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Picture data processing method and device

An image processing and image processing unit technology, applied in image data processing, image communication, image enhancement and other directions, can solve problems such as inability to correct processing, ambiguity, etc., and achieve the effect of suppressing image quality degradation and improving processing speed

Inactive Publication Date: 2007-08-01
NORITZ CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If a part of the input image is trimmed, the reference position of the earliest trimming process is not clear, and there is a problem that the trimming process cannot be performed.

Method used

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  • Picture data processing method and device

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Embodiment Construction

[0024] Next, an embodiment of the photo image processing method and processing apparatus according to the present invention will be described. As shown in Figure 1, the photo image processing device is composed of the following components: after the photographic image formed on the color silver salt photographic film is photoelectrically converted, the photo image as a digital image is stored in the photo image input part of the memory 1; an image processing unit 2 that performs predetermined image processing on a color photo image input by the photo image input unit 1 to generate an output image; has a line buffer 28 that sequentially outputs the generated output image, and According to the output image from the line buffer 28, the image exposure section 3 of the exposure head 34 that exposes the photosensitive paper; the development processing section 4 that develops the exposed photosensitive paper; cuts the photosensitive paper after the development process in grid units a...

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Abstract

Provided is a method and an apparatus of processing photographic image data by which a processing speed is improved while suppressing deterioration in image quality. The photographic image processing method is provided with a plurality of image processing steps for applying predetermined image processing to an inputted photographic image to generate an output image. The method executes a specific image processing step including enlarging / reducing processing for changing the number of pixels between the number of pixels before and after the processing, a first image processing step for executing first image processing for suppressing a granular noise or distortion components from the photographic image in preference to the image processing in the specific image processing step, and a second image processing step for executing second image processing such as color balance correction or saturation correction after the image processing in the first image processing step and before or after the image processing in the specific image processing step.

Description

technical field [0001] The present invention relates to a photo image processing method and device having a plurality of image processing steps to generate an output image after predetermined image processing is performed on an input photo image. Background technique [0002] In the digital image processing of the prior art, the general image processing method is to perform various image correction processes such as density change, color change, and chromaticity change on the input image, and after the correction process, transform the image The number of pixels to generate the output image. However, when the number of pixels of the output image is less than the number of pixels of the input image, as a method that can effectively use the memory used for image processing and speed up the image processing, an image with the following stages has been proposed. Processing method: the image input stage of the input image; the input image pixel number detection stage of detectin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/393H04N1/40H04N1/60G06T3/00G06T3/40G06T5/00
Inventor 铃木卓麻仓本寿一岩崎龙一
Owner NORITZ CORP