Code covered by the BSD License

... Detect lines in a grayscale image
Frequency=vibration_from_imag... vibration_from_images is a function that can be used to compute the
Y=line_detect_fct(Image) DrawLines_2Ends(linessg);
video2pic( videoFile, outputP... VIDEO2PIC converts viedo frames into pictures.
Read_Me.m
Video.avi
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Vibration from frames

18 Mar 2012

this can be used to extract the frequency of a simple harmonic vibrations from frames

File Information
Description	vibration_from_images.m is a function that can be used to extract the frequency of a simple harmonic vertical vibration. The mass has to have a horizontal landmark. The included video (Video.avi) has been recorded as an illustrative example. vide02pic.m (shared by Shiquan Wang in Matlab central) was used to extract the individual frames. Hough_Grd.m(shared by Tao Peng in Matlab central) was used to detect the lines in the image. Only the horizontal lines in the image has been kept(by keeping lines with small slopes).
Required Products	Image Processing Toolbox
MATLAB release	MATLAB 7.6 (R2008a)

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Everyone's Tags	frame, frequency, harmonic, image, period, processing, vibration
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