中文 | English

 

高速邮政信封自动视觉识别处理系统

 

 

 

 

 

 

 

 

 

◎Processing Speed performance

– Camera speed: 26fps (40ms)

– Image processing & characters segmentation: < 30ms

– Gabor Feature extraction: ~ 200us

– Classification with multi-prototype: ~1.2ms pc
< 60ms for a typical envelop with about 50 chars

– Data compression: ~15ms

– Data storage: ~5ms

– Whole processing time: <150ms per envelop (Pentium 1.8G CPU, 512M memory)

◎Image Resolution:

– 130M pixels (1280×1024)

◎Font supported:

– Song, Fang-Song, He, Kai, Time & New Noman

◎Character set

– GB 6763 simple Chinese + English + symbols

– GB 6763 traditional Chinese + English + symbols

◎Classification performance

– Segmentation: ~ 99%

– Recognition rate: >98%