JPH0250580A - Multi-wavelength picture acquiring device - Google Patents
Multi-wavelength picture acquiring deviceInfo
- Publication number
- JPH0250580A JPH0250580A JP63198894A JP19889488A JPH0250580A JP H0250580 A JPH0250580 A JP H0250580A JP 63198894 A JP63198894 A JP 63198894A JP 19889488 A JP19889488 A JP 19889488A JP H0250580 A JPH0250580 A JP H0250580A
- Authority
- JP
- Japan
- Prior art keywords
- filters
- light receiving
- receiving sensor
- optical system
- ccd
- 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
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
- Color Television Image Signal Generators (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は多波長画像取得装置に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a multi-wavelength image acquisition device.
それぞれ異なる波長帯を有する複数の像を得るための従
来装置においては、それぞれの波長帯に適したそれぞれ
別個の装置を使用したシ、あるいは、固定されたフィル
タを交換するものであった。Conventional devices for obtaining a plurality of images each having a different wavelength band have either used separate devices suitable for each wavelength band, or replaced fixed filters.
異なる波長帯の光によシ、像を取得することは、可視光
においてはカラーテレビ等で一般的である。但し可視光
以外の光（赤外線、紫外線等）の領域で、異なる波長光
による像を得る技術は末だ確立されていない。−万券外
や紫外領域においても異なる波長帯の光にて像を得るこ
とは、物体識別に極めて有力な方法であることは広く知
られている。Obtaining images using light in different wavelength bands is common in color televisions and the like in the case of visible light. However, the technology to obtain images using light of different wavelengths in the range of light other than visible light (infrared, ultraviolet, etc.) has not yet been established. - It is widely known that obtaining images using light in different wavelength bands even in the ultraviolet and outside regions is an extremely effective method for object identification.
特に移動している物体を、同−視野内に同一の大きさで
とらえることは、今後の画像処理技術の向上を考えると
、非常に重要な課題と考えられる。In particular, capturing moving objects at the same size within the same field of view is considered to be a very important issue when considering future improvements in image processing technology.
本発明の課題は、−個の光学系と１個の受光部とを使用
し、タイムシェアリングの方法を用いることによって透
過特性の異なるフィルタを交換すること番ζよ）、複数
の波長帯の像を得ることを可能とした多波長画像取得装
置を提供することである。The problem of the present invention is to replace filters with different transmission characteristics by using two optical systems and one light receiving section and by using a time sharing method. An object of the present invention is to provide a multi-wavelength image acquisition device that can obtain images.
同一の視野内に同一の大きさの像を得るためＩＣＦｉ、
同一の光学系及び受光センサを用いることが出来れば、
最も簡単に実現できる。ICFi to obtain images of the same size within the same field of view,
If the same optical system and light receiving sensor can be used,
It is the easiest to achieve.
本発明は、上記の観点に基いてなされたものである。本
発明による多波長画像取得装置は、画像取得用の光学系
に配設された単一の受光センサと、それぞれ異なる透過
特性を有する複数のフィルタと、前記受光センサにそれ
ぞれ異なる波長の像を入力させるため１こ、前記光学系
と前記受光センサとの間にそれぞれ前記フィルタを介挿
させる手段とを具備してなることを特徴とする。The present invention has been made based on the above viewpoint. A multi-wavelength image acquisition device according to the present invention includes a single light-receiving sensor disposed in an optical system for image acquisition, a plurality of filters each having different transmission characteristics, and images of different wavelengths being input to the light-receiving sensor. In order to achieve this, the present invention is characterized by comprising means for inserting the filters between the optical system and the light receiving sensor, respectively.
本発明によれば、種々の透過特性を持つフィルタを光学
系と受光センサ間に、例えば、回転あるいは振動等によ
シ移動して介挿させることによシ、同−視野内に同一の
大きさの互いに異なる波長の複数の像を得ることが可能
となる。According to the present invention, by inserting filters with various transmission characteristics between the optical system and the light receiving sensor by moving them by rotation or vibration, etc. It becomes possible to obtain multiple images of different wavelengths.
