Let’s start to write our first program to get the idea. This will demonstrate how to. The CImg Library – C++ Template Image Processing Toolkit. FAQ Summary. General information and availability. What is the CImg Library?.

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It also handles image collections and sequences.

Draw a 2D line, with z-buffering. Compute isosurface of a function, as a 3D object [overloading]. Return a pointer to a located pixel value. Construct empty image [in-place version].

c++ – How to use ‘CImg’ and it’s basic functions – Stack Overflow

Access to a pixel value, using Dirichlet boundary conditions [const version]. Save image using GraphicsMagick’s external binary. Finding pieces of code in CImg functions or methods is particularly easy and fast. Launch simple interface to select a shape from an image. Compute the tangent of each pixel value.

Draw a color-interpolated 2D triangle. Resize image to become a scalar square matrix [new-instance version]. It documentatoon designed to help me and my colleagues developing various image processing algorithms, for datasets as simple as 2D scalar images, or as complex as 3D volumes of diffusion tensors.

Documentatuon image by a rectangular structuring element of specified size. Note Similar to CImg unsigned int,unsigned int,unsigned int,unsigned intbut it also fills the pixel buffer with the specified value.


Return the number of image columns. Note It has been defined for compatibility with STL naming conventions. Load 3D object documenyation a. Test if image depth and spectrum are the same as that of cimgg image. Test if image instance is empty. Transfer content of an image instance into another one [specialization].

Construct image with specified size. Compute correspondence map between two images, using the patch-match algorithm [overloading]. Fill pixel values along the C-axis at a specified pixel position [overloading].

Fill sequentially pixel values according to the values found in another image. Sort pixel values and get sorting permutations [new-instance version].

The CImg Library Documentation

Unroll pixel values along axis y. Replace the image by an identity matrix [new-instance version].

Construct image with specified size and initialize pixel values. Warning The allocated pixel buffer is not filled with a default value, and is likely to contain garbage values.

Draw a filled 2D polygon.

Solve a tridiagonal system of linear equations [new-instance version]. Replace the image instance by the matrix multiplication between the image instance and the specified matrix img. If expression is a filename as in “reference. Autocrop image region, regarding the specified background color cmg.

Return a shared-memory image referencing a range of rows of the image instance. For this purpose, use pow const t instead. Load image from a DLM file. Test if pixels of an image are all different from a value.

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The CImg Library – C++ Template Image Processing Toolkit

Get vector-valued pixel located at specified position. Return pixel value, using cubic interpolation and Dirichlet boundary conditions for the X,Y and Z-coordinates. Return pixel value, using cubic interpolation and Neumann boundary conditions for the X,Y and Z-coordinates.

Invert the instance image, viewed as a matrix. Estimate displacement field between two images [new-instance version]. Load image using ImageMagick’s external tool ‘convert’ [new-instance version]. Compute chamfer distance to a specified value, with a custom metric [new-instance version]. Mirror image content along specified axes. The first function fill 0 simply sets all pixel values with docymentation i. Before each release, the CImg Library is compiled under these different configurations: Constructing docukentation copy from an image img when types t and T are the same is significantly faster than with different types.

Load image from a RGB file. No need for exotic or complex dependencies.