A B C D E F G H I L M N P R S T V W Y misc
imager-package | imager: an R library for image processing, based on CImg |
add | Combining images |
add.colour | Add colour channels to an grayscale image |
as.cimg | Convert to cimg object |
as.cimg.array | Turn an numeric array into a cimg object |
as.cimg.data.frame | Create an image from a data.frame |
as.cimg.double | Convert to cimg object |
as.cimg.function | Create an image by sampling a function |
as.cimg.matrix | Convert to cimg object |
as.cimg.numeric | Convert to cimg object |
as.cimg.vector | Convert to cimg object |
as.data.frame.cimg | Convert a pixel image to a data.frame |
as.raster.cimg | Convert a cimg object to a raster object |
at | Return pixel value at coordinates |
autocrop | Autocrop image region |
average | Combining images |
B | Various shortcuts for extracting colour channels, frames, etc |
B<- | Replace part of an image with another |
blur_anisotropic | Blur image anisotropically, in an edge-preserving way. |
boats | Photograph of sailing boats from Kodak set |
boxblur | Blur image with a box filter (square window) |
boxblur_xy | Blur image with a box filter. |
bucketfill | Bucket fill |
capture.plot | Capture the current R plot device as a cimg image |
center.stencil | Center stencil at a location |
channel | Various shortcuts for extracting colour channels, frames, etc |
channel<- | Replace part of an image with another |
channels | Split a colour image into a list of separate channels |
cimg | Create a cimg object |
cimg.dimensions | Image dimensions |
cimg.extract | Various shortcuts for extracting colour channels, frames, etc |
cimg2im | Convert cimg to spatstat im object |
color.at | Return pixel value at coordinates |
convolve | Convolve image by filter. |
correlate | Correlation of image by filter |
depth | Image dimensions |
deriche | Apply recursive Deriche filter. |
diffusion_tensors | Compute field of diffusion tensors for edge-preserving smoothing. |
dilate | Erode/dilate image by a structuring element. |
dilate_rect | Erode/dilate image by a structuring element. |
dilate_square | Erode/dilate image by a structuring element. |
displacement | Estimate displacement field between two images. |
display | Display image using CImg library |
display_list | Display image list using CImg library |
distance_transform | Compute Euclidean distance function to a specified value. |
enorm | Combining images |
erode | Erode/dilate image by a structuring element. |
erode_rect | Erode/dilate image by a structuring element. |
erode_square | Erode/dilate image by a structuring element. |
extract_patches | Return image patches |
extract_patches3D | Return image patches |
FFT | Compute the Discrete Fourier Transform of an image |
frame | Various shortcuts for extracting colour channels, frames, etc |
frame<- | Replace part of an image with another |
frames | Split a video into separate frames |
G | Various shortcuts for extracting colour channels, frames, etc |
G<- | Replace part of an image with another |
get.locations | Return coordinates of subset of pixels |
get.stencil | Return pixel values in a neighbourhood defined by a stencil |
get_gradient | Compute image gradient. |
get_hessian | Return image hessian. |
grayscale | Convert an RGB image to grayscale |
haar | Compute Haar multiscale wavelet transform. |
height | Image dimensions |
HSItoRGB | Colour space conversions in imager |
HSLtoRGB | Colour space conversions in imager |
HSVtoRGB | Colour space conversions in imager |
idply | Split an image along axis, apply function, return a data.frame |
iiply | Split an image, apply function, recombine the results as an image |
ilply | Split an image along axis, apply function, return a list |
im2cimg | Convert an image in spatstat format to an image in cimg format |
imager | imager: an R library for image processing, based on CImg |
imager.colourspaces | Colour space conversions in imager |
imager.combine | Combining images |
imager.replace | Replace part of an image with another |
imappend | Combine a list of images into a single image |
imcol | Various shortcuts for extracting colour channels, frames, etc |
imdirac | Generates a "dirac" image, i.e. with all values set to 0 except one. |
imdraw | Draw image on another image |
imfill | Create an image of custom size by filling in repeated values |
imgradient | Compute image gradient |
imhessian | Compute image hessian. |
imnoise | Generate (Gaussian) white-noise image |
imresize | Resize image uniformly |
imrotate | Rotate image by an arbitrary angle. |
imrow | Various shortcuts for extracting colour channels, frames, etc |
imsharpen | Sharpen image. |
imshift | Shift image content. |
imsplit | Split an image along a certain axis (producing a list) |
imsub | Select part of an image |
imwarp | Image warping |
im_split | Split an image along a certain axis (producing a list) |
interp | Interpolate image values |
isoblur | Blur image isotropically. |
label | Label connected components. |
liply | Apply function to each element of a list, then combine the result as an image by appending along specified axis |
load.image | Load image from file or URL |
mclosing | Erode/dilate image by a structuring element. |
mclosing_square | Erode/dilate image by a structuring element. |
medianblur | Blur image with the median filter. |
mirror | Mirror image content along specified axis |
mopening | Erode/dilate image by a structuring element. |
mopening_square | Erode/dilate image by a structuring element. |
mult | Combining images |
nPix | Image dimensions |
pad | Pad image with n pixels along specified axis |
parmax | Combining images |
parmin | Combining images |
periodic.part | Compute the periodic part of an image, using the periodic/smooth decomposition of Moisan (2009) |
permute_axes | Permute image axes |
pixel.grid | Return the pixel grid for an image |
pixel.index | Linear index in internal vector from pixel coordinates |
play | Play a video |
plot.cimg | Display an image using base graphics |
R | Various shortcuts for extracting colour channels, frames, etc |
R<- | Replace part of an image with another |
renorm | Renormalise image |
resize | Resize image to new dimensions. If pd[x,y,z,v]<0, it corresponds to a percentage of the original size (the default value is -100). |
resize_doubleXY | Resize image uniformly |
resize_halfXY | Resize image uniformly |
resize_tripleXY | Resize image uniformly |
resize_uniform | Resize image uniformly |
RGBtoHSI | Colour space conversions in imager |
RGBtoHSL | Colour space conversions in imager |
RGBtoHSV | Colour space conversions in imager |
RGBtosRGB | Colour space conversions in imager |
RGBtoYCbCr | Colour space conversions in imager |
RGBtoYUV | Colour space conversions in imager |
rotate_xy | Rotate image by an arbitrary angle, around a center point. |
save.image | Save image |
selectSimilar | Select a region of homogeneous colour |
spectrum | Image dimensions |
squeeze | Remove empty dimensions from an array |
sRGBtoRGB | Colour space conversions in imager |
stencil.cross | A cross-shaped stencil |
subim | Select part of an image |
threshold | Threshold grayscale image |
vanvliet | Young-Van Vliet recursive Gaussian filter. |
warp | Warp image |
watershed | Compute watershed transform. |
width | Image dimensions |
YCbCrtoRGB | Colour space conversions in imager |
YUVtoRGB | Colour space conversions in imager |
[.cimg | Array subset operator for cimg objects |