JP2004094050A - Monitor camera device serving as optical unit - Google Patents

Monitor camera device serving as optical unit Download PDF

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Publication number
JP2004094050A
JP2004094050A JP2002257013A JP2002257013A JP2004094050A JP 2004094050 A JP2004094050 A JP 2004094050A JP 2002257013 A JP2002257013 A JP 2002257013A JP 2002257013 A JP2002257013 A JP 2002257013A JP 2004094050 A JP2004094050 A JP 2004094050A
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JP
Japan
Prior art keywords
camera
infrared
light
visible light
mirror
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002257013A
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Japanese (ja)
Inventor
Hiromasa Ikematsu
Hideo Shimizu
Akira Taguchi
Yoshihisa Takahashi
池松 宏昌
清水 秀夫
田口 暁
高橋 佳久
Original Assignee
Nishikawa Keisoku Kk
Usk:Kk
株式会社ユー・エス・ケー
西川計測株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nishikawa Keisoku Kk, Usk:Kk, 株式会社ユー・エス・ケー, 西川計測株式会社 filed Critical Nishikawa Keisoku Kk
Priority to JP2002257013A priority Critical patent/JP2004094050A/en
Publication of JP2004094050A publication Critical patent/JP2004094050A/en
Pending legal-status Critical Current

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Abstract

An object of the present invention is to facilitate the alignment of an infrared sensor or a camera by using a single lens unit, to reduce the time and labor required for installation, and to reduce the cost.
An infrared ray and a visible light are incident on a dual-purpose lens unit, the infrared ray reflected by a half mirror is guided to a light receiver of a sensor light receiving unit, and the visible light transmitted through the half mirror is monitored. It leads to the imaging unit 17 of the camera. Further, the dual-purpose lens unit 21 and the half mirror 22 are provided, and the reflected light is guided to the imaging unit of the infrared night-vision camera, and the transmitted light is guided to the imaging unit of the visible light camera, so that the respective alignments can be simplified.
[Selection diagram] Fig. 1

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a surveillance camera device that also serves as an optical unit, and more particularly to a configuration of an optical unit of a device that constantly monitors intruders and intruders into a management area such as an airport or a power facility day and night.
[0002]
[Prior art]
Conventionally, in the control area of airports, electric power facilities, special buildings and facilities, or the ecology of natural animals, etc., monitoring (observation) by detecting intruders and invaders using infrared sensors and photographing with cameras, using cameras Detection of an intruder or the like by analysis of a photographed image and monitoring by photographing with this camera are performed.
[0003]
FIG. 7 shows a configuration of a device using a light-shielding infrared sensor and a monitoring camera. As shown in this device, a projector 2 for projecting an infrared beam on the first columnar body 1A is provided. A light receiver 3 for receiving an infrared beam and a monitoring camera 4 are arranged on a second columnar body 1B provided at a predetermined distance from the first columnar body 1A. According to the device shown in FIG. 7, an intruder and an intruder are detected by detecting the light blocking state of the infrared beam output from the light projector 2 by the light receiver 3. The monitoring area between the body 1A and the second columnar body 1B is photographed, and the detection state of these intruders and the photographed video can be monitored (observed) on a monitor such as a management center or a monitoring room. In addition, an image of the intruder or the like is recorded on a recording device based on detection (abnormal) information of the infrared sensor.
[0004]
FIG. 8 shows a configuration of a device using a reflection type infrared sensor or a passive sensor and a monitoring camera. In this device, as shown in FIG. 4 are arranged. According to the device shown in FIG. 8, detection of an intruder or the like is performed by receiving reflected light of an infrared beam output from the passive sensor 7, and the intruder or the like is sent to the monitoring camera 4 based on the detection information and the like. Shooting and recording.
[0005]
FIG. 9 shows a configuration of a device for detecting an intruder or the like by image analysis of a video without using an infrared sensor. In this device, as shown in FIG. A camera (for example, a color camera) 10 and an infrared night-vision camera 11 for night use are arranged. According to this device, the cameras 10 and 11 are switched between day and night, and the cameras 10 and 11 detect the presence of an intruder or the like by sequentially analyzing a time-series change of a captured image. At the same time, the image taken at the same time is displayed on the monitoring monitor, and the image at the time of the abnormality is recorded on a recording device or the like.
