摘要:
An image processing method and apparatus wherein document information is separated by using an optical device into two colors that are complementary to each other, converted photo-electrically and processed by using a photo-electric conversion device, and extracted on the basis of the result of processing by using a color extraction information generation device, and a color information designated by the color extraction information of the color extraction information generation device is stored in a color information storage device.
摘要:
A color image processing technique using optics to separate an original color image into a plurality of colors. These colors are photoelectrically converted to electric signals. Color information signals are then generated from these electric signals. The color information signals are coded by comparing them with a threshold value. An individualized set of such threshold values is provided for each of the plurality of colors. In one embodiment, a luminance signal is provided from the color information signals. The luminance signal is utilized in response to a monochrome code selection signal to enable the original color image to be reproduced as a monochrome image. Color gamut information and color density information of the color gamut can be obtained from the color information signals during a first scan of a document bearing the color image.
摘要:
An image processing apparatus in which first color image signals of an original are separated into a plurality of color images and the optical information of the color image is converted to an electrical signal for each pixel of the image. The first color image signal is processed to generate a second color image signal which corresponds to each of the pixels, has a plurality of bits and carries density data and color data, the color data designating which one of a plurality of predetermined colors the color of the pixel belongs to, and image processing device for processing the second color image signal.
摘要:
This invention relates to a color image processing apparatus capable of processing color image signal, and specially relates to a color image processing apparatus applicable to a simple color recording machine. To record outside or inside of a region enclosed with a color marker by converting into a designated specific color, the invention is characterized in that color image information is formed by optically scanning a document having a closed region designated with the specific color, thereby obtaining a plurality of color data and performing color converting process on a color inside or outside of the closed region on the basis of the specific color.
摘要:
A color image processing apparatus wherein different color filters are provided in an image pickup device corresponding to plural groups of small pixels, each group of which is one unit of color pixels, and color image signals are obtained from the common position of the small pixel groups by suitably interpolating color image signals obtained from the small pixel groups.
摘要:
An image processing method and apparatus for detecting at least one region designated by at least one line of at least one closed loop on an original, wherein the original is scanned and an image formation is generated; the image information is processed for generating image data and region data which represent said at least one designated region; and the region data is processed for each scanning line. The processing of the region data comprises detecting a right end margin and a left end margin of the designated region for generating a marginal signal for the present scanning line corresponding to an interval from the right end margin to the left end margin; detecting a portion of the marginal signal continuous to a region signal for a preceding scanning line to generate a provisional region signal; detecting a portion of the provisional region signal which indicates an outside of the designated region for the present scanning line for generating an outside region signal for the present scanning line; detecting a region-designating signal for the present scanning line which is not continuous to the region signal for the preceding scanning line to generate a new region-designating signal for the present scanning line; and adding the new region-designating signal to, and for subtracting the outside region signal from, the provisional region signal to generate a region signal for the present scanning line.
摘要:
Disclosed is an image processing apparatus for processing digital color image data, wherein there are provided an image input circuit for introducing color image signal into a conversion circuit which generates digital color image data including color data and density data, a data processing circuit which includes a plurality of image processing circuits for processing the color data and the density data, and wherein latch circuits are further provided to each of the plurality of image processing circuits so that the color code data and the density data are respectively latched every after passing through the plurality of image circuit.
摘要:
An apparatus for providing high-quality enlarged or reduced image by employing a simple circuit configuration which incorporates an interpolation method. For this purpose, the apparatus is so constituted that the interpolation data is provided to compensate for a gap of data between pixels in the entire image data, and that the interpolation data are produced from look-up tables based on interpolation data selection signals which are outputted in accordance with a designated scale ratio.
摘要:
An image processing apparatus includes an image data forming unit for forming density data corresponding to each of a plurality of color components including an achromatic color and color data for discriminating a chromatic color portion from an achromatic color portion of an image, the density data and the color data being formed in units of pixels on the basis of original image information, a density data selector for selecting one of a plurality of density data output from the image data forming unit, color ghost correction for unit for changing the color data of a pixel when a serial arrangement of color data of a plurality of successive pixels including the pixel coincides with one of a plurality of predetermined patterns.
摘要:
A method of and apparatus for shading correction wherein a reference voltage of an A/D converter converting an image signal into a digital signal is set as a shading correction signal. The image signal and the shading correction signal are designed to be of different level from each other in the timing out of the effective period of the image signal. The shading correction signal is outputted in the timing during the effective period of the image signal and the reference voltage is outputted in the timing out of the effective period of the image signal.