Login to post Please use English characters only. Maps an image to colored hexagons whose color is defined by the replaced pixels. Discussion The output image is typically used as input to another filter. Either multiplies or screens colors, depending on the source image sample color. Conditionally replaces background image samples with source image samples depending on the brightness of the source image samples. Discussion This is similar to dodging.

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It operates on the luminance of the image; the chrominance of the pixels remains unaffected. The data to be encoded as an Aztec code. Darkens the camerq image samples to reflect the source image samples. Discussion Shades of gray in the mask image vary the blur radius from zero where the mask image is black to the radius specified in the inputRadius parameter where the mask image is white.

Discussion For each pixel, the value of each color component is treated as the input to a cubic polynomial, whose coefficients are taken from the corresponding input coefficients parameter in ascending order.

The length, in texels, of each side of the cube texture. The focused region of the image stretches in a line between inputPoint0 and inputPoint1 of the image.

Discussion If more than one pixel exists with the minimum alpha value, Core Image returns the vector that has the lowest x and y coordinate. Discussion The image is scaled and cropped so that the rotated image fits the extent of the input image. Produces a continuous three-dimensional, loft-shaped height field from a grayscale mask. Creates a cinox lens and distorts the portion of the image over which the lens is placed.


Are you a Camera Expert? Creates polygon-shaped color blocks by aggregating source pixel-color values. Uses a three-dimensional color table to transform the source image pixels.

Core Image Filter Reference

Applies a preconfigured set of effects that imitate black-and-white photography film with low contrast. The curve is applied in a perceptual gamma 2 version of the working space.

This operation is performed independently for each color component including the alpha componentand the resulting value is clamped to the range between 0.

Discussion You typically use the output of the sunbeams filter as input to a composite filter. This filter flattens colors to achieve a look similar to that of a silk-screened poster.

This mode preserves the gray levels in the image. Rotates the source image by the specified angle in radians. Spreads source pixels by an amount specified by a Gaussian distribution.

Softens edges and applies a pleasant glow to an image. Discussion You can specify the cbox of rotations as well the cbox and radius of the effect.


There are four possible correction modes with corresponding error resilience levels:. Discussion The extent of the rectangular output image varies based on the size and placement of the specified quadrilateral region ciboxx the input image. Adjusts the exposure setting for an image similar to the way you control exposure for a camera when you change the F-stop. Applies a perspective transform to an image and then tiles the result. Multiplies source color values and adds a bias factor to each color component.

You will need to enter a code to download the PDF. Finds all edges in an image and displays them in color.

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Localized Display Name Gaussian Gradient. Transitions from one image to another by simulating a swiping action. Modifies the pixel values in an image by applying a set of cubic polynomials. Discussion A convolution filter generates each output pixel by summing all elements in the cameraa product of two matrices—a weight matrix and a matrix containing the neighborhood surrounding the corresponding input pixel—and adding a bias.

Brightens ciibox background image samples to reflect the source image samples.