JPH077667A - Infrared-ray image pickup device - Google Patents
Infrared-ray image pickup deviceInfo
- Publication number
- JPH077667A JPH077667A JP4271722A JP27172292A JPH077667A JP H077667 A JPH077667 A JP H077667A JP 4271722 A JP4271722 A JP 4271722A JP 27172292 A JP27172292 A JP 27172292A JP H077667 A JPH077667 A JP H077667A
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- temperature
- signal
- image pickup
- optical system
- 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
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は赤外線撮像装置に係り、
特に撮像対象物から放射される赤外線を検出した検出信
号の補正に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an infrared imaging device,
In particular, it relates to correction of a detection signal obtained by detecting infrared rays radiated from an object to be imaged.
【０００２】[0002]
【従来技術】従来の赤外線撮像装置は、図４に示すよう
な構成になっていた。ステージ４３上に固定された撮像
対象物４１から放射される赤外線は、レンズ系４４、鏡
筒４５、フィルタ４６等から形成される赤外光学系を通
過して、赤外線検出器４７に入射する。赤外線検出器４
７からの検出信号は信号処理系４８で画像処理のための
信号処理をした後、端子４９から表示装置などに出力さ
れる。2. Description of the Related Art A conventional infrared image pickup device has a structure as shown in FIG. Infrared rays emitted from the imaging target 41 fixed on the stage 43 pass through an infrared optical system formed by a lens system 44, a lens barrel 45, a filter 46, etc., and enter an infrared detector 47. Infrared detector 4
The detection signal from 7 is subjected to signal processing for image processing by the signal processing system 48, and then output from a terminal 49 to a display device or the like.
【０００３】[0003]
【発明が解決しようとする課題】上記の如き従来の技術
においては、レンズ系、鏡筒、フィルター等の赤外光学
系から放射される赤外線も赤外線検出器に入射してしま
うため、撮像対象物の温度変化だけでなく、赤外光学系
の温度変化によっても赤外線検出器の検出信号が変動し
てしまうという問題点があった。In the prior art as described above, the infrared rays emitted from the infrared optical system such as the lens system, the lens barrel and the filter are also incident on the infrared detector, so that the object to be imaged is captured. There is a problem that the detection signal of the infrared detector fluctuates not only due to the temperature change of the above, but also due to the temperature change of the infrared optical system.
【０００４】本発明は、撮像対象物を撮像して得られる
検出信号から赤外光学系の温度変化による影響を取り除
くことができる赤外線撮像装置を提供することを目的と
する。It is an object of the present invention to provide an infrared image pickup device capable of removing the influence of the temperature change of the infrared optical system from a detection signal obtained by picking up an image of an image pickup object.
【０００５】[0005]
【課題を解決するための手段】上記問題点の解決の為
に、請求項１の本発明においては、撮像対象物１と、該
撮像対象物の近傍に配設された所定温度の基準温度源２
とから放射される赤外線を集光する赤外光学系４、５、
６と、該赤外光学系によって集光された赤外線を検出
し、前記基準温度源の温度に関する基準信号と前記撮像
対象物の温度に関する検出信号とを出力する赤外線検出
器７と、基準時刻の前記基準信号と前記基準時刻から所
定時間経過後の前記基準信号との差に基づいて、前記所
定時間経過後の前記検出信号を補正する補正手段１０、
１１、１０１、１０２と、を有することとした。In order to solve the above problems, according to the present invention of claim 1, an image pickup object 1 and a reference temperature source of a predetermined temperature disposed in the vicinity of the image pickup object. Two
Infrared optics 4, 5 for collecting infrared rays emitted from
6, an infrared detector 7 that detects the infrared light focused by the infrared optical system, and outputs a reference signal related to the temperature of the reference temperature source and a detection signal related to the temperature of the imaging target; A correction unit 10 that corrects the detection signal after the lapse of the predetermined time based on the difference between the reference signal and the reference signal after the lapse of the predetermined time from the reference time.
11, 101, and 102.
