OpenFrameworks? I know Processing doe开发者_Go百科sn\'t handle big video frames very well.[详细]

2023-03-25 04:53 分类：问答
Opencv error on python

no matter what \"CV_FOURCC\" I use I get this: OpenCV Error: Unsupported format or combination of formats (Gstreamer[详细]

2023-03-25 00:18 分类：问答
Getting and comparing object's color from image

My aim is to determine the color of object. And make a classification, for example some blue, little bit dark blue or light blue can be classified to one type - Blue. I have some template objects imag[详细]

2023-03-24 11:42 分类：问答
SIFT is not finding any features in reference image in OpenCV

I have an image of the target logo that I am trying to use to find target logos in other images. I am currently running two different detection algorithms to help me detect any logos on the image. The[详细]

2023-03-23 14:10 分类：问答
How do you set the frame size of cv.CreateVideoWriter

if I try: writer = cv.CreateVideoWriter(file, -1,(int(800),int(600)), is_color=1) -or- writer = cv.CreateVideoWriter(file, -1,(800,600), is_color=1)[详细]

2023-03-23 04:36 分类：问答
how to determine if a picture is explicit [closed]

Closed. This question is seeking recommendations for books, tools, software libraries, and more. It does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-03-22 21:07 分类：问答
Calculate the area of a trapezoid from picture while adjusting for angle

Here\'s a general math problem I was hoping someone could help me with. My app has the user take a picture of a roof and then mark the perimeter of the roof.I would like to calc开发者_C百科ulate the a[详细]

2023-03-22 17:11 分类：问答
How to calculate 3d camera's position from head position for hologram effect

In this video http://www.youtube.com/watch?v=Jd3-eiid-Uw a hologram type effect is achieved by moving a 3d camera in some sort of corresponding motion to that of the viewers head.[详细]

2023-03-22 07:40 分类：问答
Identify pattern in image

what is the best approach to identify a pattern (could be a text,signature, logo. NOT faces,objects,people,etc) in an image, given that all images are taken from the same angle, which means the patter[详细]

2023-03-21 04:58 分类：问答
Improve face detection performances with OpenCV/EmguCV

I am currently using EmguCV (OpenCV C# wrapper) sucessfully to detect faces in real-time (webcam). I get around 7 FPS.[详细]

2023-03-20 19:46 分类：问答