[0006]
[Patent Document 1]
JP-A-7-160957
[Patent Document 2]
Japanese Patent Application Laid-Open No. Hei 9-16865
[Problems to be solved by the invention]
However, in the above-described conventional surveillance camera device, the infrared sensors (2, 3, 7) and the surveillance camera 4 are separately arranged on the columnar bodies 1B and 6 as described with reference to FIGS. However, since the visible light camera 10 and the infrared night-vision camera 11 are separately arranged on the columnar body 9, there is a problem that the alignment of the infrared sensor and the camera with respect to the monitoring area becomes complicated, and the installation takes time and labor. Was. In addition, these members are displaced due to an earthquake, land subsidence, temporal change, or the like, and the optical axis and the photographing range are changed. In this case, too, the infrared sensor (2, 3, 7) and the camera 4 It is necessary to adjust the alignment of the visible light camera 10 and the infrared night vision camera 11 respectively.
[0009]
Further, in the infrared sensors (2, 3, 7), the cameras 4, 10 and the infrared night-vision camera 11, optical parts such as lenses are arranged respectively, and if these optical parts can be shared, the cost can be reduced. I can plan.
[0010]
The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to make it possible to easily position an infrared sensor or a camera by using a single lens unit, to reduce the time and labor required for installation, and to reduce the cost. It is an object of the present invention to provide a surveillance camera device that also serves as an optical unit that can be realized.
[0011]
[Means for Solving the Problems]
In order to achieve the above object, an invention according to claim 1 is a surveillance camera device comprising: an infrared sensor that transmits and receives infrared rays; and a surveillance camera that simultaneously captures an area monitored by the infrared sensor. A single lens unit for receiving infrared light and visible light from the camera, and a spectroscopic mirror for separating the infrared light and visible light passing through the lens unit into different directions. The obtained infrared light is guided to a light receiving portion of the infrared sensor, and the visible light similarly dispersed is guided to an imaging portion of the surveillance camera.
According to a second aspect of the present invention, in a surveillance camera device having an infrared camera for photographing a surveillance area and a visible light camera for simultaneously photographing the same surveillance area, an infrared ray and a visible light from the surveillance area are incident. A single lens unit, and a spectroscopic mirror that splits the infrared light and visible light passing through the lens unit into different directions are provided, and the infrared light separated by the spectroscopic mirror is transmitted to the imaging unit of the infrared camera. The visible light, which has been similarly guided and spectrally separated, is configured to be guided to an imaging unit of the visible light camera.
[0012]
According to a third aspect of the present invention, a solid-state imaging device is provided in an imaging unit of the visible light camera or the infrared camera, and a left-right inverted image is restored to the solid-state imaging device for inputting reflected light of the spectral mirror. And a solid-state imaging device driving circuit for performing reverse scanning is provided.
The invention according to claim 4 uses the visible light camera for daytime surveillance, the infrared camera for nighttime surveillance, and displays an image captured while switching these cameras on a monitor device. Is connected to a polarity change circuit that changes the top and bottom and left and right, and this polarity change circuit is operated in conjunction with the switching of the camera so that the image that has been inverted left and right with the spectroscopic mirror is restored. It is characterized by.
[0013]
According to the configuration of the first aspect, the infrared light output from the projector of the infrared sensor passes through the dual-purpose lens unit, is reflected by, for example, a half mirror serving as a spectroscopic mirror, enters the light-receiving unit, and also serves as visible light. Then, the light passes through the half mirror and enters the imaging unit of the surveillance camera, whereby the detection of an intruder or the like by the infrared sensor and the photographing by the surveillance camera are performed. Therefore, the infrared sensor and the surveillance camera are integrated via a single lens unit, eliminating the need for optical axis alignment between the two and making it easy to install the infrared sensor and the surveillance camera only by aligning with the surveillance area. Done in
[0014]
The same applies to the configurations of claims 2 to 4, wherein visible light and infrared light pass through a dual-purpose lens unit. For example, in a daylight visible light camera, daytime imaging is performed by visible light transmitted through a half mirror. In the night infrared night vision camera, nighttime imaging is performed by infrared rays reflected by a half mirror. The image captured by the infrared light reflected by the half mirror is inverted left and right.For example, the solid-state image sensor is scanned left and right reversed, or the image input to the monitor device is inverted by the polarity changing circuit. By doing so, the image is returned to the original normal image.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 shows the configuration of a surveillance camera device according to a first embodiment, which is a combination of a light-shielded infrared sensor and a surveillance camera. In FIG. 1, a projector 14 constituting an infrared sensor is provided on a column or the like, and an integrated surveillance camera device 15 is installed on a column or the like separated from the projector 14 by a predetermined distance. The integrated surveillance camera device 15 includes a dual-purpose (common) lens unit 16, a camera imaging unit 17, which is a configuration of a normal visible light camera (color), a sensor light receiving unit 18, and a control unit 19, and Are arranged a lens group 21 for receiving infrared light and visible light and obtaining an image of a monitoring area, and a half mirror 22 which is a spectral mirror.
