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Neelum Dave


Active since 2015

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Question


What does this instruction returns.
[hueChannel,~,~] = rgb2hsv(videoFrame)

9 years ago | 1 answer | 0

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answer

Question


While tracking face in a video Iam using these instructions but the face is not getting tracked properly.Also I am not getting why the position in line 3 is kept [300 300 videoInfo. VideoSize]
tracker = vision.HistogramBasedTracker; % Initialize the tracker histogram using the Hue channel pixels from the % nose. in...

9 years ago | 0 answers | 0

0

answers

Question


how step method performs different functions at different time
videoFileReader = vision.VideoFileReader('h1.avi'); videoFrame = step(videoFileReader); figure, imshow(videoFrame) ...

9 years ago | 1 answer | 0

1

answer

Question


What does step instruction in matlab do?
videoFileReader = vision.VideoFileReader('h1.avi'); videoFrame = step(videoFileReader);

9 years ago | 1 answer | 2

1

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Question


How to know the detected face is of which frame in a matlab code of face detection and how to save first and last frame.
videoFileReader = vision.VideoFileReader('h1.avi'); videoFrame = step(videoFileReader); figure, imshow(videoFrame) faceD...

9 years ago | 1 answer | 0

1

answer

Question


I am getting this error while running a matlab code for face detection and tracking Error in noseDetector = vision.CascadeObjectDetector('Nose', 'UseROI', true);
% Create a cascade detector object. faceDetector = vision.CascadeObjectDetector(); % Read a video frame and run the detector...

9 years ago | 2 answers | 0

2

answers

Question


While running a matlab code for face detection in a video using camshift algorithm, i am getting the error Attempt to execute SCRIPT insertObjectAnnotation as a function. How to remove this error.
my code is % Read a video frame and run the detector. videoFileReader = vision.VideoFileReader('a1.avi'); videoFrame ...

9 years ago | 1 answer | 0

1

answer