Red eye image correction device, electronic camera and red eye image correction program product

a technology of red eye image and red eye portion, applied in the field of red eye image correction device, electronic camera and red eye image correction program product, can solve the problem of long time-consuming red eye portion extraction processing

Inactive Publication Date: 2005-08-11
NIKON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0019] According to the 11th aspect of the invention, a computer-readable computer program product contains a red eye image correction program. The red eye image correction program comprises: an instruction code for executing reduction processing on an image so as to retain color component information contained in the image and generating a sub image with a smaller data size than the image; an instruction code for detecting data corresponding to red eye portions in data constituting the sub image; an instruction code for obtaining through calculation second position information indicating positions of data corresponding to the red eye portions in data constituting the image by using first position information indicating positions of the detected data in the sub image data; and an instruction code for executing red eye correction on the data of the image indicated by the second position information.

Problems solved by technology

A problem with the method, in which the red eye data portion is extracted from the entire image data, is that when the data size of the image data is large, the red eye portion extraction processing takes a long time.

Method used

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  • Red eye image correction device, electronic camera and red eye image correction program product
  • Red eye image correction device, electronic camera and red eye image correction program product
  • Red eye image correction device, electronic camera and red eye image correction program product

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Embodiment Construction

[0024] The following is an explanation of a preferred embodiment of the present invention, given in reference to the drawings. FIG. 1 is a block diagram of the essential structure adopted in an electronic camera 10 achieved in an embodiment of the present invention. A CPU 101 in FIG. 1 is constituted with a microcomputer and the like. The CPU 101 executes specific arithmetic operations by using signals input thereto from various blocks to be detailed later and outputs control signals generated based upon the arithmetic operation results to the individual blocks.

[0025] An image-capturing element 121 is constituted with a CCD image sensor or the like. The image-capturing element 121 captures an image formed with a subject light flux having passed through a photographic lens 20 and outputs image-capturing signals to an A / D conversion circuit 122. The A / D conversion circuit 122 converts the analog image-capturing signals to digital signals.

[0026] In a buffer memory 123, image data res...

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Abstract

A red eye image correction device includes: a data size conversion unit that executes reduction processing on an image so as to retain color component information contained in the image and generates a sub image with a smaller data size than the image; a red eye detection unit that detects data corresponding to red eye portions in data constituting the sub image; a position information calculation unit that obtains through calculation second position information indicating positions of data corresponding to the red eye portions in data constituting the image by using first position information indicating positions of the detected data in the sub image data; and a red eye correction unit that executes red eye correction processing on the data of the image indicated by the second position information.

Description

INCORPORATION BY REFERENCE [0001] The disclosures of the following priority application and publication are herein incorporated by reference: [0002] Japanese Patent Application No. 2004-032452 filed Feb. 9, 2004 [0003] Japanese Laid Open Patent Publication No. H 6-350914 BACKGROUND OF THE INVENTION [0004] 1. Field of the Invention [0005] The present invention relates to a device that corrects a red eye image contained in an image photographed by using an electronic flash unit. [0006] 2. Description of Related Art [0007] There is a technology known in the related art that is adopted to correct the “red eye phenomenon” manifesting in an image (see Japanese Laid Open Patent Publication No. H 6-350914). The “red eye phenomenon”, in which the pupils in the eyes of people and the like are rendered in red color in images photographed by using an electronic flash unit, is caused as the illuminating light emitted from the electronic flash device is reflected from within the eyeballs. Japanes...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06T1/00G03B15/02G03B15/05G06K9/00G06T7/00G06T7/40G11B27/034H04N1/62H04N5/232H04N5/235H04N5/262H04N5/76H04N5/77H04N5/907H04N9/083H04N9/804H04N9/82H04N101/00
CPCG06K9/0061G06T7/408G06T2207/30216G11B27/034H04N1/62H04N9/8205H04N5/2354H04N5/262H04N5/772H04N5/907H04N9/8047H04N1/624G06T7/90G06V40/193H04N23/74
Inventor KUBOI, MOTOYUKI
Owner NIKON CORP
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