JPH10508172A - プッシュブルーム走査を用いた画像取り込み方法 - Google Patents
プッシュブルーム走査を用いた画像取り込み方法Info
- Publication number
- JPH10508172A JPH10508172A JP9507289A JP50728997A JPH10508172A JP H10508172 A JPH10508172 A JP H10508172A JP 9507289 A JP9507289 A JP 9507289A JP 50728997 A JP50728997 A JP 50728997A JP H10508172 A JPH10508172 A JP H10508172A
- Authority
- JP
- Japan
- Prior art keywords
- array
- pitch
- sampling
- image
- detection elements
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000005070 sampling Methods 0.000 claims abstract description 55
- 238000012546 transfer Methods 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000001228 spectrum Methods 0.000 claims abstract description 10
- 239000011295 pitch Substances 0.000 claims description 28
- 239000011159 matrix material Substances 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 13
- 230000003595 spectral effect Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 7
- 238000003491 array Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004380 ashing Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000015277 pork Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
- G01C11/025—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures by scanning the object
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4084—Scaling of whole images or parts thereof, e.g. expanding or contracting in the transform domain, e.g. fast Fourier transform [FFT] domain scaling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/48—Increasing resolution by shifting the sensor relative to the scene
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
- H04N3/08—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Theoretical Computer Science (AREA)
- Remote Sensing (AREA)
- Image Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Analysis (AREA)
- Radar Systems Or Details Thereof (AREA)
- Navigation (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.観測領域上を移動する電荷転送型の複数の検出素子からなる少なくともひ とつのアレイまたはマトリクス型センサーを用いて複数の画素情報を取り込み、 各画素情報互い違いの配列でサンプリングして地球の衛星観測画像を取り込み処 理する方法において、前記互い違いのサンプリングのラインピッチとカラムピッ チを、画像スペクトルが主に充分な変調伝達関数でスペクトル・エイリアシング を抑制するフーリエ平面領域内に位置されるように定めることを特徴とする画像 取り込み方法。 2.互いに同一ピッチでそれぞれ移動方向と直交する方向に配列された複数の 検出素子からなる少なくとも二列のアレイまたはマトリクス型センサーを用いて 地球の衛星観測画像を取り込み処理する請求項1に記載の方法であって、前記二 列のセンサーが互いに前記移動方向と平行な方向に関しては検出素子の個々のピ ッチの整数+整数分の1に相当する分だけオフセットされ、前記移動方向に対し て直交する方向に関しては前記検出素子の個々のピッチの整数分の1だけ相対的 にオフセットされ、前記2列のセンサーのサンプリング時間を個々の検出素子の カットオフ周波数の逆数に等しくすることを特徴とする画像取り込み方法。 3.複数の検出素子をそのカットオフ周波数の逆数に対応するピッチpで配列 してなる単一のアレイまたはマトリクス型センサーを用いて地球の衛星観測画像 を取り込み処理する請求項1に記載の方法であって、前記センサーが移動面内で その移動方向に対してα=1/n(但し、nは整数)の角度に向けられており、 個々の検出素子のサンプリング時間が変位p/√(1+n2)に対応しているこ とを特徴とする画像取り込み方法。 4.前記アレイまたはマトリクス型センサーと前記移動方向とのなす角度が4 5°であり、前記個々の検出素子のサンプリング時間がp/√2であることを特 徴とする請求項3に記載の画像取り込み方法。 5.複数の検出素子からなる少なくとも一つのアレイまたはマトリクス型セン サーを用いて、前記検出素子のカットオフ周波数の逆数に対応するサンプリング 時間で地球の衛星観測画像を取り込み処理する請求項1に記載の方法であって、 入手した画素情報を少なくとも4つの隣り合う画素のグループ毎にまとめて互い 違いの配列でサンプリングし、このサンプリング結果の2本の走査線間のピッチ を当初の画素マトリクスの2本の隣接ライン間のピッチに対応させることを特徴 とする画像取り込み方法。 6.入手したサンプリング結果を地上に伝送し、地上側で受信画素情報を互い 違いの配列の補間処理に付すことを特徴とする請求項1〜5のいずれか1項に記 載の画像取り込み方法。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9509242A FR2737375B1 (fr) | 1995-07-28 | 1995-07-28 | Procede d'acquisition d'une image par balayage pousse-balai |
FR9509241A FR2737326B1 (fr) | 1995-07-28 | 1995-07-28 | Procede pour le traitement ou la transmission d'une image acquise sous la forme d'une matrice de pixels |
FR9509263A FR2737376B1 (fr) | 1995-07-28 | 1995-07-28 | Procede et dispositif pour l'acquisition d'une image par echantillonnage par une barrette ou matrice de detecteurs optiques elementaires a transfert de charge |
FR95/09242 | 1995-07-28 | ||
FR95/09241 | 1995-07-28 | ||
FR95/09263 | 1995-07-28 | ||
PCT/FR1996/001188 WO1997005451A1 (fr) | 1995-07-28 | 1996-07-26 | Procede d'acquisition d'une image par balayage pousse-balai |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10508172A true JPH10508172A (ja) | 1998-08-04 |
JP3012865B2 JP3012865B2 (ja) | 2000-02-28 |
Family