【０００６】また、請求項２の本発明においては、撮像
対象物１と、該撮像対象物の近傍に配設された基準温度
源２とから放射される赤外線を集光する赤外光学系４、
５、６と、該赤外光学系によって集光された赤外線を検
出し、前記基準温度源の温度に関する基準信号と前記撮
像対象物の温度に関する検出信号とを出力する赤外線検
出器７と、前記基準温度源の温度を測定する温度測定手
段３１と、基準時刻の前記基準信号と前記基準時刻から
所定時間経過後の前記基準信号との差と、前記基準時刻
の前記基準温度源の温度と前記所定時間経過後の前記基
準温度源の温度との差とに基づいて、前記所定時間経過
後の前記検出信号を補正する補正手段１１、３０と、を
有することとした。According to the second aspect of the present invention, the infrared optical system 4 for condensing infrared rays emitted from the image pickup object 1 and the reference temperature source 2 arranged in the vicinity of the image pickup object. ,
5 and 6, an infrared detector 7 that detects infrared rays collected by the infrared optical system, and outputs a reference signal related to the temperature of the reference temperature source and a detection signal related to the temperature of the imaging target; Temperature measuring means 31 for measuring the temperature of the reference temperature source, the difference between the reference signal at the reference time and the reference signal after a predetermined time has elapsed from the reference time, the temperature of the reference temperature source at the reference time, and the temperature The correction means 11 and 30 corrects the detection signal after the lapse of the predetermined time based on the difference from the temperature of the reference temperature source after the lapse of the predetermined time.
【０００７】[0007]
【作用】上記請求項１の本発明においては、撮像対象物
の近傍に所定温度の基準温度源を配設し、撮像対象物と
基準温度源とから放射される赤外線を赤外光学系で集光
する。赤外線検出器は赤外光学系で集光した赤外線を検
出し、前記基準温度源の温度に関する基準信号と前記撮
像対象物の温度に関する検出信号とを出力する。基準信
号は赤外光学系の温度変化によって変化するので、基準
時刻（撮像開始時）の基準信号と基準時刻から所定時間
経過後の基準信号との差に基づいて所定時間経過後の検
出信号を補正すれば、所定時間経過後の検出信号から赤
外光学系の温度変化による影響を除くことができる。According to the present invention of claim 1, a reference temperature source of a predetermined temperature is arranged near the object to be imaged, and infrared rays emitted from the object to be imaged and the reference temperature source are collected by an infrared optical system. Glow. The infrared detector detects the infrared light condensed by the infrared optical system, and outputs a reference signal regarding the temperature of the reference temperature source and a detection signal regarding the temperature of the imaging target. Since the reference signal changes according to the temperature change of the infrared optical system, the detection signal after the lapse of a predetermined time is determined based on the difference between the reference signal at the reference time (at the start of imaging) and the reference signal after the lapse of the predetermined time from the reference time. With the correction, the influence of the temperature change of the infrared optical system can be removed from the detection signal after a predetermined time has elapsed.
【０００８】上記請求項２の本発明においては、撮像対
象物の近傍に基準温度源を配設し、撮像対象物と基準温
度源とから放射される赤外線を赤外光学系で集光する。
赤外線検出器は赤外光学系で集光した赤外線を検出し、
前記基準温度源の温度に関する基準信号と前記撮像対象
物の温度に関する検出信号とを出力する。また、温度セ
ンサ等を用いて基準温度源の温度を測定する。基準信号
は赤外光学系の温度変化と基準温度源の温度変化とによ
って変化するので、基準時刻（撮像開始時）の基準信号
と基準時刻から所定時間経過後の基準信号との差と、基
準時刻の基準温度源の温度と所定時間経過後の基準温度
源の温度との差とに基づいて、所定時間経過後の検出信
号を補正すれば、所定時間経過後の検出信号から赤外光
学系の温度変化による影響を除くことができる。According to the second aspect of the present invention, the reference temperature source is arranged in the vicinity of the object to be imaged, and the infrared light emitted from the object to be imaged and the reference temperature source is condensed by the infrared optical system.
The infrared detector detects infrared rays collected by the infrared optical system,
A reference signal related to the temperature of the reference temperature source and a detection signal related to the temperature of the imaging target are output. Further, the temperature of the reference temperature source is measured using a temperature sensor or the like. Since the reference signal changes due to the temperature change of the infrared optical system and the temperature change of the reference temperature source, the difference between the reference signal at the reference time (at the start of imaging) and the reference signal after a predetermined time has elapsed from the reference time, and the reference Based on the difference between the temperature of the reference temperature source at the time point and the temperature of the reference temperature source after the elapse of a predetermined time, if the detection signal after the elapse of the predetermined time is corrected, the infrared optical system is detected from the detection signal after the elapse of the predetermined time. It is possible to eliminate the influence of the temperature change.