[0016]
FIG. 2 shows a spectroscopic mirror that can be employed. As shown in FIG. 2A, the half mirror 22 transmits 50% of infrared light and visible light passing through the lens group 21. Reflect the remaining 50%. Further, instead of the half mirror 22, a dichroic mirror 23 in FIG. 2B and a cold mirror 24 in FIG. 2C may be used. The dichroic mirror 23 shown in FIG. 2B reflects light in the infrared region (or only infrared light) at a wavelength not less than a part of the red region, and reflects green and blue light at a wavelength not more than the part of the red region. The light in the region is transmitted, and the cold mirror 24 shown in FIG. 2C reflects visible light and transmits infrared light. When the cold mirror 24 is used, the positions of the camera imaging unit 17 and the sensor light receiving unit 18 are exchanged.
[0017]
In FIG. 1, the camera imaging unit 17 includes a visible light transmission filter 26 that removes infrared rays from light transmitted through the half mirror 22, a CCD (Charge Coupled Device) 27 that is a solid-state imaging device, and various processes for forming a color image. The output of the video processing circuit 28 is supplied to a monitor or a recording device via the control unit 19. Further, the sensor light receiving section 18 is provided with a light receiver 30 for receiving the reflected light of the half mirror 22 and a light receiving processing circuit 31. The light receiving processing circuit 31 transmits a light shielding detection signal of the received infrared beam to the control unit. Supply to 19.
[0018]
The control unit 19 determines an abnormal state or the like based on the input light-blocking detection signal of the infrared beam. If the state is abnormal, the control unit 19 supplies the result to a management center (or a monitoring room or the like). The captured image and the image at the time of the abnormality are supplied to a management center or the like.
[0019]
The first embodiment has the above configuration. The infrared beam emitted from the projector 14 passes through the lens group 21, and the light reflected by the half mirror 22 is received by the light receiver 30. The light-blocking detection signal of the infrared beam is supplied to the control unit 19 via the light receiving processing circuit 31. On the other hand, the lens unit 21 also catches visible light, and this visible light passes through the half mirror 22 and is supplied to the CCD 27 via the visible light filter 26. Thus, the CCD 27 captures an image of the monitoring area, and this image is supplied to the management center via the control unit 19 and displayed on a monitor device or the like.
[0020]
When the control unit 19 that has received the infrared light shielding detection signal determines an abnormal state, a signal of the abnormal state is supplied to the management center, and the abnormal state is notified by an alarm buzzer or the like of the management center. Is recorded on the recording device.
[0021]
According to the first embodiment, since the lens unit 16 is shared between the infrared sensor and the surveillance camera, the positioning or the optical axis alignment of the infrared sensor and the surveillance camera with respect to the monitoring area can be performed at once instead of separately. There is an advantage that installation work, readjustment work due to aging, and the like are simplified.
[0022]
FIG. 3 shows a configuration of a second embodiment in which a passive sensor and a surveillance camera are combined. In the second embodiment, a dual-purpose lens unit 16 and a camera imaging unit 17 are provided as in the first embodiment. A sensor unit 33 using a generally known passive sensor is provided. The sensor unit 33 includes a light emitting element 34 and a light receiving element 35 arranged toward the half mirror 22, a light emitting circuit 36, and a light receiving processing circuit 37. That is, the infrared beam emitted from the light projecting element 34 is projected to the monitoring area via the half mirror 22 and the lens group 21, and the beam reflected from the reflecting object is received by the light receiving element 35 through the reverse path, so that an intruder can be detected. Detects intruders. Then, the reflection object detection signal detected by the light receiving processing circuit 37 is supplied to the control unit (19).
