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Imaging device, image processing device, and operation method for imaging device

A camera device and image technology, applied in projection devices, printing devices, image communication and other directions, can solve the problems that users are not easy to observe images, unnatural, etc.

Active Publication Date: 2017-02-22
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the masked corner gradually moves out of the field of view of the displayed image when the center portion of the image is enlarged, the deviation from the center of the field of view for not displaying the masked corner gradually increases, which may cause unnaturalness and may be uncomfortable for the user. Words are not easy to observe the image

Method used

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  • Imaging device, image processing device, and operation method for imaging device
  • Imaging device, image processing device, and operation method for imaging device
  • Imaging device, image processing device, and operation method for imaging device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0027] Figure 1 to Figure 9 Embodiment 1 of the present invention is shown, figure 1 It is a block diagram showing the configuration of the imaging device.

[0028] This imaging device has: an endoscope 10 that captures an object and outputs an imaging signal; a video processor 30 that processes the imaging signal output from the endoscope 10 to generate a display signal; The display signal corresponds to the observation image on the observation monitor 50 .

[0029] The endoscope 10 has an objective optical system 11 , an imaging element 12 , an identification information storage unit 13 , and a scope switch 14 .

[0030] The objective optical system 11 is used to form an optical image of a subject.

[0031] The imaging element 12 is configured such that the center F of the field of view of the objective optical system 11 (refer to Figure 4 etc.) at the center of the camera range (in Figure 4 In the case of the shown zoom magnification of 1x, a position deviated from ...

Embodiment approach 2

[0070] Figure 10 Showing Embodiment 2 of the present invention, it is a block diagram showing the configuration of an imaging device. In this second embodiment, the same reference numerals and the like are assigned to the same parts as those in the first embodiment above, and explanations thereof are appropriately omitted, and only differences will be mainly described.

[0071]In this embodiment, in addition to the configuration of the above-mentioned first embodiment, the cropping area set by the cropping range setting unit 35 (thereby the image area cropped by the zoom processing unit 36 ​​and displayed on the observation monitor 50) is also used. , to control the amount of illumination light emitted toward the subject.

[0072] First, although description is omitted in Embodiment 1, the endoscope 10 is provided with a light guide 15 for transmitting illumination light, and emits illumination light toward a subject from the front end surface of the light guide 15 .

[007...

Embodiment approach 3

[0079] Figure 11 to Figure 13 Embodiment 3 of the present invention is shown, Figure 11 It is a block diagram showing the configuration of the imaging device. In this third embodiment, the same reference numerals and the like are assigned to the same parts as those in the first and second embodiments described above, and descriptions thereof are appropriately omitted, and only differences will be mainly described.

[0080] The position of the optical image formed on the imaging element 12 may deviate from the design value in an actual product due to manufacturing accuracy and assembly accuracy of components constituting the endoscope 10 . Therefore, in addition to the configuration of Embodiment 1 above, this embodiment has a configuration corresponding to the case where at least one of the position of the direct-view field of view and the position of the side-view field of view deviates from the design value. (e.g. per individual) situation.

[0081] That is, the endosco...

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PUM

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Abstract

An imaging device comprising: an imaging element (12) which is disposed in a position offset from the center of the field of view of an objective optical system (11) and images an optical image formed by the objective optical system (11) to generate an image; an cut-out range setting unit (35) which sets a cut-out area such that the center thereof approaches the center of the field of view as the zoom magnification set by an electronic zoom setting unit (33) increases; and a zoom processing unit (36) which cuts out the set cut-out area from the image and enlarges or shrinks the same in accordance with the zoom magnification to generate a zoom image.

Description

technical field [0001] The present invention relates to an imaging device, an image processing device, and an operating method of the imaging device for cutting out a part of an image represented by a captured imaging signal and enlarging or reducing it. Background technique [0002] There have been proposals for electronic zoom processing that cuts out a part of the image represented by the camera signal and enlarges or reduces it. A widely used technique is to cut out a part of the central part of the image and perform interpolation, etc., to obtain electronic zooming. Enlarge the image. [0003] In addition, in recent years, an ultra-wide-angle endoscope that realizes an enlarged field of view has been proposed. For example, an endoscope described in International Publication WO2011 / 055614 is cited as an example. A direct-view image is obtained from the direct-view observation window, and a side-view image is obtained from the side-view observation window disposed on the...

Claims

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Application Information

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IPC IPC(8): A61B1/04A61B1/00G02B23/24G03B5/00H04N5/225H04N5/232
CPCA61B1/00009A61B1/00091A61B1/00096A61B1/00181A61B1/00188A61B1/051A61B1/0615A61B1/126A61B1/0625A61B1/0655H04N23/555H04N23/56H04N23/635H04N23/69H04N23/00H04N23/698A61B1/00G02B23/24G03B5/00
Inventor 铃木达彦岩崎智树桥本进滨田敏裕久津间祐二
Owner OLYMPUS CORP