【０００９】[0009]
【実施例】以下、図面を参照して本発明の実施例を説明
する。図１は本発明の第１実施例の概略構成を示すブロ
ック図である。ステージ３上には撮像対象物１が固定さ
れている。またステージ３上には基準温度源２が配設さ
れている。４は撮像対象物１と基準温度源２とから放射
される赤外線を集光するレンズ系である。レンズ系４は
鏡筒５に保持されている。レンズ系４で集光された赤外
線はフィルター６を介して赤外線検出器７に入射する。
これらレンズ系４、鏡筒５、フィルター６等から赤外光
学系が構成されている。赤外線検出器７で検出された赤
外線は電気信号に変換され、Ａ／Ｄ変換器８に出力され
る。撮像開始時（基準時刻）あるいは所定の時間にスイ
ッチ９が閉じ、基準温度源の赤外線を検出した基準信号
がＡ／Ｄ変換器８を経て補正値演算部１０に入力する。
スイッチ９が開いているときは、赤外線検出器７から出
力信号はＡ／Ｄ変換器８を介して補正回路１１に入力す
る。補正回路１１では、補正値演算部１０で計算した補
正値に基づいて、撮像対象物からの赤外線を検出した検
出信号が補正され、信号処理部１２に出力される。信号
処理部１２に入力した検出信号は画像処理のための信号
処理を施した後、端子１３に出力される。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of the first embodiment of the present invention. The imaging target 1 is fixed on the stage 3. The reference temperature source 2 is arranged on the stage 3. Reference numeral 4 is a lens system that collects infrared rays emitted from the imaging target 1 and the reference temperature source 2. The lens system 4 is held by a lens barrel 5. The infrared light collected by the lens system 4 enters the infrared detector 7 through the filter 6.
An infrared optical system is composed of the lens system 4, the lens barrel 5, the filter 6, and the like. The infrared light detected by the infrared detector 7 is converted into an electric signal and output to the A / D converter 8. The switch 9 is closed at the start of imaging (reference time) or at a predetermined time, and a reference signal for detecting infrared rays of the reference temperature source is input to the correction value calculation unit 10 via the A / D converter 8.
When the switch 9 is open, the output signal from the infrared detector 7 is input to the correction circuit 11 via the A / D converter 8. The correction circuit 11 corrects the detection signal obtained by detecting the infrared ray from the imaging target based on the correction value calculated by the correction value calculation unit 10, and outputs the correction signal to the signal processing unit 12. The detection signal input to the signal processing unit 12 is subjected to signal processing for image processing and then output to the terminal 13.
【００１０】図２は図１の補正値演算部１０の構成を一
例を示したブロック図である。撮像開始時、スイッチ１
００は端子１０３側に閉じており、撮像開始時に基準温
度源２からの赤外線を検出した基準信号がＡ／Ｄ変換器
８、スイッチ９、スイッチ１００を介してフレームメモ
リ１０１に入力され、記憶される。スイッチ９は開き、
スイッチ１００は１０４側に切りかわる。FIG. 2 is a block diagram showing an example of the configuration of the correction value calculation unit 10 of FIG. Switch 1 at the start of imaging
Reference numeral 00 is closed to the terminal 103 side, and a reference signal for detecting infrared rays from the reference temperature source 2 at the start of imaging is input to and stored in the frame memory 101 via the A / D converter 8, the switch 9, and the switch 100. It Switch 9 opens,
The switch 100 switches to the 104 side.
【００１１】撮像開始から所定時間が経過すると、スイ
ッチ９が閉じられ（図１参照）、基準がＡ／Ｄ変換器
８、スイッチ９、１００を介して演算器１０２に入力さ
れる。演算器１０２では、フレームメモリ１０１に記憶
した基準信号と所定時間後の基準信号との差（補正値）
が計算される。演算器１０２で計算された補正値は補正
回路１１に出力され、記憶される。When a predetermined time has elapsed from the start of image pickup, the switch 9 is closed (see FIG. 1), and the reference is input to the arithmetic unit 102 via the A / D converter 8 and the switches 9 and 100. In the calculator 102, the difference (correction value) between the reference signal stored in the frame memory 101 and the reference signal after a predetermined time
Is calculated. The correction value calculated by the calculator 102 is output to and stored in the correction circuit 11.