本発明は、前記の如く、一種類の光学系と、−組の受光
センサと、複数種類のフィルタ及びそのフィルタの駆動
部とから構成される。As described above, the present invention includes one type of optical system, one set of light receiving sensors, a plurality of types of filters, and drive units for the filters.
第１図は、本発明の一実施例を示す図で、光学系レンズ
１１受光センサ例えばＣＣＤ６、及びそれぞれ異なる透
過特性を持つ回転する複数枚のフィルタ２，３．４によ
多構成される製品の具体例を示す。勿論、本発明におい
ては、上記以外の他の光学系、他の受光センチ及び他の
フィルタ移動装置を用いてもよい。夕＋１１に執ｆ匹晩
勺１ヱン。FIG. 1 is a diagram showing an embodiment of the present invention, and the product is composed of an optical system lens 11, a light-receiving sensor, for example, a CCD 6, and a plurality of rotating filters 2, 3.4 each having different transmission characteristics. A specific example is shown below. Of course, in the present invention, other optical systems, other light receiving centimeters, and other filter moving devices other than those described above may be used. At twilight+11, there were 1 yen of supper.
第１図において、外部から入った光はまずレンズＩによ
シ集光され、ＣＣＤＧ上に結像する。このレンズＩとＣ
ＣＤ６間にフィルタ２，３．４の中の何れかのフィルタ
を入れることによって、ＣＣＤ６に到達する波長を制御
する。In FIG. 1, light entering from the outside is first focused by a lens I and formed into an image on the CCDG. This lens I and C
By inserting one of filters 2, 3.4 between the CDs 6, the wavelength that reaches the CCD 6 is controlled.
第２図は、第１図におけるフィルタの平面図で、２〜４
は、各々異なる特性を持つフィルタを示し、これらのフ
ィルタ２〜４を回転駆動部５により一定速度ｔζよ多回
転させることによシフィルタを交換する。FIG. 2 is a plan view of the filter in FIG.
shows filters each having different characteristics, and the filters are replaced by rotating these filters 2 to 4 multiple times at a constant speed tζ by the rotary drive unit 5.
なお、第１図に示す実施例においては、フィルタにフィ
ルタ２〜フイルタ４の３種の異なる特性を持つフィルタ
を示しているが、フィルタ枚数及びその種類は、使用目
的によシ変更可能である。In the embodiment shown in FIG. 1, three types of filters, filters 2 to 4, having different characteristics are shown as filters, but the number of filters and their types can be changed depending on the purpose of use. .
また上記実施例において鉱、ｃｃｎ＃の画像取得速度と
フィルタ２〜４の回転速度の間に同期をとることによシ
、常−ζ安定した画像を取得する仁とが可能となる。さ
らに、これらのフィルタ２〜４の厚さ、形状を適切に設
計することによシ、徨々の波長の屈折率の違いによって
起る色収差をある程度抑制することが可能である。Further, in the above embodiment, by synchronizing the image acquisition speed of ccn# and the rotation speed of filters 2 to 4, it becomes possible to always acquire stable images. Furthermore, by appropriately designing the thickness and shape of these filters 2 to 4, it is possible to suppress chromatic aberration caused by differences in refractive index at various wavelengths to some extent.
本発明によれば、一種類の光学系と−ａｌ類の受光セン
サを用いるのみで、多種類の波長による像を取得可能と
なる。またこれらの像は基本的に同一の大きさの像であ
るため、画像処理を行う際にＦｉ極めて好都合なデータ
となる。According to the present invention, it is possible to obtain images at many types of wavelengths by only using one type of optical system and a -al type light receiving sensor. Furthermore, since these images are basically images of the same size, Fi is extremely convenient data when performing image processing.