ID=27253082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9507289A Expired - Fee Related JP3012865B2 (ja) | 1995-07-28 | 1996-07-26 | プッシュブルーム走査を用いた画像取り込み方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6215522B1 (ja) |
EP (1) | EP0782695B1 (ja) |
JP (1) | JP3012865B2 (ja) |
AT (1) | ATE172295T1 (ja) |
DE (1) | DE69600785T2 (ja) |
ES (1) | ES2124636T3 (ja) |
WO (1) | WO1997005451A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2763199B1 (fr) * | 1997-05-12 | 1999-07-30 | Centre Nat Etd Spatiales | Procede pour l'acquisition d'une image par balayage pousse-balai surechantillonne |
FR2776456B1 (fr) | 1998-03-20 | 2000-06-16 | Centre Nat Etd Spatiales | Perfectionnement a l'acquisition d'image par balayage pousse-balai |
JP4097966B2 (ja) * | 2002-03-22 | 2008-06-11 | オリンパス株式会社 | 画像取得装置 |
US7381211B2 (en) * | 2002-08-21 | 2008-06-03 | Kci Licensing, Inc. | Medical closure screen device and method |
FR2899344B1 (fr) * | 2006-04-03 | 2008-08-15 | Eads Astrium Sas Soc Par Actio | Procede de restitution de mouvements de la ligne de visee d'un instrument optique |
FR2918530B1 (fr) | 2007-07-06 | 2011-04-08 | Thales Sa | Procede et dispositif d'observation |
CN101257034B (zh) * | 2008-04-10 | 2011-05-18 | 中国科学院长春光学精密机械与物理研究所 | 可提高分辨率的ccd像元 |
FR3005226B1 (fr) * | 2013-04-25 | 2015-04-10 | Astrium Sas | Saisie d'image avec addition de signaux d'accumulation pour des photodetecteurs adjacents |
FR3015740B1 (fr) * | 2013-12-20 | 2016-02-05 | Centre Nat Etd Spatiales | Procede, dispositif et systeme de traitement de correction d'images |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4683496A (en) | 1985-08-23 | 1987-07-28 | The Analytic Sciences Corporation | System for and method of enhancing images using multiband information |
JP2751254B2 (ja) * | 1988-11-10 | 1998-05-18 | ソニー株式会社 | 固体撮像装置の信号処理回路 |
FR2651401B1 (fr) * | 1989-08-25 | 1996-08-02 | Thomson Consumer Electronics | Camera et dispositif de visualisation. |
US5067016A (en) * | 1990-03-07 | 1991-11-19 | Industrial Technology Research Institute | Progressive scan system with field-offset sampling |
CA2021052C (en) | 1990-07-12 | 1995-08-29 | Clifford D. Anger | Pushbroom spectrographic imager |
FR2678460B1 (fr) * | 1991-06-27 | 1993-10-22 | Centre Nal Etudes Spatiales | Procede d'enregistrement et de traitement d'une image et instrument de prise de vues pour la mise en óoeuvre de ce procede. |
US5307427A (en) | 1991-09-04 | 1994-04-26 | Westinghouse Electric Corp. | Non-integral pixel compression for second generation FLIR sensors |
US5251037A (en) | 1992-02-18 | 1993-10-05 | Hughes Training, Inc. | Method and apparatus for generating high resolution CCD camera images |
NL9300312A (nl) | 1993-02-19 | 1994-09-16 | Hollandse Signaalapparaten Bv | Optische aftastinrichting. |
DE4307833A1 (de) * | 1993-03-12 | 1994-09-15 | Thomson Video Europ Gmbh | Videokamera mit einem Halbleitersensor |
US5692062A (en) * | 1994-10-03 | 1997-11-25 | Recon/Optical, Inc. | Electro-optical imaging array with profiled foward motion compensation |
US5668593A (en) * | 1995-06-07 | 1997-09-16 | Recon/Optical, Inc. | Method and camera system for step frame reconnaissance with motion compensation |
-
1996
- 1996-07-26 JP JP9507289A patent/JP3012865B2/ja not_active Expired - Fee Related
- 1996-07-26 DE DE69600785T patent/DE69600785T2/de not_active Expired - Lifetime
- 1996-07-26 WO PCT/FR1996/001188 patent/WO1997005451A1/fr active IP Right Grant
- 1996-07-26 ES ES96927095T patent/ES2124636T3/es not_active Expired - Lifetime
- 1996-07-26 EP EP96927095A patent/EP0782695B1/fr not_active Expired - Lifetime
- 1996-07-26 US US08/849,902 patent/US6215522B1/en not_active Expired - Lifetime
- 1996-07-26 AT AT96927095T patent/ATE172295T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2124636T3 (es) | 1999-02-01 |
DE69600785D1 (de) | 1998-11-19 |
ATE172295T1 (de) | 1998-10-15 |
DE69600785T2 (de) | 1999-06-10 |
EP0782695A1 (fr) | 1997-07-09 |
US6215522B1 (en) | 2001-04-10 |
JP3012865B2 (ja) | 2000-02-28 |
EP0782695B1 (fr) | 1998-10-14 |
WO1997005451A1 (fr) | 1997-02-13 |
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