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Image pickup apparatus, image pickup system, and image pickup method

A technology of camera device and camera system, which is applied to the components of TV system, image communication, TV, etc., and can solve the problem of incapable of capturing information

Pending Publication Date: 2022-04-15
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the configuration of the imaging element described above, changes in the subject that occur in a time shorter than the exposure time are accumulated and averaged, so it is impossible to capture images with a sufficient amount of information.

Method used

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  • Image pickup apparatus, image pickup system, and image pickup method
  • Image pickup apparatus, image pickup system, and image pickup method
  • Image pickup apparatus, image pickup system, and image pickup method

Examples

Experimental program
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Effect test

no. 1 Embodiment approach

[0135] Hereinafter, a first embodiment of the imaging device, imaging system, and imaging method of the present disclosure will be described. The imaging device or the like of the first embodiment is particularly effective when the subject moves periodically within a short period of time within the imaging range. Periodic movement of the subject within the imaging range means that the subject changes position within the imaging range through vibration, reciprocating movement, rotational movement, controlled repetitive movements, etc., and the position, angle, etc. are periodically Much the same. In addition, it is not necessary for the entire subject to move periodically, but only a part of the subject needs to move periodically. In addition, when a plurality of subjects moves periodically, the period may or may not be single. Furthermore, the cycle of the moving subject may be single, or may be a mixture of multiple cycles of motion.

[0136] The periodic motion of the sub...

no. 2 Embodiment approach

[0221]

[0222] A second embodiment of the imaging device, imaging system, and imaging method of the present disclosure will be described. The imaging device or the like of the present embodiment is particularly effective when the subject does not move and the brightness at each position of the subject changes periodically. Regarding the brightness of the subject, it may be that the subject emits self-illumination, and the intensity of the self-luminescence changes periodically, or that the intensity of light irradiated from the outside changes periodically, thereby reflecting light from the subject. The intensity of the reflected light changes periodically, or a part or all of the subject is excited, and the intensity of light based on photoluminescence changes periodically.

[0223] First, an example in which the intensity of light irradiated from the outside changes periodically will be described. Figure 11 It is a block diagram of the imaging system 112 of this embodim...

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PUM

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Abstract

An imaging device according to one embodiment of the present disclosure is provided with: an imaging element which has variable sensitivity and acquires an image at a sampling period Tf; and a control circuit that controls the imaging element. The control circuit changes the sensitivity of the imaging element at a period Ts1 shorter than the sampling period Tf. The imaging element acquires a plurality of images of a subject at the sampling period Tf on the basis of the control of the control circuit. The subject includes a first component that changes at a period Tt1 different from the period Ts1.

Description

technical field [0001] The present application relates to an imaging device, an imaging system and an imaging method. Background technique [0002] An imaging element (image sensor) is a device in which photoelectric conversion elements that convert light into signal charges are arranged two-dimensionally. Since it is difficult to measure the signal charge output from all the photoelectric conversion elements at the same time, in the imaging element, after the signal charge generated in the photoelectric conversion element is accumulated in the charge storage part during the period called the exposure time, the charge amount is measured. Measured sequentially. [0003] In the configuration of the imaging element described above, changes in the subject that occur in a time shorter than the exposure time are accumulated and averaged, and therefore cannot be captured with a sufficient amount of information. In order to capture a subject showing rapid changes, it is considered...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232
CPCH04N23/56H04N23/68H04N23/72H04N25/50
Inventor 能泽克弥
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD