Birchfield - Tomasi dissimilarity - Birchfield - Tomasi dissimilarity is a local image-matching cost designed to reduce sensitivity to how a continuous image signal is sampled onto pixel grids.
Blind deconvolution - Blind deconvolution is the estimation of a sharper underlying signal or image when the blurring process is also unknown or only partly known.
Block matching - Block matching is an image-processing method that compares a small rectangular patch with candidate patches to find similar content.
Block-matching and 3-D filtering (BM3D) - Block-matching and 3-D filtering, usually called BM3D, is an image-denoising method that groups similar two-dimensional patches into three-dimensional...
Boundary leakage - In Fourier image analysis, boundary leakage is unwanted spectral energy caused by a mismatch where opposite image edges meet under the discrete Fourier...
Bounding box - A bounding box is a rectangular region used to indicate the location and approximate extent of an object or other area of interest in an image.
Boustrophedon cell decomposition - Boustrophedon cell decomposition divides a robot's free workspace into regions that can be covered with orderly back-and-forth passes.
Box filter - A box filter is an image filter that combines values within a rectangular neighborhood using equal weights.
Brown - Conrady model - The Brown - Conrady model is a camera-distortion model that describes departures from ideal perspective projection using radial and tangential terms.
Bundle adjustment - Bundle adjustment is an optimization procedure that jointly refines camera parameters and, in many reconstruction settings, three-dimensional point...
Burst photography - Burst photography captures a sequence of images in rapid succession.
Burst super-resolution - Burst super-resolution reconstructs a higher-resolution image from multiple rapidly captured frames that contain complementary spatial samples.
Calculus of variations - The calculus of variations is a branch of mathematics for finding functions that make a functional stationary or optimal.
Camera path - A camera path is the trajectory of a camera's position and orientation over time, or an image-based representation of that motion.
Canny edge detector - The Canny edge detector is a classical image-processing method that finds thin image edges through smoothing, gradient analysis, non-maximum suppression and...
CAPTCHA - CAPTCHA means “Completely Automated Public Turing test to tell Computers and Humans Apart.
Catmull - Rom - Catmull - Rom is a family of interpolating cubic constructions.
Center-surround - Center-surround describes a receptive-field or filter arrangement in which a central region and its surrounding neighborhood have opposing influences.
Central moment - A central moment is a summary of a distribution calculated from deviations around its mean.
Chroma keying - Chroma keying is a compositing technique that separates a subject from a background using color information, commonly from a green or blue screen.
Circular convolution - Circular convolution combines two finite sequences while treating their indices as periodic, so values that pass one end wrap around to the other.
Closed-form matting - Closed-form matting is an image-matting method that estimates foreground opacity by constructing and solving a quadratic optimization problem under local...
Co-occurrence matrix - A co-occurrence matrix counts how often pairs of values appear together under a specified relationship.
Coarse-to-fine alignment - Coarse-to-fine alignment is a method for matching images by estimating their displacement at a reduced resolution and then refining that estimate at...
Coarse-to-fine warping - Coarse-to-fine warping is a multiscale image-matching procedure that repeatedly transforms one image using a current motion estimate and then estimates the...
Coded aperture - A coded aperture is a deliberately patterned opening or mask that changes how light reaches an imaging sensor.
Color difference (R−G, B−G) - Color difference signals R−G and B−G represent the red and blue channel values relative to the green channel at the same image location.
Color filter array (CFA) - A color filter array, or CFA, is a spatial pattern of tiny optical filters associated with an image sensor's photosites.
Color fringing - Color fringing is an unwanted colored border or halo around an image feature, often most visible at a high-contrast edge.
Color gamut - A color gamut is the range of colors that a device, medium or defined color representation can reproduce or represent under specified conditions.
Color grading - Color grading is the deliberate adjustment of an image's color and tonal appearance to support a consistent visual style, mood or storytelling purpose.
Color histogram - A color histogram summarizes how frequently different colors, or ranges of color values, occur in an image or selected region.
Color layout descriptor - A color layout descriptor is a compact representation of where broad colors occur within an image.
Color models - Color models are mathematical ways of describing color through components or coordinates.
Color quantization - Color quantization reduces the set of colors used to represent an image, typically by mapping original colors to a smaller palette.
Color transfer - Color transfer changes an image's color appearance using another image or a reference color distribution as guidance.
Color2Gray - Color2Gray is a color-to-grayscale method designed to preserve visually important distinctions that can disappear when an image's color information is removed.
Colorization (scribble-based) - Scribble-based colorization adds color to a grayscale image using sparse color marks supplied by a person.
Combinatorial explosion - Combinatorial explosion is the rapid growth in the number of possible combinations, arrangements or decision sequences as a problem becomes larger.
Complex steerable pyramid - A complex steerable pyramid is a multiscale image representation that separates image structure into orientation-selective bands with complex-valued...
Compositing equation - The compositing equation describes how foreground color, background color and a mixing value combine into an observed pixel.
Compressive sensing - Compressive sensing, also called compressed sensing, is a framework for recovering signals from fewer measurements than their full ambient dimension by...
Computational complexity - Computational complexity studies how the resources required for a computation grow with input size.
Computational imaging - Computational imaging combines physical measurement and computation to form images or recover scene information.
Computational photography - Computational photography uses algorithms together with captured light measurements to form, improve, or extend photographic images.
Computer vision - Computer vision is the field of developing methods that extract useful information from images, video and other visual measurements.
Computer vision dazzle - Computer vision dazzle is a visual camouflage approach that explores whether changes in appearance can disrupt particular computer vision systems while...