JPS60195472A - Synthetic aperture radar picture evaluating device - Google Patents

Synthetic aperture radar picture evaluating device

Info

Publication number
JPS60195472A
JPS60195472A JP59050420A JP5042084A JPS60195472A JP S60195472 A JPS60195472 A JP S60195472A JP 59050420 A JP59050420 A JP 59050420A JP 5042084 A JP5042084 A JP 5042084A JP S60195472 A JPS60195472 A JP S60195472A
Authority
JP
Japan
Prior art keywords
image
picture
image data
evaluating
synthetic aperture
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
JP59050420A
Other languages
Japanese (ja)
Inventor
Masayuki Hiroguchi
正之 廣口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP59050420A priority Critical patent/JPS60195472A/en
Publication of JPS60195472A publication Critical patent/JPS60195472A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9021—SAR image post-processing techniques
    • G01S13/9027—Pattern recognition for feature extraction

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

PURPOSE:To evaluate a picture quality with regard to various evaluating items such as a space resolution, etc., by selecting and displaying a parameter such as a size, a color, etc. of a picture from a picture data of a picture data storage part, and evaluating it at a high speed by an interactive mode. CONSTITUTION:A synthetic aperture radar is constituted of a picture data evaluating device 1 for calculating, inputting and outputting at a high speed a picture data of a synthetic aperture radar, a picture display device 2, a picture data storage device 3 and an input/output device 4 for inputting an instruction and outputting a message. In such a state, calculation, inputting and outputting of a data are executed by a central processing circuit 11, and also a space resolution evaluating part 12, ratio metric resolution evaluating part 13, contrast evaluating part 14, dynamic range evaluation part 15, and a side lobe level evaluating part 16 are controlled. In such a way, an area in a picture is designated in accordance with a program, a level, a peak, an average value, etc. are compared, and the picture can be evaluated.

Description

【発明の詳細な説明】 （技術分野） 本発明は合成間［ル−ダの画像の画′ｔＭを評価する画
像評価装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Technical Field) The present invention relates to an image evaluation device for evaluating an image 'tM of an image during synthesis.

（従来技術） 従来、この種の合成開ロレーダ画像計価装隋け、画像を
見ながらリアルタイムで対話的に処理を浄めてゆく能力
が全くないか、著しく欠如していた。(Prior Art) Conventionally, this type of synthetic radar image measurement system has either no or severely lacked the ability to interactively refine processing in real time while viewing the images.

また、合成開口レーダの画イＷの質を評価する項目が少
なかった。このため、合成量１］レーダ画１ψ」二での
評価対象区域あるいは評価対象点を的確に選ぶことがで
きず、１回の評価に時間がかかるという欠点があった。Furthermore, there were few items for evaluating the quality of the synthetic aperture radar image W. For this reason, it is not possible to accurately select the evaluation target area or evaluation target point in the composite amount 1] radar image 1ψ''2, and there is a drawback that one evaluation takes time.

また、画質評価項目が少なく評価が不充分であるという
欠点があった。In addition, there was a drawback that the number of image quality evaluation items was small and the evaluation was insufficient.

（発明の目的） 本発明の目的は、このような従来の欠点を除去し、合成
開口レーダの画像に対し、空間分解能・ラジオメトリッ
ク分解能・コントラスト・ダイナミックレンジ・サイド
ロープレベルの評価項目について、画像表示画面を見つ
つ対話的に装置を操作しながら、画像の評価を高速に行
なうことのできる合成開口レーダ画像評価装置を提供す
ることにある。(Object of the Invention) The object of the present invention is to eliminate such conventional drawbacks, and to evaluate the evaluation items of spatial resolution, radiometric resolution, contrast, dynamic range, and side lobe level for synthetic aperture radar images. An object of the present invention is to provide a synthetic aperture radar image evaluation device that allows image evaluation to be performed at high speed while viewing a display screen and interactively operating the device.

（発明の構成） 本発明の合成開口レーダ画像評価装置ｍは、合成開口レ
ーダの画像をｇｈ憶させた画像データ記憶部と、この画
像データ記憶部の画像データ中から、指定された画像デ
ータを表示する画像表示部と、この画像表示部へ表示す
べき画像データの大きさ、レベル、色などのパラメータ
を選択して指示する入出力部と、この入出力部の指示に
従って前記画像の分解能、コントラスト、ダイナミック
レンジ、サイドロープレベルについて画質評価を行い前
記画像データ記憶装置ら前記画像表示部への出力すべき
画像を指定する画像データ評価部とを含み構成これる。(Structure of the Invention) The synthetic aperture radar image evaluation device m of the present invention includes an image data storage unit storing synthetic aperture radar images, and specified image data from among the image data in the image data storage unit. an input/output section that selects and instructs parameters such as the size, level, and color of the image data to be displayed on the image display section; The image data evaluation section evaluates image quality with respect to contrast, dynamic range, and side slope level, and specifies an image to be output from the image data storage device to the image display section.

