The National Natural Science Foundation of China(No.50805023);the Science and Technology Support Program of Jiangsu Province(No.BE2008081);the Research and Innovation Project for College Graduates of Jiangsu Province(No.CXZZ13_0086);Scientific Research Foundation of Graduate School of Southeast University(No.YBJJ1401)
For calibrating the laser plane to implement 3D shape measurement, an algorithm for extracting the laser stripe with sub-pixel accuracy is proposed. The proposed algorithm mainly consists of two stages: two-side edge...
The National Natural Science Foundation of China(No.50805023);the Science and Technology Support Program of Jiangsu Province(No.BE2008081);the Transformation Program of Science and Technology Achievements of Jiangsu Province(No.BA2010093);the Program for Special Talent in Six Fields of Jiangsu Province(No.2008144)
To segment defects from the quad flat non-lead QFN package surface a multilevel Otsu thresholding method based on the firefly algorithm with opposition-learning is proposed. First the Otsu thresholding algorithm is ex...
Project(50805023)supported by the National Natural Science Foundation of China;Project(BA2010093)supported by the Special Fund of Jiangsu Province for the Transformation of Scientific and Technological Achievements,China;Project(2008144)supported by the Hexa-type Elites Peak Program of Jiangsu Province,China
An efficient approach was proposed for discriminating shadows from moving objects. In the background subtraction stage, moving objects were extracted. Then, the initial classification for moving shadow pixels and fore...
The National Natural Science Foundation of China(No.50805023);the Program for Special Talent in Six Fields of Jiangsu Province(No.2008144);Jiangsu Provincial Science and Technology Achievement Transformation Project(No.BA2010093)
To eliminate rotation deviation of sequential images mosaic when measuring linear dimensions of large scale parts with computer vision, a novel algorithm based on the chain code searching method is proposed. After ima...