JPS6160364U - - Google Patents
Info
- Publication number
- JPS6160364U JPS6160364U JP14483184U JP14483184U JPS6160364U JP S6160364 U JPS6160364 U JP S6160364U JP 14483184 U JP14483184 U JP 14483184U JP 14483184 U JP14483184 U JP 14483184U JP S6160364 U JPS6160364 U JP S6160364U
- Authority
- JP
- Japan
- Prior art keywords
- effective range
- histogram
- memory
- screen
- brightness
- 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
- 238000011179 visual inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Character Input (AREA)
Description
第１図は本考案の実施例を示すブロツク図、第
２図ａは正常な文字を画像処理する場合の説明図
、第２図ｂは正常な文字を異常なものとして画像
処理する場合の説明図、第３図はヒストグラムを
平滑化する場合の波形図である。
図中、４はグレイメモリ、６はＣＰＵ、８はマ
スクメモリ、９はヒストグラム発生器、ｆは画面
、ｈはヒストグラム、ｂは極小点、ａ，ｃは明る
さの横軸の点である。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2a is an explanatory diagram of image processing of normal characters, and Fig. 2b is an illustration of image processing of normal characters as abnormal ones. 3 are waveform diagrams when smoothing a histogram. In the figure, 4 is a gray memory, 6 is a CPU, 8 is a mask memory, 9 is a histogram generator, f is a screen, h is a histogram, b is a minimum point, and a and c are points on the horizontal axis of brightness.
Claims (1)
を決めるマスクメモリと、上記画面又は有効範囲
内の階調数を記憶するメモリとにより、上記有効
範囲の明るさの面積分布をヒストグラム発生器に
て生じさせ、このヒストグラムの極小点をスレツ
シユホルドレベルに設定する外観検査装置。 A histogram generator generates an area distribution of brightness in the effective range using a mask memory that determines the effective range of the screen captured by the camera and a memory that stores the number of gradations within the screen or effective range. , a visual inspection device that sets the minimum point of this histogram to a threshold level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14483184U JPS6160364U (en) | 1984-09-25 | 1984-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14483184U JPS6160364U (en) | 1984-09-25 | 1984-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6160364U true JPS6160364U (en) | 1986-04-23 |
Family
ID=30703095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14483184U Pending JPS6160364U (en) | 1984-09-25 | 1984-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6160364U (en) |
-
1984
- 1984-09-25 JP JP14483184U patent/JPS6160364U/ja active Pending
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