本発明は、画像データ記憶部に記憶された画像データの
中から、画像の大きさ、色の指定などのパラメータを選
んで画像処理装置に表示させ、この画像を見ながら入出
力装置を通じて、画像データ中価装置に対話的に命令を
下し、合成開口レーダの画像に対して、空間分解能・ラ
ジオメトリック分解能・コントラスト・ダイナミックレ
ンジ・サイドロープレベルの８ｆ仙１項目について画質
計器１が行なわわるように構成している。The present invention selects parameters such as image size and color specification from image data stored in an image data storage unit and displays them on an image processing device, and then displays the image through an input/output device while viewing the image. An interactive command is given to the data centering device so that the image quality meter 1 performs the following on the synthetic aperture radar image: spatial resolution, radiometric resolution, contrast, dynamic range, and side rope level. It is composed of

（実施例） 次に本発明の実施例について図面を参照して、１１ｚ明
する。(Example) Next, an example of the present invention will be explained with reference to the drawings.

第１図は本発明の一火ｈ１１＋例の合成開「ル−ダ画像
評価装置のブロック図である。本実施例り、画像データ
評価装置１と、画像表示装置ｒｒ　２と、画像データ記
憶装置３と、入出力装置Ｍ　４吉から横ｔｔｋされる。FIG. 1 is a block diagram of a synthetic router image evaluation device according to an example of the present invention.This embodiment includes an image data evaluation device 1, an image display device rr2, and an image data storage device. 3 and the input/output device M4 is horizontally ttk.

＋ｉ！＋ｉ像データ処理装置ｆ／　１げ、高速で合成開
［ル−ダの画像データのｒＯμ入出力を杓なう機能を有
し、画像表示装置２−画像を表ｙＩｅする機能を有し、
画像データ８（４憶装置３ｄ一時的あるいけ半永久的に
画像データを記憶する機能をイＪし、入出力装置４は命
令の入力とメッセ、−ジの出力を行なう機能を有する。+i! +I image data processing device f/1 has the function of processing rOμ input and output of the image data of the image data processor at high speed, and image display device 2 has the function of displaying the image;
Image data 8 (4) Storage device 3d has a function of temporarily or semi-permanently storing image data, and input/output device 4 has a function of inputting commands and outputting messages.

中央処理回路］３Ｖｊデータの演舞と入出力および各評
価部１２〜１６のコントロールを行なう。Central processing circuit] 3Vj data performance, input/output, and control of each evaluation section 12 to 16.

空間分解能評価部１２け、空間分解口［；のｔｆｆ　ｉ
ｕｌを行い、ラジオメトリック分解ａヒ計価部１３は、
ラジオメトリック分解能の評価を行い、コントラスト評
価部１４は、コントラストの評価を行い、ダイナミック
レンジ評価部１５は、ダイナミックレンジの評価を行い
、サイドロープレベル評価部１６は、サイドロープレベ
ルの評価を行なう。これら各評価部１２〜１６は、所定
評価プログラムに従って画像中のＷｒ定切出し領域を指
定し、その部分の画像信号のレベル、ピーク、平均値な
どを比較して画像の評価を行う部分である。半導体記憶
回路３１　Ｆｉ、＋１！＋ｉ像表示装置２に表示される
データを−１辱ｄピ憶し、磁気ディスク装置３２と磁気
テープ装＠３３とは、画像データを半永久的に記憶する
。Spatial resolution evaluation unit 12, spatial resolution aperture [;'s tff i
The radiometric decomposition ahi calculation unit 13 performs
The radiometric resolution is evaluated, the contrast evaluation section 14 evaluates the contrast, the dynamic range evaluation section 15 evaluates the dynamic range, and the side rope level evaluation section 16 evaluates the side rope level. Each of these evaluation units 12 to 16 is a part that specifies a Wr fixed cutout area in an image according to a predetermined evaluation program, and evaluates the image by comparing the level, peak, average value, etc. of the image signal of that part. Semiconductor memory circuit 31 Fi, +1! The data displayed on the +i image display device 2 is stored in the memory, and the magnetic disk device 32 and the magnetic tape device 33 semi-permanently store the image data.

これらの装置によって、特に合成開口レーダの画像評価
全対話的に高速で行なうことができる。These devices make it possible, in particular, for image evaluation of synthetic aperture radars to be carried out fully interactively and at high speed.

