JPH0337357B2 - - Google Patents
Info
- Publication number
- JPH0337357B2 JPH0337357B2 JP28962085A JP28962085A JPH0337357B2 JP H0337357 B2 JPH0337357 B2 JP H0337357B2 JP 28962085 A JP28962085 A JP 28962085A JP 28962085 A JP28962085 A JP 28962085A JP H0337357 B2 JPH0337357 B2 JP H0337357B2
- Authority
- JP
- Japan
- Prior art keywords
- image
- change
- pixel
- projection
- illuminance
- 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.)
- Expired
Links
- 230000008859 change Effects 0.000 claims description 91
- 238000000034 method Methods 0.000 claims description 30
- 238000012544 monitoring process Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 9
- 239000000872 buffer Substances 0.000 description 21
- 238000001514 detection method Methods 0.000 description 21
- 238000004364 calculation method Methods 0.000 description 18
- 238000012937 correction Methods 0.000 description 16
- 238000005286 illumination Methods 0.000 description 10
- 238000010606 normalization Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000012795 verification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
- Fire-Detection Mechanisms (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28962085A JPS62147890A (ja) | 1985-12-23 | 1985-12-23 | 画像監視方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28962085A JPS62147890A (ja) | 1985-12-23 | 1985-12-23 | 画像監視方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62147890A JPS62147890A (ja) | 1987-07-01 |
| JPH0337357B2 true JPH0337357B2 (enrdf_load_stackoverflow) | 1991-06-05 |
Family
ID=17745590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28962085A Granted JPS62147890A (ja) | 1985-12-23 | 1985-12-23 | 画像監視方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62147890A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5678934B2 (ja) | 2012-08-10 | 2015-03-04 | 株式会社デンソー | セキュリティシステム、プログラム、及び監視方法 |
| JP6295191B2 (ja) * | 2014-12-15 | 2018-03-14 | 株式会社日立ビルシステム | エレベータ乗りかごの画像監視装置 |
-
1985
- 1985-12-23 JP JP28962085A patent/JPS62147890A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62147890A (ja) | 1987-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |