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Imaging device

A technology of an imaging device and an imaging unit, which is applied in photography, image communication, filters for photography, etc., and can solve problems such as no indication and no disclosure.

Inactive Publication Date: 2011-02-23
KONICA MINOLTA OPTO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this patent document 1 does not disclose or indicate whether to control whether to remove stray light according to the situation.

Method used

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Experimental program
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no. 1 Embodiment approach

[0111] figure 1 is a schematic block diagram of the configuration of the imaging device in the embodiment. figure 2 It is a schematic diagram of the structure of the polarized light camera system. image 3 It is an explanatory diagram of the transmitted light intensity fm(i, j) received by the polarized light imaging system.

[0112] figure 1 Among them, the imaging device 1A is equipped with an imaging unit 11, an image processing unit 12, an image data buffer memory 13, a display unit 14, a driving unit 15, a control unit 16A, a mode signal generating unit 17A, a memory unit 18, an interface unit (I / F Department) 19.

[0113] Examples of the imaging device 1A include an on-vehicle camera mounted on a mobile body, a surveillance camera for surveillance, and a measurement camera surveillance for measurement. The monitoring camera is a camera for monitoring the surrounding environment, and it is preferable that the angle of view of the imaging optical system 111 is wide-an...

no. 2 Embodiment approach

[0150] In the first embodiment, the mode signal generating unit 17A is constituted by a light sensor, whereas in the second embodiment, the mode signal generating unit 17B is constituted by a timer for measuring time. Therefore, the imaging device 1B in the second embodiment is as follows figure 1 As shown, instead of the mode signal generation unit 17A and the mode control unit 161A of the control unit 16A in the imaging device 1A according to the first embodiment, the mode signal generation unit 17B and the mode control unit 161B of the control unit 16B are respectively provided. , and others are the same as those of the imaging device 1A of the first embodiment. Other descriptions are omitted except for differences.

[0151] The mode signal generation unit 17B equipped with a timer unit outputs the current time as a mode signal to the control unit 16B in response to the control signal output from the control unit 16B. By configuring the timer unit with software, it is pos...

no. 3 Embodiment approach

[0157] Figure 4 It is a schematic block diagram showing the configuration of the imaging device of the third embodiment. In the first embodiment, the mode signal generating unit 17A is constituted by an optical sensor, but in the third embodiment, the imaging element 113 of the imaging unit 11 is also used as a mode signal generating unit. Therefore, the imaging device 1C of the third embodiment is as follows Figure 4 As shown, there is an imaging unit 11, an image processing unit 12, an image data buffer memory 13, a display unit 14, a drive unit 15, a control unit 16C, a memory unit 18, and an I / F unit 19 that also function as a mode signal generating unit. Unlike the first and second embodiments, the imaging devices 1A and 1B are provided with separate components as the mode signal generator. The imaging unit 11, the image processing unit 12, the image data buffer memory 13, the display unit 14, the drive unit 15, the control unit 16C, the memory unit 18 and the I / F uni...

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Abstract

A mode control section operates an image generation unit in a normal mode or a polarization component removal mode on the basis of a mode signal from a mode signal generation unit to cause the image generation unit to form a normal image or a polarization component removed image. As a result, when an image is taken in a situation in which stray light having a polarization component occurs in an imaging device, that is, when the possibility that the stray light occurs is high, the imaging device automatically switches to the polarization component removal mode and the polarization component removed image which is obtained by reducing or eliminating the occurrence of the stray light having the polarization component is formed. Meanwhile, when the possibility that the stray light occurs is low, the imaging device automatically switches to the normal mode and a normal image which is more normal than the polarization component removed image is formed. Thus, the imaging device capable of automatically performing switching between removal and non-removal of stray light depending on the situation can be provided.

Description

technical field [0001] The present invention relates to an imaging device capable of generating a normal image and a polarization-removed image in which a polarization component has been removed or reduced. Background technique [0002] In recent years, cameras have been mounted on various devices such as vehicles and mobile bodies such as robots. [0003] When using a camera for photography, when there is a strong light source in or near the photographic screen, when the light passes through the optical system, it does not pass through the designed position of the light, sometimes on the lens surface of the optical system and the optical plate and Lens barrel etc. reflect and generate stray light. At this time, if the stray light reaches the imaging element, an image of the light source may be formed at a position that was not originally imaged, and image information that was originally required to be imaged may be lost. Especially in nighttime photography, the stray ligh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232G03B15/00G03B11/00G02B5/30
CPCB60R2300/8066H04N5/217B60R2300/10B60R2300/804B60R2300/8053G02B27/281G02B27/0018H04N5/2254G03B15/00H04N23/81H04N23/60
Inventor 福田泰成福嶋省松坂庆二寺本美雪
Owner KONICA MINOLTA OPTO