摘要:
Every time density correction information corresponding to a colorimetric value of a patch is acquired, the time when the density correction information is acquired and the type of a printing medium on which the patch is printed are accumulated in association in a memory. The type of a medium for printing is specified by a user; density correction information acquired at the most up-to-date time for each chromatic color ink available for the medium of that type is read from the memory; it is determined whether or not the most up-to-date time when the density correction information is acquired for each of the chromatic color inks available for the specified medium is the same time; if the most up-to-date times are the same, density correction is performed on image data, using a correction table that corresponds to the density correction information acquired at the most up-to-date time.
摘要:
Input data in a color space dependent on input device is converted into first data in a device-independent color space based on input viewing condition. Through forward conversion based on a perception model corresponding to the input viewing condition, the first data is converted into second data in a color perception space in accordance with specified color-space compression mode. The second data is converted into third data through color-space compression based on a gamut of first output device. The third data is converted into fourth data through color-space compression based on a gamut of second output device. Through inverse conversion based on a perception model of the second output device, the fourth data is converted into fifth data in a device-independent color space based on viewing condition of the second output device. The fifth data is converted into output data in a color space dependent on the second output device.
摘要:
An image processing method according to the present invention comprises the step of; inputting a plurality of images; reducing a first image of the plurality of images to a reduced image in a predetermined ratio; specifying a feature point included in the reduced image, on the basis of image data of the reduced image; designating a feature point in the first image so that the feature point corresponds to the feature point in the reduced image; calculating a corresponding point which is similar to the feature point in the first image, from a second image of the plurality of images by using a filter, the filter being corresponding to the predetermined ratio at time of reducing the first image; and determining a motion vector between the first image and the second image on the basis of the feature point and the calculated corresponding point.
摘要:
A printing apparatus determines the print orientation of an image so that a degraded print quality area is located at the bottom of the image and prints the image based on the determined orientation so as to decrease print quality degradation caused by the print characteristics of a printer associated with paper feed.
摘要:
The present invention is to provide methods and apparatuses for creating color conversion definition to make the same output result appear without any uncomfortable feeling when a same output result is observed under different illumination lights. To achieve this, the method comprising the successive steps of: (a) assuming an observational environment under an illumination light in which a difference in color appearance of an output result of the image output device in a plurality of observational environments with different illumination lights to observe the output result is made less; (b) determining measured color values of a device color of the image output device in the observational environment under the illumination light in which a difference in each color appearance is made less; and (c) creating a color conversion definition on the basis of the measured color values of the device color of the image output device determined at step (b).
摘要:
In a data transmission system with such a construction that a plurality of terminal units are connected to a first and a second loop transmission line for transmitting messages in a first direction and in a second direction which is opposite to said first direction, respectively, through a pair of transmission control units (the one unit being connected to said first loop transmission line with the other unit being connected to said second loop transmission line), each transmission control unit sends a check message sequentially in order to check the state of a minor loop which connects two adjacent pairs of transmission control units. This check message has a data field, in which an initial value is set at the sending time. The value of this data field is incremented by one in each transmission control unit through which the message passes to make a round through the minor loop. Each transmission control unit decides as to whether the value of the data field of the received check message has a prescribed value or not, thereby to discriminate if the message generated by the transmission control unit itself has made a round through the minor loop and returned. If the sent out check message is not received within a prescribed period (after sending), the transmission control unit confirms the presence of an abnormality on a minor loop with the unit as a start point, and thereafter switches its operation to use the bypass transmission line for sending usual messages.
摘要:
A processor executes a program and reduces reference and comparative images to reduced reference and comparative images, in a ratio of ½, by setting a pixel signal value of each pixel in each image using pixel signal values for each of four pixels in each of the images. The processor specifies (i) a first corresponding point similar to a first feature point included in the reduced reference image, from the reduced comparative image, using a first filter for 3×3 pixels, and (ii) a second corresponding point similar to a second feature point in the reference image, corresponding to the first feature point, from the comparative image, using a second filter for 5×5 pixels, on the basis of a position of the first corresponding point specified in the reduced comparative image.
摘要:
The present invention is to provide methods and apparatuses for creating color conversion definition to make the same output result appear without any uncomfortable feeling when a same output result is observed under different illumination lights. To achieve this, the method comprising the successive steps of: (a) assuming an observational environment under an illumination light in which a difference in color appearance of an output result of the image output device in a plurality of observational environments with different illumination lights to observe the output result is made less; (b) determining measured color values of a device color of the image output device in the observational environment under the illumination light in which a difference in each color appearance is made less; and (c) creating a color conversion definition on the basis of the measured color values of the device color of the image output device determined at step (b).
摘要:
When a feature point in a first image is employed to search for corresponding points in a second image, there is a case wherein an appropriate motion vector can not be determined, such as a case wherein multiple corresponding point choices are present, or no corresponding points are found. Therefore, when a corresponding point that has a high similarity to the feature point in the first image is not specified in the second image, a motion vector that is to be determined for a feature point, other than the feature point in the first image, is examined, and a motion vector for this feature point is determined.