【００１２】上述の如く構成された本発明の赤外線撮像
装置の動作を説明する。撮像開始時にステージ３上に配
設された基準温度源２からの赤外線を検出した基準信号
がスイッチ９、スイッチ１００を介してフーレムメモリ
１０１に記憶される。撮像が開始され、スイッチ９が開
く。撮像対象物１からの赤外線を検出した検出信号が赤
外線検出器７から出力される。赤外線検出器７から出力
される検出信号は補正回路１１を介して信号処理部１２
に入力され、画像処理のための信号処理を施して端子１
３から出力される。The operation of the infrared image pickup device of the present invention configured as described above will be described. A reference signal for detecting infrared rays from the reference temperature source 2 arranged on the stage 3 at the time of starting the imaging is stored in the frame memory 101 via the switches 9 and 100. Imaging is started and the switch 9 is opened. The infrared detector 7 outputs a detection signal for detecting infrared rays from the imaging target 1. The detection signal output from the infrared detector 7 is passed through the correction circuit 11 to the signal processing unit 12
Is input to the terminal 1 and subjected to signal processing for image processing
It is output from 3.
【００１３】所定時間経過するとスイッチ９が閉じら
れ、基準温度源２からの赤外線を検出した基準信号が演
算器１０２に送られる。演算器１０２は、所定時間後の
基準信号とフレームメモリ１０１に記憶した撮像開始時
の基準信号との差（補正値）計算し、補正回路１１に出
力される。補正回路１１に補正値が記憶されると、スイ
ッチ９は開き、撮像対象物１の撮像が再開される。撮像
対象物１からの赤外線を検出した検出信号は、Ａ／Ｄ変
換器８を介して補正回路１１に入力される。補正回路１
１は、記憶した補正値で検出信号を補正して信号処理部
１２に出力する。信号処理部１２は入力された検出信号
に画像処理のための信号処理を施し、表示器等に接続し
ている端子１３に出力する。After a lapse of a predetermined time, the switch 9 is closed and a reference signal for detecting infrared rays from the reference temperature source 2 is sent to the calculator 102. The arithmetic unit 102 calculates the difference (correction value) between the reference signal after a predetermined time and the reference signal at the start of imaging stored in the frame memory 101, and outputs it to the correction circuit 11. When the correction value is stored in the correction circuit 11, the switch 9 is opened and the image pickup of the image pickup target 1 is restarted. A detection signal obtained by detecting infrared rays from the image pickup target 1 is input to the correction circuit 11 via the A / D converter 8. Correction circuit 1
1 corrects the detection signal with the stored correction value and outputs it to the signal processing unit 12. The signal processing unit 12 performs signal processing for image processing on the input detection signal and outputs the signal to a terminal 13 connected to a display device or the like.
【００１４】図３は本発明の第２実施例の概略構成を示
すブロック図である。なお、図１と同一の部材には同一
符号を付し、動作等の説明は省略する。温度が変化する
基準温度源３２には温度センサ３１が取り付けられお
り、その温度が測定されている。撮像開始時（基準時
刻）および所定の時間になるとスイッチ３４が閉じ、撮
像開始時および撮像開始から所定時間経過後の基準温度
源３２の温度情報が温度センサ３１から補正値演算部３
０に入力される。補正値演算部３０では、撮像開始時の
基準信号と撮像開始時から所定時間経過後の基準信号と
の差と、撮像開始時の基準温度源３２の温度と所定時間
経過後の基準温度源３２の温度との差とから補正値が計
算され、補正回路１１に出力される。FIG. 3 is a block diagram showing a schematic configuration of the second embodiment of the present invention. The same members as those in FIG. 1 are designated by the same reference numerals, and the description of the operation is omitted. The temperature sensor 31 is attached to the reference temperature source 32 whose temperature changes, and the temperature is measured. The switch 34 is closed at the start of image pickup (reference time) and at a predetermined time, and the temperature information of the reference temperature source 32 at the start of image pickup and after a lapse of a predetermined time from the start of image pickup is calculated from the temperature sensor 31 to the correction value calculator 3.