[0023]
In the second embodiment, as described above, the infrared beam projected from the light projecting element 34 and reflected by an intruder or the like passes through the lens group 21 and is reflected by the half mirror 22 and received by the light receiving element 35. You. For example, the light receiving processing circuit 37 detects the presence of an intruder or the like based on the light receiving position or the light receiving time of the reflected beam, and supplies the detection signal to the control unit 19. The processing based on the detection signal and the processing of the image captured by the visible light are the same as those in the first embodiment. Also in the second embodiment, the lens unit 16 is shared between the infrared sensor and the surveillance camera. Alternatively, there is an advantage that optical axis alignment can be performed at once. Note that an infrared camera may be provided instead of the camera imaging unit 17.
[0024]
4 and 5 show a configuration of a third embodiment in which detection of an intruder or the like is performed by image analysis. In FIG. 4, in the third embodiment, a lens unit 16, an image pickup unit 38 of a daylight visible light camera, and an image pickup unit 39 of a night infrared night vision camera are integrally formed. A lens group 21 and a half mirror 22 (other spectroscopic mirrors in FIG. 2 may be used) are arranged, and a visible light filter 26, a CCD 27, and an image processing circuit 28 are arranged in an imaging unit 38 of the visible light camera. An infrared filter 40 for removing visible light, an infrared CCD 41, and a video processing circuit 42 are arranged in the imaging section 39 of the infrared night-vision camera. The imaging unit 38 of the camera is controlled by a control circuit (provided in a control unit or the like) 44, which switches the imaging unit 38 to operate during the daytime and the imaging unit 39 to operate at nighttime.
[0025]
In the third embodiment, a control unit 44 for inputting the video signals of the imaging units 38 and 39 is provided. The control unit 44 includes a control circuit 45 for performing various controls and a control circuit 45 for controlling the video processing circuit 28. A switching circuit 46 for switching between the output terminal a and the output terminal b on the video processing circuit 42 side is provided. Further, although not shown, the control unit 44 is provided with an image analysis circuit that detects and detects the presence of an intruder by comparing and analyzing images having a time difference in the video signal.
[0026]
Further, a polarity changing circuit 48 is connected to a horizontal output circuit of a monitor device 47 disposed at a management center or the like, and the polarity changing circuit 48 operates so that the switching circuit 46 is switched to the terminal b. , And is controlled by the control circuit 45. It is preferable that the monitoring area be illuminated with an infrared lamp in order to improve the infrared imaging in the imaging unit 39.
[0027]
The third embodiment has the above-described structure. The time management of the control circuit 45 of the control unit 44 causes the imaging unit 38 of the visible light camera to operate in the daytime, the terminal a of the switching circuit 46 to be selected, and the infrared light to be used at night. The imaging unit 39 of the night vision camera operates, and the terminal b of the switching circuit 46 is selected. That is, in the imaging unit 38 of the visible light camera, imaging is performed by visible light that has passed through the lens unit 21 and the half mirror 22, and the daytime image of the monitoring area output from the image processing circuit 28 is displayed on the monitor device 47. You.
[0028]
On the other hand, in the imaging section 39 of the infrared night-vision camera, imaging is performed by infrared rays passing through the same lens section 21 and reflected by the half mirror 22, and the nighttime image of the monitoring area output from the image processing circuit 42 is output to the output terminal. b to the monitor device 47. At this time, the polarity changing circuit 48 is operated by the control circuit 45, whereby the image input to the monitor device 47 is processed so as to change the vertical and horizontal directions. The upside down is adjusted in the video processing circuit 42. As a result, the image whose left and right are inverted by the half mirror 22 is returned to the original normal image, and is displayed on the monitor screen.
[0029]
FIG. 5 shows images obtained by the imaging units 38 and 39. In the imaging unit 38 of the visible light camera, a normal image shown in FIG. The image pickup unit 39 of the infrared night-vision camera that captures an image outputs a left-right inverted image as shown in FIG. However, in the third embodiment, the normal image shown in FIG. 5A is finally displayed on the monitor screen by the operation of the polarity changing circuit 48 described above.
