Abstract: An image processing apparatus includes a conversion unit for scanning an original and converting an original image into image data, a binarization unit for binarizing first image data converted by the conversion unit, a memory unit for storing the first image data binarized by the binarization unit, a synthesizing unit for reading out the binary first image data stored in the memory unit and synthesizing the readout binary first image data and second image data converted by the conversion unit, and a zoom processing unit for performing zoom processing of the binary first image data independently of the second image data before synthesis by the synthesizing unit and after write access of the binary first image data.

Abstract: A color image processing apparatus is disclosed wherein an edge portion of an achromatic area is detected to emphasize the edge portion and reduce the density of a chromatic area near the edge portion, and the reduced chromatic portion signal is further suppressed, such that the half tone area can be processed at high gradation and the black character and line image can be outputted in more black and with high resolution, resulting in less color bleeding.

Abstract: An image processing apparatus includes an input unit for inputting a plurality of color component signals of a primary color system, a detection unit for detecting a value according to a minimum value signal of the color component signals input by the input unit, and a discrimination unit for discriminating a dot area of an image on the basis of the value according to the minimum value signal detected by the detection unit.

Abstract: An image processing apparatus of this invention includes a unit for calculating an average value in a first block pixel area including an objective pixel, a unit for calculating an average value in a second block pixel area including the objective pixel, and a binarization unit for determining, as a binary output of the objective pixel, a binarization result obtained by binarizing the average value in the second block pixel area by the average value in the first block pixel area as a threshold value.

Abstract: A front body of a vehicle has a pair of front side frames, which are separately located in a transverse direction of the vehicle and extend in a lengthwise direction, from front to back, of the vehicle. Each front side frame is rigidly attached, at one side, with a front wheel apron, and at another side with an upper shroud beam which extends in the transverse direction so as to form a radiator grill receiving opening. A space for receiving a head lamp is formed between the front wheel apron and the upper shroud beam on the front side frame.

Abstract: A color image reading apparatus having a color sensor with plural sensor groups, the color sensor for separating an objective image into plural color components and for converting the plural color components into plural color component signals, and a shading corrector for performing shading correction for the plural color component signals. The shading corrector causes the plural sensor groups to substantially simultaneously read a reference plate and automatically corrects a shading correction state for each of the plural color component signals in accordance with data obtained from the plural sensor groups.

Abstract: An image forming apparatus has as control unit which controls an image formation area on a photosensitive drum in accordance with original document size information detected by an original document size detector and magnification/reduction scale determined by a selected magnification/reduction mode. Unnecessary area other than a desired image formation area is discharged.

Abstract: An edge portion of an achromatic area is detected to emphasize the edge portion and reduce the density of a chromatic area near the edge portion, and the reduced chromatic portion signal is further suppressed, such that the half tone area can be processed at high gradation and the black character and line image can be outputted with more black and high resolution, resulting in less color bleeding.

Abstract: An image processing apparatus includes first and second input units for inputting an image data, a memory for storing first image data input by the first or second input unit, and a processor for processing second image data input by the first or second unit using the image data stored in the memory.

Abstract: An image processing apparatus reads an image and synthesizes it with another, broadcast-standardized image signal supplied from outside the apparatus and stored in a memory provided in the apparatus.

Abstract: A color image forming apparatus including; a discriminating circuit for discriminating a character portion of an object color image; a color image forming device for forming a color image, and able to change the image forming resolution; and a control circuit for causing change of the resolution of the color image forming device in accordance with the discrimination result provided by the discriminating circuit.

Abstract: There is provided an image processing apparatus for modulating a concentration of input image data, comprising: an inputting device to input image data; a RAM to store first image data input by the inputting device; a processing unit to execute a modulating process to at least one area such as a non-rectangular area in second image data input by the inputting device by using the first image data stored in the RAM; and a detector to detect a predetermined color of the second image data. The area is specified by the color detected by the detector. The inputting device includes a CCD for reading an original and generating RGB color component signals. With this apparatus, a texture process is executed to at least one non-rectangular area and the result can be output in a real-time manner.

Abstract: A halftone image recording apparatus includes means for recording an image on a recording medium, inputting an image signal representative of an image which includes a plurality of density levels, generating a plurality of pulsed periodic signals having different widths of one period of the image signal, selecting at least one periodic signal with a preselected pulse width among a plurality of the periodic signals, combining the selected periodic signal with the image signal, and applying the combined signal to the recording means.

Abstract: There is disclosed a color image processing apparatus comprising color conversion circuit for converting image data to a desired color, feature extraction circuit for extracting a feature of the image data and image correction circuit for correcting the image data on the basis of the feature extraction circuit, characterized in that a color conversion processing is executed prior to extraction of feature from the image data.

Abstract: A color film reading apparatus of this invention has holding means for holding a color negative film therein; illuminating means for projecting illumination light onto the color negative film; reading means for reading image data from the color negative film; shading correcting means for performing shading correction; and controlling means for controlling the reading means to cause the reading means to read data relative to an unexposed portion of the color negative film to thereby obtain shading correction data for the shading correcting means. The apparatus is capable of generating high-gradation color signals from either of color negative and positive films. This invention further provides an image forming apparatus capable of producing a high-gradation image from either of a film-type original document or a reflection-type original document.

Abstract: A method of effective processing of image information with a limited memory capacity, by dividing elementary picture elements representing image information into unit pixels each containing at least two elementary pictire elements, counting the number of picture elements of a determined density level in each unit pixel and generating a density signal corresponding to the number of thus counted elementary picture elements.

Abstract: A color film reading apparatus capable of generating high-gradation color signals from either a color negative or positive film includes a holding device for holding a color negative film, illuminating apparatus for projecting illumination light onto the color negative film, a reading unit for reading image data from the light projected through the color negative film, and shading circuitry for performing shading correction. Control circuitry controls the reading unit to cause the reading unit to raed data from an unexposed portion of the negative to obtain shading correction data. In the case of a positive film, the controlling circuitry sets the shading correction data on the basis of data obtained from the illumination light. Further, a high-gradation color image may be obtained from either a film original or a reflection from an original document.

Abstract: A color image processing apparatus such as a color copying machine has a color appointing device for enabling an operator to appoint any desired color involved in an original image, a color range changing device for manually or automatically changing the size of range of the colors which can be regarded as being the same as the predetermined color, a target color appointing device for appointing a color to which the predetermined color is to be converted, and a color image forming device such as a laser beam printer for forming a color image with the predetermined color and colors in the color range converted into the target color.

Abstract: There is disclosed an image forming apparatus for achieving plural image processing modes. The original image is divided into plural areas, and a monocolor or multi-color reproduction is selected for each of the thus divided areas, so that the resulting reproduction contains a mixture of monocolor image areas and multi-color image areas.

Abstract: An image processing apparatus receives color data and includes a masking processing circuit for modifying the colors represented by the color data by processing each of the different color data received. The colors are modified according to other color data associated with each of the colors represented by the color data. The masking processing circuit includes a first memory for storing data representing each color and a second memory for storing data from the data derived after masking processing the data stored in the first memory. The color data and the other color data are used as addresses in the first and second memory. The number of bits of each color data used as an address for each respective color is larger than the number of bits for each of the other color data received at that portion of the memory.