Input to 0. In the correction value calculation unit 30, the difference between the reference signal at the start of imaging and the reference signal after a predetermined time has elapsed from the start of imaging, the temperature of the reference temperature source 32 at the start of imaging, and the reference temperature source 32 after a predetermined time has elapsed. A correction value is calculated from the difference between the temperature and the temperature and is output to the correction circuit 11.
【００１５】[0015]
【発明の効果】以上のように本発明によれば、撮像対象
物と共に所定温度の基準温度源も赤外光学系を通して撮
像し、基準温度源からの赤外線を検出した基準信号の変
化量に基づいて、撮像対象物からの赤外線を検出した検
出信号を補正する構成となっているので、撮像対象物か
らの赤外線を検出した検出信号から赤外光学系の温度変
化の影響を取り除くことができる。（請求項１）また、
撮像対象物と共に基準温度源も赤外光学系を通して撮像
し、さらに基準温度源の温度を測定して基準温度源から
の赤外線を検出した基準信号の変化量と基準温度源の温
度変化量とに基づいて、撮像対象物からの赤外線を検出
した検出信号を補正する構成になっているので、撮像対
象物からの赤外線を検出した検出信号から赤外光学系の
温度変化の影響を取り除くことができる。（請求項２）As described above, according to the present invention, a reference temperature source having a predetermined temperature is imaged together with an object to be imaged through an infrared optical system, and an infrared ray from the reference temperature source is detected based on a variation amount of the reference signal. Since the detection signal obtained by detecting the infrared ray from the image pickup object is corrected, the influence of the temperature change of the infrared optical system can be removed from the detection signal obtained by detecting the infrared ray from the image pickup object. (Claim 1) Also,
The reference temperature source is imaged together with the imaged object through the infrared optical system, and the temperature of the reference temperature source is measured to detect the infrared ray from the reference temperature source. Based on the configuration, the detection signal of the infrared ray detected from the imaged object is corrected, so that the influence of the temperature change of the infrared optical system can be removed from the detection signal of the infrared ray detected from the imaged object. . (Claim 2)
【図１】 本発明に係る赤外線撮像装置の第１実施例の
概略構成を示すブロック図である。FIG. 1 is a block diagram showing a schematic configuration of a first embodiment of an infrared imaging device according to the present invention.
【図２】 図１の補正値演算部の構成の一実施例を示す
図である。FIG. 2 is a diagram showing an example of a configuration of a correction value calculation unit in FIG.
【図３】 本発明の第２実施例の概略構成を示すブロッ
ク図である。FIG. 3 is a block diagram showing a schematic configuration of a second embodiment of the present invention.
【図４】 従来の赤外線撮像装置の一例を示す図であ
る。FIG. 4 is a diagram showing an example of a conventional infrared imaging device.
１ 撮像対象物 ２、３２ 基準温度源 ４ レンズ系 ５ 鏡筒 ６ フィルタ ７ 検出器 １０、３０ 補正値演算部 １１ 補正回路 １２ 信号処理部 ３１ 温度センサ １０１ フレームメモリ １０２ 演算器 1 Imaging Target 2, 32 Reference Temperature Source 4 Lens System 5 Lens Tube 6 Filter 7 Detector 10, 30 Correction Value Calculation Unit 11 Correction Circuit 12 Signal Processing Unit 31 Temperature Sensor 101 Frame Memory 102 Calculation Unit
───────────────────────────────────────────────────── フロントページの続き (72)発明者 津田 祥一 東京都千代田区丸の内３丁目２番３号 株 式会社ニコン内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shoichi Tsuda 3 2-3 Marunouchi, Chiyoda-ku, Tokyo Inside Nikon Corporation
Claims (2)
された所定温度の基準温度源とから放射される赤外線を
集光する赤外光学系と、 該赤外光学系によって集光された赤外線を検出し、前記
基準温度源の温度に関する基準信号と前記撮像対象物の
温度に関する検出信号とを出力する赤外線検出器と、 基準時刻の前記基準信号と前記基準時刻から所定時間経
過後の前記基準信号との差に基づいて、前記所定時間経
過後の前記検出信号を補正する補正手段と、 を有することを特徴とする赤外線撮像装置。1. An infrared optical system for condensing infrared rays emitted from an image pickup object and a reference temperature source of a predetermined temperature arranged near the image pickup object, and an infrared optical system for collecting the infrared light. An infrared detector that detects the emitted infrared light and outputs a reference signal related to the temperature of the reference temperature source and a detection signal related to the temperature of the imaging target; and the reference signal at a reference time and a predetermined time from the reference time. An infrared imaging apparatus comprising: a correction unit that corrects the detection signal after the predetermined time has elapsed, based on a difference from the reference signal after that.
