摘要:
A pixel interpolating device using the IM-GPDCT method and capable of preventing noise generation divides an original image into a plurality of blocks and picks up a block to be processed as a target block. Further, an image peripheral to the target block is extracted as a peripheral image. By using the peripheral image as an extension region, DCT transform is carried out. Thereafter, the peripheral image is magnified, and the IM-GPDCT processing is carried by using the magnified image.
摘要:
The amount in offset of toner or the like is used to determine two points sandwiching lattice points of input data and divide the region between the two points equally in N−1. The output values at the two points and each point equally dividing the region are obtained to calculate gradients m1-m8 between any two adjacent ones of the points. Then, difference values dm1-dm7 in gradient between any two adjacent ones of the straight lines are calculated and (N−1) lattice points serving as dividing points are selected from the difference values in descending order. It should be noted that N is smaller than M. Then, the input and output values of the determined (N+1) lattice points N0-N4 are plotted and they are bounded by straight line and thus plotted to linearly interpolate the output data for the input data. Thus, an image processing apparatus can be provided capable of precisely modifying output images with reduced memory capacity.
摘要:
An image processing apparatus is provided in which the frequency of undesired delay of the image output can be reduced. The image processing apparatus comprises an image processor for performing a process defined by a parameter on the image data of the received job, a decision portion for deciding a state of the image data of the received job, and a controller for setting a parameter in accordance with the state that is decided by the decision portion if an interval between the received job and the previously received job is longer than a predetermined time, and for setting the parameter that was used in the last job despite the state that is decided by the decision portion if the interval is not longer than the predetermined time.
摘要:
An image processing apparatus is provided in which the frequency of undesired delay of the image output can be reduced. The image processing apparatus comprises an image processor for performing a process defined by a parameter on the image data of the received job, a decision portion for deciding a state of the image data of the received job, and a controller for setting a parameter in accordance with the state that is decided by the decision portion if an interval between the received job and the previously received job is longer than a predetermined time, and for setting the parameter that was used in the last job despite the state that is decided by the decision portion if the interval is not longer than the predetermined time.
摘要:
An apparatus, a method and a system for image processing with a color correction device are provided in which the number of times of automatic execution of calibration is reduced and the performance of an image output apparatus is used adequately. The apparatus includes a color space conversion portion 110 for converting input image data D1 into data D1s of a standard color space and a reproduction range decision portion 111 for deciding whether the input image data D1s that were converted into the standard color space are within a reference range of a color reproduction in an image output. If it is decided that the input image data are out of the reference range, the calibration is performed so that the color reproduction range is made close to the reference range.
摘要:
An image processing apparatus for outputting an image by a printer or a display is provided, in which color reproducibility in the image output of plural pages becomes uniform. The apparatus comprises an image memory for memorizing image data of all pages of one output job that is given to an output device, decision portion for deciding whether the image data of all pages are data within a color reproduction range of the output device or not. A color compression process is performed for the image data of all pages uniformly only when it is decided that the image data of all pages are not data within the color reproduction range of the output device.
摘要:
An image processing apparatus is provided in which the frequency of undesired delay of the image output can be reduced. The image processing apparatus comprises an image processor for performing a process defined by a parameter on the image data of the received job, a decision portion for deciding a state of the image data of the received job, and a controller for setting a parameter in accordance with the state that is decided by the decision portion if an interval between the received job and the previously received job is longer than a predetermined time, and for setting the parameter that was used in the last job despite the state that is decided by the decision portion if the interval is not longer than the predetermined time.
摘要:
A data communication apparatus and method are provided in which a faithful color reproduction is enabled in the reception side. The data communication apparatus comprises a first communication portion for a first form of image data communication, a second communication portion for a second form of image data communication and a transmission controller for selecting one of the first form and the second form in accordance with information indicating a color reproduction range of image output in the other end. The image data are transmitted to the other end by the first or the second communication portion corresponding to the selected form.
摘要:
An image output system is realized in which many operations are not required for the color reproduction. As a preprocessor of an output device 20 for reproducing an image, an image processing apparatus 100 is provided that comprises attribution decision portions 152 and 153 for deciding the attribution of input image D1, a color decision portion 151 for deciding whether the input image is an image within a color reproduction range or not, a color range change portion 120 for changing the color range of the input image when it is decided that the input image is not an image within the color reproduction range and a process contents switching portion 123 for switching the change contents of the color range in the color range change portion 120 in accordance with the decisions of the attribution decision portions 152 and 153.
摘要:
In order to efficiently process image data in a circuit dividing single image data into a plurality of data and processing the data with a plurality of MPUs in parallel with each other, the MPUs process image data input through an input image data in parallel with each other. An address bus inputs addresses of the image data, and address memories provided on the MPUs store the addresses of the image data processed by the MPUs respectively. When the image data are completely processed, the image data are output through an output image bus while the addresses of the image data are output through the address bus.