（発明の効果） 以上説明したように、本発明は合成−ロレーダの画像処
理装置において、画ＩＪｊ’表示装置と、画像データ評
価装置１と、画像データ記憶装置と、入出力装置とから
成る装置であるので、合成開ロレー５− ダの画像評価を対話形式で高速に行ない、空間分解能・
ラジオメトリック分解能・コントラスＩ・・ダイナミッ
クレンジ・サイドロープレベルの多様な評価項目につい
て評価することが出来る。(Effects of the Invention) As described above, the present invention provides an image processing device for a synthesis-lower radar, which comprises an image IJj' display device, an image data evaluation device 1, an image data storage device, and an input/output device. Therefore, the image evaluation of the synthetic open roller 5-der is performed in an interactive manner at high speed, and the spatial resolution and
It is possible to evaluate various evaluation items such as radiometric resolution, contrast I, dynamic range, and side rope level.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の一実施例を示すブロック図である。図
において １・・・・・・画像データ評価装置、１１・・・・・・
中央処理回路、１２・・・・・・空間分解能評価部、１
３・・・・・・ラジオメトリック分！　６ｊｌ　Ｎ　（
＋１１部、１４・・・・・・コントラスト評価部、１５
・・・・・・ダイナミックレンジ評価部。 １６・・・・・・サイドローブレベル評価ｊ’ｆｌ〜、
２・・・・・・画害・表示装置、３・・・・・・画像デ
ータ中［：憶装償、３１・・・・・・半導体記憶回路、
：３２・・・・・磁気ディスク装置、３３・・・・・・
磁気テープ装填、４・・・・・・入出力装置ｈ“である
。 −６〜FIG. 1 is a block diagram showing one embodiment of the present invention. In the figure, 1... Image data evaluation device, 11...
Central processing circuit, 12... Spatial resolution evaluation section, 1
3... Radiometric minutes! 6jl N (
+11 part, 14...Contrast evaluation part, 15
...Dynamic range evaluation section. 16...Sidelobe level evaluation j'fl~,
2... Image damage/display device, 3... Image data [: Memory compensation, 31... Semiconductor memory circuit,
:32...Magnetic disk device, 33...
Magnetic tape loading, 4...Input/output device h". -6~

Claims (1)

【特許請求の範囲】[Claims] 合成開口レーダの画像を記憶させた画像データ記憶部と
、この画像データ記憶部の画像データ中から指定された
画像データを表示する画像表示部と、この画像表示部へ
表示すべき画像データの大きさ、レベル、色などのパラ
メータを選択して指示する入出力部と、この入出力部の
指示に従って前記画像の分解能、コントラスト、ダイナ
ミックレンジ、サイドローブレベルについて画質評価を
行い前記画像データ記憶部から前記画像表示部への出力
すべき画像を指定する画像データ評価部とを含む合成開
口レーダ画像評価装置。An image data storage unit that stores synthetic aperture radar images, an image display unit that displays specified image data from the image data in this image data storage unit, and the size of the image data that should be displayed on this image display unit. an input/output unit that selects and instructs parameters such as image quality, level, and color; and an input/output unit that performs image quality evaluation on the resolution, contrast, dynamic range, and sidelobe level of the image according to the instructions of this input/output unit, and extracts the image data from the image data storage unit. A synthetic aperture radar image evaluation device including an image data evaluation section that specifies an image to be output to the image display section.
JP59050420A 1984-03-16 1984-03-16 Synthetic aperture radar picture evaluating device Pending JPS60195472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59050420A JPS60195472A (en) 1984-03-16 1984-03-16 Synthetic aperture radar picture evaluating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59050420A JPS60195472A (en) 1984-03-16 1984-03-16 Synthetic aperture radar picture evaluating device

Publications (1)

Publication Number Publication Date
JPS60195472A true JPS60195472A (en) 1985-10-03

Family

ID=12858370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59050420A Pending JPS60195472A (en) 1984-03-16 1984-03-16 Synthetic aperture radar picture evaluating device

Country Status (1)

Country Link
JP (1) JPS60195472A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04102702U (en) * 1991-02-18 1992-09-04 日本鋼管株式会社 Multi-head tube end processing machine
JP2004294408A (en) * 2003-03-28 2004-10-21 Mitsubishi Electric Corp System for examining superresolution image

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58179368A (en) * 1982-04-14 1983-10-20 Hitachi Ltd Evaluating simulator of synthetic aperture radar restoring picture

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58179368A (en) * 1982-04-14 1983-10-20 Hitachi Ltd Evaluating simulator of synthetic aperture radar restoring picture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04102702U (en) * 1991-02-18 1992-09-04 日本鋼管株式会社 Multi-head tube end processing machine
JP2004294408A (en) * 2003-03-28 2004-10-21 Mitsubishi Electric Corp System for examining superresolution image

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