Basic Computer Vision Library


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Documentation for package ‘Rvision’ version 0.3.4

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A B C D F G I L M N P R S T V W misc

Rvision-package Rvision: A basic (for now) computer vision library for R.

-- A --

absdiff Absolute Difference Between Two Images
adaptiveThreshold Adaptive Thresholding
addWeighted Weighted Sum of Two Images
api API of a Video Writer
as.array.Rcpp_Image Convert Image to Array or Matrix
as.matrix.Rcpp_Image Convert Image to Array or Matrix

-- B --

bilateralFilter Edge-Preserving Noise Reduction with a Bilateral Filter
bitdepth The Bit Depth of an Image
blur Blurs an Image Using a Normalized Box Filter
boxFilter Blurs an Image Using a Box Filter

-- C --

changeBitDepth Convert image bit depth
changeColorSpace Convert image between colorspaces
click Detect Mouse Click on Image Display
cloneImage Make a copy of an Image object
codec Codec of a Video
codec.Rcpp_Video Codec of a Video
codec.Rcpp_VideoWriter Codec of a Video
col2bgr Color to BGR Conversion
colorspace The Color Space of an Image
connectedComponents Find Connected Components in a binary Image

-- D --

destroyAllDisplays Destroy 'Image' Display
destroyDisplay Destroy 'Image' Display
dim.Rcpp_Image Dimensions of an Image
dim.Rcpp_Stream Dimensions of a Stream
dim.Rcpp_Video Dimensions of a Video
dim.Rcpp_VideoWriter Dimensions of a Video Writer
display Display 'Image' Object
drawArrow Draw Arrows on an 'Image'
drawCircle Draw Circles on an 'Image'
drawEllipse Draw Ellipses on an 'Image'
drawLine Draw Lines on an 'Image'
drawRectangle Draw Rectangles on an 'Image'
drawText Draw Text on an 'Image'

-- F --

farneback Optical Flow Using Farneback's Algorithm
fillPoly Fill Polygon with Color in Image
filter2D Image Convolution with Kernel
findContours Find Contours in a Binary Image
findNonZero Find Non-Zero Pixels in an Image
fps Framerate of a Video
fps.Rcpp_Video Framerate of a Video
fps.Rcpp_VideoWriter Framerate of a Video
frame Video Reader Position

-- G --

gaussianBlur Blurs an Image Using a Gaussian Filter
getProp Set/Get Video Properties
getProp.Rcpp_Stream Set/Get Video Properties
getProp.Rcpp_Video Set/Get Video Properties
getProp.Rcpp_VideoWriter Set/Get Video Properties
getTextSize Calculate the Height and Width of a Text String

-- I --

Image An S4 Class Containing an OpenCV Image
image Create an Object of Class 'Image'
Image-class An S4 Class Containing an OpenCV Image
inpaint Reconstruct Image Region from Region Neighborhood
invert Invert Colors
isBlob Test for a Blob Object
isImage Test for an Image Object
isStream Test for a Stream object
isVideo Test for a Video object
isVideoWriter Test for a VideoWriter object

-- L --

laplacian Calculates the Laplacian of an Image

-- M --

matchTemplate Template Matching
max.Rcpp_Image Maxima and Minima of an Image
mean Mean Generic for additional arguments
medianBlur Blurs an Image Using a Median Filter
merge Merge Separate Channels into an Image
min.Rcpp_Image Maxima and Minima of an Image
minMaxLoc Coordinates of the Maxima and Minima of an Image
morph Morphological Operations

-- N --

nchan The Number of Rows/Columns/Channels of an Image
ncol.Image The Number of Rows/Columns/Channels of an Image
ncol.Rcpp_Image The Number of Rows/Columns/Channels of an Image
ncol.Rcpp_Stream The Number of Rows/Columns of a Stream
ncol.Rcpp_Video The Number of Rows/Columns/Frames of a Video
ncol.Rcpp_VideoWriter The Number of Rows/Columns of a Video Writer
newDisplay Open New 'Image' Display
nframes The Number of Rows/Columns/Frames of a Video
nrow.Image The Number of Rows/Columns/Channels of an Image
nrow.Rcpp_Image The Number of Rows/Columns/Channels of an Image
nrow.Rcpp_Stream The Number of Rows/Columns of a Stream
nrow.Rcpp_Video The Number of Rows/Columns/Frames of a Video
nrow.Rcpp_VideoWriter The Number of Rows/Columns of a Video Writer

-- P --

plot.blob Plot Blobs
plot.Image Plot 'Rvision' Images
plot.OF_array Plot Optical Flow Arrays
plot.Rcpp_Image Plot 'Rvision' Images

-- R --

Rcpp_Image An S4 Class Containing an OpenCV Image
Rcpp_Stream An S4 Class Containing an OpenCV Stream
Rcpp_Video An S4 Class Containing an OpenCV Video
Rcpp_VideoWriter An S4 Class Containing an OpenCV Video Writer
readFrame Read Specific Video Frame
readMulti Read a Multi-Page Image
readNext Read Next of an Object Frame
readNext.Rcpp_Stream Read Next of an Object Frame
readNext.Rcpp_Video Read Next of an Object Frame
release Release Object from Memory
release.Rcpp_Stream Release Object from Memory
release.Rcpp_Video Release Object from Memory
release.Rcpp_VideoWriter Release Object from Memory
resize Resize an 'Image'
Rvision Rvision: A basic (for now) computer vision library for R.
RvisionAck Image and video samples

-- S --

scharr Calculates an Image Derivatives Using a Scharr Operator
selectROI Select a Region of Interest in an Image
sepFilter2D Image Filtering with a Separable Linear Filter
setProp Set/Get Video Properties
setProp.Rcpp_Stream Set/Get Video Properties
setProp.Rcpp_Video Set/Get Video Properties
setProp.Rcpp_VideoWriter Set/Get Video Properties
simpleBlobDetector Simple Blob Detector
sobel Calculates an Image Derivatives Using an Extended Sobel Operator
spatialGradient First Order Derivatives of an Image with the Sobel Operator
split Split an Image into Separate Channels
sqrBoxFilter Blurs an Image Using a Square Box Filter
Stream An S4 Class Containing an OpenCV Stream
stream Create an Object of Class 'Stream'
Stream-class An S4 Class Containing an OpenCV Stream
subImage Extract Subimage
sum Sum Generic for additional arguments

-- T --

timelapse Make Timelapse from 'Stream' Object

-- V --

Video An S4 Class Containing an OpenCV Video
video Create an Object of Class 'Video'
Video-class An S4 Class Containing an OpenCV Video
VideoWriter An S4 Class Containing an OpenCV Video Writer
videoWriter Create an object of class 'VideoWriter'
VideoWriter-class An S4 Class Containing an OpenCV Video Writer

-- W --

write.Image Image Output
writeFrame Write Frame to Output Video
writerOuput Output File of a Video Writer

-- misc --

[.Rcpp_Image Extract or Replace Parts of an Image
[<-.Rcpp_Image Extract or Replace Parts of an Image