[0030]
In the control unit 44, the presence of an intruder or the like is detected by comparing and analyzing images having a predetermined time difference between the video signals output from the imaging units 38 and 39, and the abnormal state is determined. . The signal of this abnormal state is supplied to the management center, where a predetermined process such as an alarm or recording of an abnormal time image is performed.
[0031]
FIG. 6 shows the configuration of the fourth embodiment, and this fourth embodiment is another configuration example for eliminating the left-right inversion state. That is, the imaging unit 49 of the infrared night-vision camera is provided with the infrared filter 40, the CCD 41, and the image processing circuit 42, and a CCD drive circuit 50 that drives the CCD 41 in the right and left read directions opposite to normal. In the fourth embodiment, a left-right inverted image is formed on the CCD 41, but a normal image can be obtained by reading out the image signal in the left-right inverted manner.
[0032]
In addition, regardless of the third and fourth embodiments described above, a mirror-reversed image can be returned to a normal image by disposing a lens for reversing up, down, left, and right between the infrared filter 40 and the half mirror 22. It is. In the third and fourth embodiments, the image pickup unit 39 of the infrared night-vision camera is arranged on the light reflection side of the half mirror 22, but this arrangement is reversed, and the half mirror 22 is attached to the image pickup unit 38 of the visible light camera. May be configured to be incident.
[0033]
In each of the embodiments described above, the half mirror 22 is used as the spectral mirror. However, as described with reference to FIG. 2, the dichroic mirror 23 in FIG. ) Can be used. In the case of the cold mirror 24, the visible light becomes reflected light. Therefore, in the case of the second embodiment, the arrangement of the imaging unit 17 and the sensor unit 33 is reversed, and in the case of the third and fourth embodiments, The arrangement of the imaging unit 38 and the imaging units 39 and 49 may be reversed.
[0034]
In each of the imaging units 17, 38, 39, and 49 of the above-described embodiment, a case has been described in which a video (moving image) is obtained using the CCDs 27 and 41. , Etc., which can be photographed on a film (a visible light film, an infrared film, or the like).
[0035]
【The invention's effect】
As described above, according to the invention of claim 1, infrared light and visible light are incident on a single lens unit, and the infrared light and the visible light are separated by a spectroscopic mirror so as to travel in different directions. By integrating the infrared sensor and the surveillance camera, the lens part is also used, so that the alignment of the infrared sensor and the surveillance camera becomes easy, and the time and labor required for installation can be reduced, and the cost can be reduced. .
[0036]
According to the second to fourth aspects of the present invention, since the visible light camera and the infrared camera are integrated as a lens unit in the same manner as described above, the positioning of the visible light camera and the infrared camera is facilitated, and Time and labor can be reduced, and costs can be reduced. Moreover, there is an advantage that a state in which the mirror is horizontally inverted by the spectroscopic mirror is eliminated, and a normal image can be displayed and observed.
[Brief description of the drawings]
FIG. 1 is a diagram showing a configuration of a surveillance camera device according to a first embodiment of the present invention.
FIGS. 2A and 2B show specific examples of the spectroscopic mirror of the embodiment. FIG. 2A is a diagram of a half mirror, FIG. 2B is a diagram of a dichroic mirror, and FIG. 2C is a diagram of a cold mirror.
FIG. 3 is a diagram illustrating a configuration of a monitoring camera device according to a second embodiment.
FIG. 4 is a diagram illustrating a configuration of a monitoring camera device according to a third embodiment.
FIG. 5 is a diagram illustrating a display state of a video obtained by each imaging unit according to a third embodiment.
FIG. 6 is a diagram illustrating a main configuration of a monitoring camera device according to a fourth embodiment.
FIG. 7 is a diagram illustrating a configuration example of a combination of a light-blocking infrared sensor and a monitoring camera in a conventional monitoring camera device.
FIG. 8 is a diagram showing a configuration example of a combination of a reflection type infrared sensor or a passive sensor and a monitoring camera in a conventional monitoring camera device.
FIG. 9 is a diagram showing a configuration example of a combination of a visible light camera and an infrared night-vision camera, which performs image analysis in a conventional monitoring camera device.
