A CAPTCHA Implementation Based on Moving Objects Recognition Problem.
Jing-Song CuiJing-Ting MeiWu-Zhou ZhangXia WangDa ZhangPublished in: ICEE (2010)
Keyphrases
- moving objects
- recognition rate
- recognition accuracy
- automatic recognition
- object recognition
- spatio temporal
- feature extraction
- video surveillance
- image sequences
- recognition process
- video sequences
- optical flow
- background subtraction
- efficient implementation
- visual recognition
- hardware implementation
- handwritten characters
- recognition algorithm
- motion segmentation
- human activities
- action recognition
- pattern recognition