第１図は、本発明の一実施例の構成を示す概略図ｓ’ａ
２図／／ｉ第１ｒＩ！Ｊにおけるフィルタの平面図であ
る。
ｌ・・・レンズ、２〜４・・・フィルタ、５・・・回転
駆動部、６・・・ＣＣＤ０
第１図
第２図FIG. 1 is a schematic diagram s'a showing the configuration of an embodiment of the present invention.
Figure 2//i 1st rI! FIG. 3 is a plan view of the filter in J. l...Lens, 2-4...Filter, 5...Rotary drive unit, 6...CCD0 Fig. 1 Fig. 2
Claims (1)
、それぞれ異なる透過特性を有する複数のフィルタと、
前記受光センサにそれぞれ異なる波長の像を入力させる
ために、前記光学系と前記受光センサとの間にそれぞれ
前記フィルタを介挿させる手段とを具備してなることを
特徴とする多波長画像取得装置。A single light receiving sensor disposed in an optical system for image acquisition, multiple filters each having different transmission characteristics,
A multi-wavelength image acquisition device comprising means for inserting the filters between the optical system and the light receiving sensor in order to input images of different wavelengths to the light receiving sensor. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63198894A JPH0250580A (en) | 1988-08-11 | 1988-08-11 | Multi-wavelength picture acquiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63198894A JPH0250580A (en) | 1988-08-11 | 1988-08-11 | Multi-wavelength picture acquiring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0250580A true JPH0250580A (en) | 1990-02-20 |
Family
ID=16398706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63198894A Pending JPH0250580A (en) | 1988-08-11 | 1988-08-11 | Multi-wavelength picture acquiring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0250580A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017017593A (en) * | 2015-07-02 | 2017-01-19 | キヤノン株式会社 | Imaging device |
-
1988
- 1988-08-11 JP JP63198894A patent/JPH0250580A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017017593A (en) * | 2015-07-02 | 2017-01-19 | キヤノン株式会社 | Imaging device |
| US10313589B2 (en) | 2015-07-02 | 2019-06-04 | Canon Kabushiki Kaisha | Imaging device having an image mode set according to a filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3549898B2 (en) | Wide angle image forming system and method | |
| EP1046075B1 (en) | Anti-aliasing apparatus and methods for optical imaging | |
| JP2552856B2 (en) | Beam Splitter | |
| CA2070368A1 (en) | Video temperature monitor | |
| CN102789114A (en) | Visible-infrared bi-pass camera | |
| CN102472958A (en) | Three-dimensional image capture device | |
| US5684293A (en) | Anti-aliasing low-pass blur filter for reducing artifacts in imaging apparatus | |
| GB1468679A (en) | Method of and apparatus for foccussing optical imaging means | |
| CA2111200A1 (en) | Electronic High-Speed Camera | |
| US5251068A (en) | Objective lens having a filter | |
| CA2120099A1 (en) | Image pickup optical system which minimizes the effects of spurious signals | |
| JPH11201819A (en) | Two-dimensional spectral characteristics measuring device | |
| US5689341A (en) | LCD panel test system | |
| JP2002271657A (en) | Multi-screen spectral photographing device | |
| JPS62223634A (en) | Color deciding device | |
| AU627134B2 (en) | A beam splitter for color imaging apparatus | |
| US20100327151A1 (en) | Color separation filter for solid state sensor | |
| JPH0250580A (en) | Multi-wavelength picture acquiring device | |
| JPS62208784A (en) | Infrared image pickup device | |
| US7474349B2 (en) | Image-taking apparatus | |
| JP2825860B2 (en) | Optical low-pass filter | |
| JPS5630381A (en) | Image pickup unit | |
| US20050082464A1 (en) | Method and apparatus to effectively reduce a non-active detection gap of an optical sensor | |
| JPH03248695A (en) | Optical filter | |
| JPH07119901B2 (en) | Optical low pass filter |