[Explanation of symbols]
2,14 ... light emitter, 3,30 ... light receiver,
7 ... Passive sensor,
4, 10, 11 ... camera, 16 ... lens part,
17: camera imaging unit, 18: sensor light receiving unit,
19 ... Control unit,
27, 41 ... CCD, 33 ... sensor part,
34 ... light emitting element, 35 ... light receiving element,
38: imaging section of visible light camera
39, 49: imaging section of infrared night vision camera,
48: polarity change circuit, 50: CCD drive circuit.

Claims (4)

  1. In a surveillance camera device having an infrared sensor that sends and receives infrared light and a surveillance camera that simultaneously captures an area monitored by the infrared sensor,
    A single lens unit for entering infrared and visible light from the monitoring area, and a spectroscopic mirror that disperses the infrared light and visible light passing through the lens unit in different directions,
    The optical part, which is configured to guide the infrared light separated by the mirror for light separation to the light receiving part of the infrared sensor and similarly guide the visible light separated to the imaging part of the surveillance camera, is also used as an optical part. Surveillance camera device.
  2. In a surveillance camera device having an infrared camera that shoots a monitoring area and a visible light camera that simultaneously shoots the same monitoring area,
    A single lens unit for entering infrared and visible light from the monitoring area, and a spectroscopic mirror that disperses the infrared light and visible light passing through the lens unit in different directions,
    An infrared section split by the mirror for splitting light is guided to an imaging section of the infrared camera, and similarly split visible light is led to an imaging section of the visible light camera. Surveillance camera device.
  3. A solid-state imaging device is provided in the imaging unit of the visible light camera or the infrared camera, and the solid-state imaging device that inputs reflected light from the spectroscopic mirror has a solid-state imaging device that performs reverse scanning in order to restore a left-right inverted image to its original state. 2. The surveillance camera device according to claim 1, wherein a circuit is provided.
  4. The visible light camera is used for daytime surveillance, the infrared camera is used for nighttime surveillance, and the captured images are displayed on a monitor device while switching between these cameras. The first claim, wherein a polarity changing circuit is connected, and the polarity changing circuit is operated in conjunction with the switching of the camera, so that the image which has been horizontally inverted by the spectral mirror is restored. A surveillance camera device that also serves as the optical unit according to the item.
JP2002257013A 2002-09-02 2002-09-02 Monitor camera device serving as optical unit Pending JP2004094050A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637920A1 (en) * 2004-09-15 2006-03-22 Fujinon Corporation Lens device comprising a retractable half-mirror, for use conjointly with a visible light camera and an infrared camera
WO2010021342A2 (en) 2008-08-19 2010-02-25 ローム株式会社 Camera
JP2013198132A (en) * 2012-03-23 2013-09-30 Koito Mfg Co Ltd Imaging apparatus and control system equipped with the same
CN105788125A (en) * 2016-04-07 2016-07-20 武汉烽火众智数字技术有限责任公司 Human body detecting apparatus and method
JP2018050298A (en) * 2016-09-22 2018-03-29 フルークコーポレイションFluke Corporation Imaging apparatus with alignment analysis function

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637920A1 (en) * 2004-09-15 2006-03-22 Fujinon Corporation Lens device comprising a retractable half-mirror, for use conjointly with a visible light camera and an infrared camera
US7773144B2 (en) 2004-09-15 2010-08-10 Fujinon Corporation Lens device
WO2010021342A2 (en) 2008-08-19 2010-02-25 ローム株式会社 Camera
US8629916B2 (en) 2008-08-19 2014-01-14 Rohm Co., Ltd. Camera with imaging unit and imaging unit for camera
JP2013198132A (en) * 2012-03-23 2013-09-30 Koito Mfg Co Ltd Imaging apparatus and control system equipped with the same
CN105788125A (en) * 2016-04-07 2016-07-20 武汉烽火众智数字技术有限责任公司 Human body detecting apparatus and method
JP2018050298A (en) * 2016-09-22 2018-03-29 フルークコーポレイションFluke Corporation Imaging apparatus with alignment analysis function
US10397565B2 (en) 2016-09-22 2019-08-27 Fluke Corporation Imaging device with alignment analysis

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