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Image-capturing device

a technology of image capture and image, which is applied in the field of image capture devices, can solve the problems of not being able to immediately display an image, and it is difficult to check the fine detail portions of the photographic image from the reproduced image,

Inactive Publication Date: 2005-10-13
NIKON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This solution enables faster and more accurate display of focused regions, reducing the time required to check focus and image quality, improving the user's ability to verify focus settings immediately after photography.

Problems solved by technology

When the image data has been thus processed by subsampling it and displaying it upon the LCD monitor, it becomes difficult to check finely detailed portions of the photographic image from the reproduced image.
Due to this, when reading out the image data which is recorded upon the recording medium in order to check the focus state, it has not been possible immediately to display an image of the region which is to be checked upon the LCD monitor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

embodiment one

[0036]FIG. 1 is a block diagram showing the overall structure of an electronic still camera according to a first preferred embodiment of the present invention. The electronic still camera shown in this figure comprises a photographic lens 301, a CCD 302, a CCD driver 303, a pre-processing circuit 304, an A / D conversion circuit 305, an ASIC for image processing 306, a buffer memory 307, a card memory 308, a flash memory 309, an LCD color monitor 310, an external interface circuit 311, a main CPU 312, an actuation assembly 313, a power supply circuit 314, and a focus driver 315. The actuation assembly 313 includes a half press switch and a full press switch which are operated by a release button not shown in the figure, a mode changeover switch which changes over between a recording mode and a reproduction (or replay) mode, and a focus area selection switch and a menu switch which will be described hereinafter. When each of these switches in the actuation assembly 313 is actuated, an ...

embodiment two

[0082] In the case of an electronic still camera according to the second preferred embodiment of the present invention, during the recording mode, when recording the image data in the card memory 308, if the currently set “picture quality mode” is “BASIC”, in other words if the data compression ratio is set to a high compression ratio, then the information for displaying the cutout image which is recorded in the card memory 308 together with the full frame of image data after compression is made to be position information (for example, coordinates in the memory space) of the image data for the cutout region.

[0083]FIG. 9 is a flow chart showing the flow of a recording mode routine executed by the CPU 312 in the second preferred embodiment of the electronic camera of the present invention. The point of difference from the flow chart of FIG. 7 relating to the first preferred embodiment is that additional steps S41A, S41B, and S41C are present. These points of difference will now be ex...

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PUM

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Abstract

An image-capturing device including an image-capturing element, a data extraction device, a recording device, a reproduction device, and a display control device is provided. The image-capturing element captures an image of a photographic subject and outputs image data. The data extraction device extracts data corresponding to a region designated in advance within the image data outputted from the image-capturing element. The recording device records the extracted data and the image data into a recording medium individually. The reproduction device reads out the extracted data from the recording medium. The display control device outputs an image signal to a display device, so as to display an image according to the extracted data read out by the reproduction device.

Description

INCORPORATION BY REFERENCE [0001] The disclosure of the following priority application is herein incorporated by reference: [0002] Japanese Patent Application No. 2000-348114, filed Nov. 15, 2000. BACKGROUND OF THE INVENTION [0003] 1. Field of the Invention [0004] The present invention relates to an image-capturing device which records a photographic image as electronic data upon a recording medium. [0005] 2. Description of the Related Art [0006] A type of electronic still camera or the like is per se known which is equipped with an LCD monitor, and which reproduces image data recorded upon a recording medium by displaying it upon the LCD monitor. Generally, an LCD monitor which is fitted to this type of electronic still camera has a smaller number of display pixels than the number of data pixels in the image data. Because of this, when displaying upon the LCD monitor a reproduced image from image data, the image data is displayed after having been subjected to a subsampling or cull...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G03B13/36H04N23/40G02B7/28G03B17/18G03B19/02H04N1/21H04N1/387H04N5/907H04N101/00
CPCH04N1/00427H04N1/0044H04N1/2112H04N9/87H04N5/23212H04N5/23293H04N2101/00H04N1/3875H04N23/673H04N23/635
Inventor HAYASHI, MASAKIHAMAMURA, AKIHIKO
Owner NIKON CORP