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Computer Vision System Toolbox System Objects

Alphabetical List By Category

Feature Detection and Extraction

Geometric Transformations

vision.GeometricShearer Shift rows or columns of image by linearly varying offset

Analysis and Enhancements


vision.Autocorrelator Compute 2-D autocorrelation of input matrix
vision.BlobAnalysis Properties of connected regions
vision.Crosscorrelator 2-D cross-correlation of two input matrices
vision.LocalMaximaFinder Find local maxima in matrices
vision.Maximum Find maximum values in input or sequence of inputs
vision.Mean Find mean value of input or sequence of inputs
vision.Median Find median values in an input
vision.Minimum Find minimum values in input or sequence of inputs
vision.StandardDeviation Find standard deviation of input or sequence of inputs
vision.Variance Find variance values in an input or sequence of inputs

Filters, Transforms, and Enhancements

vision.Convolver Compute 2-D discrete convolution of two input matrices
vision.FFT Two-dimensional discrete Fourier transform
vision.IFFT Two–dimensional inverse discrete Fourier transform
vision.DCT Compute 2-D discrete cosine transform
vision.IDCT Compute 2-D inverse discrete cosine transform
vision.Deinterlacer Remove motion artifacts by deinterlacing input video signal
vision.HoughLines Find Cartesian coordinates of lines that are described by rho and theta pairs
vision.Pyramid Perform Gaussian pyramid decomposition

Input, Output, and Graphics

Video Loading, Saving, and Display

vision.DeployableVideoPlayer Display video
vision.VideoPlayer Play video or display image
vision.VideoFileReader Read video frames and audio samples from video file
vision.VideoFileWriter Write video frames and audio samples to video file

Color Space Formatting and Conversions

vision.ChromaResampler Downsample or upsample chrominance components of images
vision.DemosaicInterpolator Bayer-pattern image conversion to true color
vision.GammaCorrector Apply or remove gamma correction from images or video streams
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