JPH0467867U - - Google Patents
Info
- Publication number
- JPH0467867U JPH0467867U JP11281090U JP11281090U JPH0467867U JP H0467867 U JPH0467867 U JP H0467867U JP 11281090 U JP11281090 U JP 11281090U JP 11281090 U JP11281090 U JP 11281090U JP H0467867 U JPH0467867 U JP H0467867U
- Authority
- JP
- Japan
- Prior art keywords
- image
- diagram showing
- image processing
- areas
- contrast areas
- 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
- 238000003708 edge detection Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 16
- 238000007781 pre-processing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Image Processing (AREA)
- Picture Signal Circuits (AREA)
- Image Analysis (AREA)
Description
第１図は、この考案の一実施例による画像処理
装置を示す構成図、第２図は実施例の基板の現画
像図、第３図は実施例のＴＶカメラの出力画像信
号を示す図、第４図は実施例の前処理後の画像信
号を示す図、第５図は実施例のエツジ検出回路出
力の画像エツジ信号を示す図、第６図〜第８図は
この考案の他の実施例を示す画像処理装置の構成
図、第９図はこの考案の他の実施例の前処理を行
なつた画像信号図、第１０図は第９図の画像信号
をエツジ検出回路で処理した画像エツジ信号図で
ある。第１１図は従来の画像処理装置を示す構成
図である。第１２図は従来例の基板の現画像を示
す図、第１３図は従来例の画像信号を示す図、第
１４図は従来例の画像エツジ信号を示す図、第１
５図は従来例の高コントラスト部が低コントラス
ト部に近づいた時の基板の現画像を示す図、第１
６図は第１５図の画像の画像信号を示す図、第１
７図は第１５図の画像の画像エツジ信号を示す図
である。
図において、１は基板、２はＸＹテーブル、３
は光源、４は光学系、５はＴＶカメラ、６はＡ／
Ｄ変換回路、７は前処理回路、８はエツジ検出回
路、９はＣＰＵ、１０はＸＹテーブルドライバ、
１１は明るさ検出回路である。なお、図中、同一
符号は同一、または相当部分を示す。
FIG. 1 is a configuration diagram showing an image processing device according to an embodiment of the invention, FIG. 2 is a current image diagram of a board of the embodiment, and FIG. 3 is a diagram showing an output image signal of a TV camera of the embodiment. FIG. 4 is a diagram showing an image signal after preprocessing of the embodiment, FIG. 5 is a diagram showing an image edge signal output from the edge detection circuit of the embodiment, and FIGS. 6 to 8 are diagrams showing other embodiments of this invention. A configuration diagram of an image processing device showing an example, FIG. 9 is an image signal diagram after preprocessing of another embodiment of this invention, and FIG. 10 is an image obtained by processing the image signal of FIG. 9 by an edge detection circuit. It is an edge signal diagram. FIG. 11 is a block diagram showing a conventional image processing device. FIG. 12 is a diagram showing the current image of the board in the conventional example, FIG. 13 is a diagram showing the image signal in the conventional example, FIG. 14 is a diagram showing the image edge signal in the conventional example,
Figure 5 is a diagram showing the current image of the board when the high-contrast area approaches the low-contrast area in the conventional example.
Figure 6 is a diagram showing the image signal of the image in Figure 15.
FIG. 7 is a diagram showing an image edge signal of the image of FIG. 15. In the figure, 1 is the board, 2 is the XY table, and 3
is the light source, 4 is the optical system, 5 is the TV camera, 6 is the A/
D conversion circuit, 7 is a preprocessing circuit, 8 is an edge detection circuit, 9 is a CPU, 10 is an XY table driver,
11 is a brightness detection circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
画像信号より更にエツジを検出して認識手段に供
する画像処理方式に於て、 画像中の低コントラスト部、高コントラスト部
が近接して存在する特定部分の明るさ情報をもと
に明るさ変換を行なつて高コントラスト部を抑制
した後、エツジ検出を行なう画像処理装置。[Scope of claim for utility model registration] The object to be recognized is imaged by an imaging means such as a TV camera,
In an image processing method that detects edges from image signals and provides them to recognition means, brightness conversion is performed based on brightness information of specific areas where low contrast areas and high contrast areas are located close to each other in the image. An image processing device that performs edge detection after suppressing high contrast areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11281090U JPH0467867U (en) | 1990-10-25 | 1990-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11281090U JPH0467867U (en) | 1990-10-25 | 1990-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467867U true JPH0467867U (en) | 1992-06-16 |
Family
ID=31860331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11281090U Pending JPH0467867U (en) | 1990-10-25 | 1990-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467867U (en) |
-
1990
- 1990-10-25 JP JP11281090U patent/JPH0467867U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2252552A1 (en) | Method and system for inspecting a low gloss surface of an object at a vision station | |
| ATE232621T1 (en) | METHOD AND SYSTEM FOR RECOGNIZING HAND GESTURES | |
| EP0929184A3 (en) | Automatic image layout method and system | |
| KR960033050A (en) | Automatic focus position detection method and apparatus, image processing method and apparatus using the same | |
| EP0961472A3 (en) | Image processing apparatus and method and computer-readable memory | |
| WO2001035049A8 (en) | Method and apparatus for component recognition | |
| JPH06233309A (en) | Improving method for contrast of displayed image | |
| JP3098847B2 (en) | Component recognition method | |
| JPS59197810A (en) | How to separate the light detected by the optical sensor from the background light | |
| JPH0620051A (en) | Pattern recognizing system | |
| JPH0631552Y2 (en) | Character image binarization device | |
| JPS591280U (en) | Color television camera white balance adjustment device | |
| JPS58163861U (en) | Lighting device for image analysis | |
| JPH0528857Y2 (en) | ||
| JPS62297981A (en) | Binarization system for image | |
| JPH0830727A (en) | Binarizing method for character image | |
| JP2671556B2 (en) | Cleft line detection method and device | |
| JPS58149708U (en) | Automatic focusing device for phase contrast microscope | |
| JPS6393489A (en) | Position detection system | |
| KR100213346B1 (en) | Adjusting groove detection device and method for adjusting parts | |
| JPS61163916U (en) | ||
| OBIDIN et al. | A high-efficiency pixel processor(Vysokoproizvoditel'nyi protsessor poelementnykh operatsii) | |
| JPH01277705A (en) | Method and apparatus for detecting reference position | |
| JPH0565113B2 (en) | ||
| JPS6431500U (en) |