computer-vision

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How to get points from a line in OpenCV?

The cvLine() function can draw a straight line given two points P1(x1,y1) and P2(x2,y2). What I\'m stuck at is getting the points on this line instead of drawing it straight away.[详细]

2023-03-20 09:12 分类：问答
Homography computation of a deformed square planar object

suppose you have a square planar object (a piece of paper). You take a photo of it. Generally speaking, it will appear deformed. Suppose you process the image and compute the four corners of the plana[详细]

2023-03-20 04:15 分类：问答
tracking of naked hands

My problem is to track naked hands in a video where the signer sits in front of a uniform background exposing upper half of his body. Separation of the whole body[详细]

2023-03-20 00:21 分类：问答
visual studio 1error LNK2001: unresolved external symbol _mainCRTStartup,2 error LNK1120: 1 unresolved externals

code: #include \"stdafx.h\" #include\"highgui.h\" #include\"stdio.h\" intmain(int argc, CHAR* argv[]) { cvNamedWindow:( \"Example2\", CV_WINDOW_AUTOSIZE );[详细]

2023-03-19 11:52 分类：问答
Computer vision for a length ratio

Let\'s say I take a picture of two hammers side-by-side (although they may be aligned differently, but always one on the right and one on the left), wherein each might look like this, and I want to ca[详细]

2023-03-19 10:17 分类：问答
How to find intersections in binary image lines?

I have a binary image with curved lines as shown below, but I would like to know how I can find where they would intersect if they are extended.[详细]

2023-03-19 10:15 分类：问答
connecting a disconnected silhouette edge

I have a silhouette edge that is not connect开发者_开发知识库ed and i need a way to make it connected so that i can sort it\'s pixels clockwise... any help about how to do so.[详细]

2023-03-19 09:21 分类：问答
OpenCV floor detection by segmentation

I\'m working on a way to detect the floor in an image. I\'m trying to accomplish this by reducing the image to areas of color and then assuming that the largest area is the floor. (We get to make some[详细]

2023-03-19 00:43 分类：问答
optimization of perspective projection result

i have a 3d model in a coordinate system that i need to project on a 2d plane using perspective projection, i used this projection equation C*(RT * P\') where C is the calibration matrix[详细]

2023-03-18 23:42 分类：问答
How to place an image A onto image B BUT I WANT TO IGNORE all O pixels of image A

I want to place a modelImage (RGB image) on baseImage (RGB image) where the center of modelImage will be placed at pPoint.[详细]

2023-03-17 10:34 分类：问答