A method in accordance with claim 8, wherein the other color values are reduced by a threshold value.ġ3. A method in accordance with claim 9, wherein the spill color value is the blue color value.ġ2. A method in accordance with claim 9, wherein the spill color value is the green color value.ġ1. A method in accordance with claim 8, wherein the color values include red, green and blue color values.ġ0. A method for generating a spill matte for a foreground object, comprising: examining color values for each pixel in a foreground object determining if a spill color value for each pixel is greater than either of its color values and assigning a color correction value to each determined pixel.ĩ. A method according to claim 1, further including determining a replacement color for effecting the color correction.Ĩ. A method according to claim 1, wherein the color correction information includes chrominance correction and luminance correction.ħ. A method according to claim 1, wherein generating the spill matte follows keying the foreground image to generate a key matte.Ħ. A method according to claim 1, wherein the spill matte is displayed as a greyscale image.ĥ. A method according to claim 1, wherein modifying the spill matte includes adjusting any of softness, threshold, min/max, pre-blur, post-blur and shrink/grow properties.Ĥ. A method according to claim 1, wherein generating the spill matte includes: examining color values for each pixel in the foreground object determining if a spill color value for each pixel is greater than either of its other color values, less a threshold value, and a softness value and assigning a color correction value to each determined pixel.ģ. A method for spill correction in a compositing process, comprising: generating a spill matte associated with color correction information relating to a foreground object modifying the spill matte displaying the modified spill matte and applying the modified spill matte to an alpha channel of a foreground image to control application of the color correction information to the foreground image.Ģ. Pixel color modification using look-up tables in image reproduction systemĬomprehensive electronic compositing systemĪutomated encoded signal color image compositingĮlectronic composite photography with color controlġ. Method of and arrangement for deriving a control signal for inserting a background signal into parts of a foreground signal Method and apparatus for displaying a composite image made up of a foreground image and a background imageĬhromakey method for processing picture signals in which fading operations are performed in proportional zones based on a control signalīacking color and luminance nonuniformity compensation for linear image compositingĬhroma keyer with correction for background defectsĬhroma processor including a look-up table or memory Graphical display of chroma keyer controls Method and apparatus for extracting and treating digital images for seamless compositing Method for generating non-visible window edges in image compositing systems Method and apparatus for adjusting parameters used by compositing devicesīacking color and luminance nonuniformity compensation Method for removing from an image the background surrounding a selected objectĬomprehensive method for removing from an image the background surrounding a selected subjectīacking luminance non-uniformity compensation in real-time compositing systems Methods and apparatus for changing a color of an image Method for removing from an image the background surrounding a selected subject by generating candidate mattes Method and apparatus for color manipulation Method and apparatus for inhibiting projection of selected areas of a projected image Edge enhancement correction for improved image quality
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