された基準温度源とから放射される赤外線を集光する赤
外光学系と、 該赤外光学系によって集光された赤外線を検出し、前記
基準温度源の温度に関する基準信号と前記撮像対象物の
温度に関する検出信号とを出力する赤外線検出器と、 前記基準温度源の温度を測定する温度測定手段と、 基準時刻の前記基準信号と前記基準時刻から所定時間経
過後の前記基準信号との差と、前記基準時刻の前記基準
温度源の温度と前記所定時間経過後の前記基準温度源の
温度との差とに基づいて、前記所定時間経過後の前記検
出信号を補正する補正手段と、 を有することを特徴とする赤外線撮像装置。2. An infrared optical system for condensing infrared rays emitted from an imaging object and a reference temperature source arranged near the imaging object, and an infrared optical system condensing the infrared optical system. An infrared detector that detects infrared rays and outputs a reference signal related to the temperature of the reference temperature source and a detection signal related to the temperature of the imaging target, a temperature measuring unit that measures the temperature of the reference temperature source, and a reference time Based on a difference between the reference signal and the reference signal after a lapse of a predetermined time from the reference time, and a difference between a temperature of the reference temperature source at the reference time and a temperature of the reference temperature source after the lapse of the predetermined time. And a correcting unit that corrects the detection signal after the predetermined time has elapsed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271722A JPH077667A (en) | 1992-10-09 | 1992-10-09 | Infrared-ray image pickup device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271722A JPH077667A (en) | 1992-10-09 | 1992-10-09 | Infrared-ray image pickup device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH077667A true JPH077667A (en) | 1995-01-10 |
Family
ID=17503933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4271722A Pending JPH077667A (en) | 1992-10-09 | 1992-10-09 | Infrared-ray image pickup device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH077667A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001349786A (en) * | 2000-06-06 | 2001-12-21 | Denso Corp | Calibration method for non-contact temperature sensor |
| JP2017215274A (en) * | 2016-06-02 | 2017-12-07 | アズビル株式会社 | Temperature measurement device |
| JP2018056970A (en) * | 2016-09-30 | 2018-04-05 | キヤノン株式会社 | Imaging apparatus, imaging system and mobile body |
| JP2021048606A (en) * | 2020-11-25 | 2021-03-25 | キヤノン株式会社 | Imaging system and mobile body |
-
1992
- 1992-10-09 JP JP4271722A patent/JPH077667A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001349786A (en) * | 2000-06-06 | 2001-12-21 | Denso Corp | Calibration method for non-contact temperature sensor |
| JP2017215274A (en) * | 2016-06-02 | 2017-12-07 | アズビル株式会社 | Temperature measurement device |
| JP2018056970A (en) * | 2016-09-30 | 2018-04-05 | キヤノン株式会社 | Imaging apparatus, imaging system and mobile body |
| EP3313061A3 (en) * | 2016-09-30 | 2018-08-08 | Canon Kabushiki Kaisha | Image capturing apparatus, image capturing system, and movable apparatus |
| US10609243B2 (en) | 2016-09-30 | 2020-03-31 | Canon Kabushiki Kaisha | Image capturing apparatus, image capturing system, and movable apparatus |
| EP3979625A1 (en) * | 2016-09-30 | 2022-04-06 | Canon Kabushiki Kaisha | Image capturing apparatus, image capturing system, and movable apparatus |
| JP2021048606A (en) * | 2020-11-25 | 2021-03-25 | キヤノン株式会社 | Imaging system and mobile body |
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