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Detect humans and their position.
The Computer Vision System Toolbox has a way of detecting standing people ( |vision.PeopleDetector|) as well as faces and upper ...

mehr als 11 Jahre vor | 1

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Is trainingImageLabeler available in 2013 version?
|trainingImageLabeler| was added to the Computer Vision System Toolbox in R2014a. However, you can use <http://www.mathworks.co...

mehr als 11 Jahre vor | 0

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add uint8 frame to vision.videofilewriter object using the step function
You can pass |uint8| frames into |vision.VideoFileWriter|. However, I think the frames are always stored as |uint8| on disk, and...

mehr als 11 Jahre vor | 0

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how to write a MP4 video using vision toolbox ?
If you do >> help vision.VideoFileWriter and then click on FileFormat you should see this: FileFormat Format of c...

mehr als 11 Jahre vor | 1

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Difference between MJPG and YUV formats?
These are two different things. MJPG is a video compression format, YUV is a color space.

mehr als 11 Jahre vor | 0

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Will it affect my result if I perform my camera calibration and image processing at different resolutions?
Yes it will. There is a way to transform the camera parameters to account for the change in resolution, but you are much better ...

mehr als 11 Jahre vor | 0

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Need help with Phase Only Image Correlation
Image Processing Toolbox now includes the <http://www.mathworks.com/help/images/ref/imregcorr.html imregcorr> function, which do...

mehr als 11 Jahre vor | 0

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Missing some block on Optical Flow SIMULINK?
There is an <www.mathworks.com/help/vision/ref/opticalflow.html Optical Flow block> in the Computer Vision System Toolbox.

mehr als 11 Jahre vor | 0

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Help me with Phase Only Image Correlation!
Image Processing Toolbox now includes the <http://www.mathworks.com/help/images/ref/imregcorr.html imregcorr> function, which do...

mehr als 11 Jahre vor | 0

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OPTICAL CHARACTER RECOGNITION (CONVERTING RESTAURANT RECEIPTS INTO TEXT)
You can use imcrop for cropping. But better yet, try the ocr() function in the Computer Vision System Toolbox.

mehr als 11 Jahre vor | 0

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How can i process multiple images
You can use the imfindcircles() function in the Image Processing Toolbox.

mehr als 11 Jahre vor | 0

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How to track how long a pixels moves for in a video
If you have the Computer Vision System Toolbox, try using <http://www.mathworks.com/help/vision/ref/vision.pointtracker-class.ht...

mehr als 11 Jahre vor | 0

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In the Step 7 (Back projection) of stereo vision, there are two parameters (knownZs and knownDs) have been used. Can somebody please explain what are these parameters. Here is the 7th step as obtained from Matlab 2012b documentation:
This example assumes that you know distances to certain points in the scene. knownZs are those distances in meters. knownDs are ...

mehr als 11 Jahre vor | 0

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How to rectify an image using camera parameters ?
There support for camera calibration in the Computer Vision System Toolbox. Please try the <http://www.mathworks.com/help/vision...

mehr als 11 Jahre vor | 0

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how to do camera calibration?
Please try the <http://www.mathworks.com/help/vision/ug/find-camera-parameters-with-the-camera-calibrator.html Camera Calibrator...

mehr als 11 Jahre vor | 0

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Convert a character into a pixel matrix
If you have a recent version of MATLAB with the Computer Vision System Toolbox, you can use the insertText() function.

mehr als 11 Jahre vor | 0

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About counting cars using Matlab
Here's an example <https://www.mathworks.com/help/vision/examples/detecting-cars-using-gaussian-mixture-models.html of detecting...

mehr als 11 Jahre vor | 0

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Object tracking in an rgb video
Try using vision.KalmanFilter. Since the object is moving in a circle, the constant acceleration motion model would be appropria...

mehr als 11 Jahre vor | 0

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How to combine the process of object recognition/detcetion from start to finish?
Please take a look at this <http://www.mathworks.com/help/vision/examples/digit-classification-using-hog-features.html example o...

mehr als 11 Jahre vor | 0

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How to match the features in a single image?
Unfortunately, matchFeatures() is not really suited for this task. You would have to write your own code to do the matching. You...

mehr als 11 Jahre vor | 0

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Camera calibration toolbox and Matlab view
If you are still interested in calibrating cameras, please try the Camera Calibrator app in the Computer Vision System Toolbox.

mehr als 11 Jahre vor | 0

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How to give different colors to each tracked object's bounding boxes in Kalman filter tracking?
If you are using the insertObjectAnnotation() function, you can set the color using the 'Color' parameter. Let's say you have 3 ...

mehr als 11 Jahre vor | 0

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Detecting frames for which a face appears in a video...
If a face is not detected in a frame, bbox will be empty. So you can simply check if isempty(bbox) ... to handle the cas...

mehr als 11 Jahre vor | 0

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Multi-Camera Calibration for Motion Tracking
I think you meant "translationVector" instead of "transposeMatrix". Is that right? The rotationMatrix and translationVector g...

mehr als 11 Jahre vor | 0

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Multi Face Detection-Tracking
A better way to do this is to concatenate all the detected corner points from all faces into one M-by-2 matrix and call the step...

mehr als 11 Jahre vor | 0

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Detection of close objects using CascadeObjectDetector
The main issue here is that you need more training data. 50 positive samples and 40 negative images is very little, which is why...

mehr als 11 Jahre vor | 0

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How to import stereoParams from the result of amcctoolbox?
Hello Michael, The simplest thing is to use the estimateCameraParameters() function to calibrate your stereo camera rig inste...

mehr als 11 Jahre vor | 0

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drawing trajectory of detected people in video
There is currently no special built-in function to draw the trajectories. But once you have the points, you can use the insertS...

mehr als 11 Jahre vor | 0

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How to find width and height of bounding box after using vision.blobanalysis?
In your example bbox is an M-by-4 matrix containing the bounding boxes represented as [x y w h]. First, you should delete the ro...

mehr als 11 Jahre vor | 0

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how to use live video from webcam with foregrounddetector
You would either need to have the Image Acquisition Toolbox, or MATLAB version R2014a, which includes support for <http://www.ma...

mehr als 11 Jahre vor | 0

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