Man pages for swarm-lab/Rvision
Computer Vision Library for R
| adaptiveThreshold | Adaptive Thresholding |
| addWeighted | Weighted Sum of Two Images |
| anisotropicDiffusion | Anisotropic Diffusion |
| api | API of a Video Writer |
| approxPolyDP | Calculate a Contour Perimeter or a Curve Length |
| arcLength | Calculate a Contour Perimeter or a Curve Length |
| as.array.Rcpp_Image | Convert Image to Array or Matrix |
| autothreshold | Automated Thresholding |
| 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 |
| border | Add Border to Image |
| boxFilter | Blurs an Image Using a Box Filter |
| boxPoints | Find Vertices of a Rotated Rectangle |
| calibrateCamera | Find a Camera's Intrinsic and Extrinsic Parameters |
| canny | Canny Edge Detector |
| capacity | Capacity of a Queue |
| cartToPolar | Convert Cartesian Coordinates to Polar |
| cc_table | Table of Color Space Conversions |
| changeBitDepth | Convert Image to New Bit Depth |
| changeColorSpace | Convert Image to New Color Space |
| CLAHE | Contrast Limited Adaptive Histogram Equalization |
| click | Detect Mouse Click on Image Display |
| cloneImage | Make a copy of an Image object |
| codec | Codec of a Video |
| col2bgr | Color to BGR Conversion |
| colorspace | The Color Space of an Image |
| compare | Comparison between Images |
| computeECC | Enhanced Correlation Coefficient Value |
| concatenate | Concatenate Images |
| connectedComponents | Find Connected Components in a binary Image |
| contourArea | Area of a Contour |
| convexHull | Compute the Convex Hull of a Set of Points |
| convexityDefects | Find the Convexity Defects of a Polygon |
| cornerSubPix | Refine Corner Locations |
| countNonZero | Count Non-Zero Pixels |
| destroyDisplay | Destroy 'Image' Display |
| dim.Rcpp_Image | Dimensions of an Image |
| dim.Rcpp_Queue | Dimensions of a Queue |
| dim.Rcpp_Stream | Dimensions of a Stream |
| dim.Rcpp_Video | Dimensions of a Video |
| dim.Rcpp_VideoWriter | Dimensions of a Video Writer |
| dim.VideoStack | Dimensions of a VideoStack |
| display | Display 'Image' Object |
| distanceTransform | Distance Transform |
| drawArrow | Draw Arrows on an 'Image' |
| drawCircle | Draw Circles on an 'Image' |
| drawEllipse | Draw Ellipses on an 'Image' |
| drawLine | Draw Lines on an 'Image' |
| drawPolyline | Draw Polygonal Lines on an Image |
| drawRectangle | Draw Rectangles on an 'Image' |
| drawRotatedRectangle | Draw Rotated Rectangles on an 'Image' |
| drawText | Draw Text on an 'Image' |
| edgePreservingFilter | Edge Preserving Filter |
| exp | Exponential Generic for Image objects |
| extractChannel | Extract Single Channel from Image |
| farneback | Optical Flow Using Farneback's Algorithm |
| fillConvexPoly | Fill Convex Polygon with Color in Image |
| fillPoly | Fill Polygon with Color in Image |
| filter2D | Image Convolution with Kernel |
| findChessboardCorners | Find Calibration Chessboard in Image |
| findContours | Find Contours in a Binary Image |
| findHomography | Perspective Transformation Between Two Planes |
| findNonZero | Find Non-Zero Pixels in an Image |
| findTransformECC | Enhanced Correlation Coefficient-based Geometric Transform |
| findTransformORB | ORB-based Geometric Transform |
| fitEllipse | Fit an Ellipse Around a Set of 2D Points |
| flip | Flip an 'Image' |
| floodFill | Fills a Connected Component with a Given Color. |
| fourcc | Codec Name to FOURCC Code |
| fps | Frame Rate of a Video |
| frame | Reader Head Position |
| full | Test for a Full/Empty Queue Object |
| gaussianBlur | Blurs an Image Using a Gaussian Filter |
| getAffineTransform | Affine Transform |
| getGaborKernel | Gabor Filter Kernels |
| getOptimalNewCameraMatrix | Camera Matrix Correction Using the Free Scaling Parameter |
| getPerspectiveTransform | Perspective Transform |
| getStructuringElement | Structuring Elements |
| getTextSize | Calculate the Height and Width of a Text String |
| goodFeaturesToTrack | Good Features to Track |
| grabCut | Segmentation with GrabCut Algorithm |
| histEq | Histogram Equalization |
| histmatch | Histogram Matching/Specification |
| houghCircles | Hough Circle Detector |
| houghLinesP | Probabilistic Hough Line Detector |
| huInvariants | Calculate Seven Hu Moments Invariants |
| imageArithmetic | Arithmetic Functions for Images |
| Image-class | An S4 Class Containing an OpenCV Image |
| imageLogic | Logical Functions for Images |
| imageMinMax | Element-Wise Minimums and Maximums |
| imhist | Multichannel Histogram of an Image |
| improfile | Pixel Values Along a Line Segment |
| initUndistortRectifyMap | Compute an Undistortion and Rectification Transformation Map |
| inpaint | Reconstruct Image Region from Region Neighborhood |
| inPlaceArithmetic | In Place Arithmetic Operators for Images |
| inPlaceComparison | In Place Comparison Operators for Images |
| inPlaceLogical | In Place Logical Operators for Images |
| inRange | Range Thresholding |
| insertChannel | Insert Single Channel into Image |
| invert | Invert Colors |
| invertFourcc | FOURCC Code to Codec Name |
| isBlob | Test for a Blob Object |
| isImage | Test for an Image Object |
| isQueue | Test for a Queue object |
| isStream | Test for a Stream Object |
| isVideo | Test for a Video Object |
| isVideoStack | Test for a VideoStack Object |
| isVideoWriter | Test for a VideoWriter Object |
| laplacian | Calculates the Laplacian of an Image |
| log | Logarithm Generic for Image objects |
| LUT | Look-up Table Transform |
| matchKeypoints | Match Keypoints |
| matchShapes | Compare Two Shapes |
| matchTemplate | Template Matching |
| mean.list | Mean of Images in a List |
| mean.Rcpp_Image | Mean Value of the Pixels in an Image |
| medianBlur | Blurs an Image Using a Median Filter |
| merge | Merge Separate Channels into an Image |
| minAreaRect | Fit a Rectangle Around a Set of 2D Points |
| minMaxLoc | Coordinates of the Maxima and Minima of an Image |
| min.Rcpp_Image | Maxima and Minima of an Image |
| moments | Calculate the Moments of a Shape |
| morph | Morphological Operations |
| newDisplay | Open New 'Image' Display |
| niBlackThreshold | Niblack Thresholding |
| nrow.Rcpp_Image | The Number of Rows/Columns/Channels of an Image |
| ones | Create a One-Filled Image |
| ORBkeypoints | Keypoint Detection with ORB |
| pget | Return Pixel Value at Specified Locations |
| pixelsInContour | Which Pixels are Inside a Contour |
| plot.blob | Plot Blobs |
| plot.Image | Plot 'Rvision' Images |
| plotOF | Plot Optical Flow Arrays |
| polarToCart | Convert Polar Coordinates to Cartesian |
| pow | Power Function |
| pset | Set Pixel Value at Specified Locations |
| pyrDown | Pyramid Downsampling |
| pyrUp | Pyramid Upsampling |
| Queue-class | An S4 Class Containing a Queue of Images |
| queue_dimensions | The Number of Rows/Columns and Length of a Queue |
| randn | Random Normal Image |
| randu | Random Uniform Image |
| readFrame | Read Specific Video Frame |
| readHIS | Read HIS Image from Varex Imaging X-ray Panels |
| readMulti | Read a Multi-Page Image |
| readNext | Read Next Frame of an Object |
| reduce | Reduces a 2D Image to a 1D Image |
| release | Release Object from Memory |
| remap | Geometrical Transformation to an Image |
| reset | Reset a Queue |
| resize | Resize an 'Image' |
| rotate | Image Rotation In 90-Degree Increments |
| rotateScale | Image Rotation and Scaling |
| Rvision | Rvision: Computer vision library for R |
| RvisionAck | Image and video samples |
| 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 |
| setTo | Set All or Some of an Image to the Specified Value |
| simpleBlobDetector | Simple Blob Detector |
| sobel | Calculates an Image Derivatives Using an Extended Sobel... |
| 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 |
| sqrt | Square Root Generic for Image objects |
| Stream-class | An S4 Class Containing an OpenCV Stream |
| stream_dimensions | The Number of Rows/Columns of a Stream |
| subImage | Extract Subimage |
| sub-.Rcpp_Image | Extract or Replace Parts of an Image |
| sub-.VideoStack | Extract or Replace Videos in Video Stacks |
| sum | Sum Generic for Image objects |
| thinning | Thinning |
| threshold | Thresholding |
| tile | Repeat Image |
| timelapse | Make Timelapse from 'Stream' Object |
| undistort | Transform an Image to Compensate for Lens Distortion |
| undistortPoints | Transform Coordinates to Compensate for Lens Distortion |
| Video-class | An S4 Class Containing an OpenCV Video |
| video_dimensions | The Number of Rows/Columns/Frames of a Video |
| videoStack | Create an Object of Class 'VideoStack' |
| VideoStack-class | An S4 Class Containing a Video Stack |
| videostack_dimensions | The Number of Rows/Columns/Frames of a VideoStack |
| VideoWriter-class | An S4 Class Containing an OpenCV Video Writer |
| videowriter_dimensions | The Number of Rows/Columns of a Video Writer |
| warpAffine | Affine Transformation |
| warpPerspective | Perspective Transformation |
| watershed | Image Segmentation Using the Watershed Algorithm |
| writeFrame | Write Frame to Output Video |
| write.Image | Image Output |
| writeMulti | Write a Multi-Page Image |
| writerOuput | Output File of a Video Writer |
| zeros | Create a Zero-Filled Image |
