USUALLY each city has its own area code,but when I called one of my classmates in the U.S.the display on his telephone showed codes for three cit ies(Changsha,Xiangtan and Zhuzhou)He was puzzled and asked me whether I...USUALLY each city has its own area code,but when I called one of my classmates in the U.S.the display on his telephone showed codes for three cit ies(Changsha,Xiangtan and Zhuzhou)He was puzzled and asked me whether I had opened companies in all three cities.I told him that as a city group the three cities use a unified area code–one of the results of regional econom ic integration.My company is in展开更多
Labeling information in a complex irregular region is a useful procedure occurring frequently in sheet metal and the furniture industry which will be beneficial in parts management.A fast code-based labeler(FCBL) is p...Labeling information in a complex irregular region is a useful procedure occurring frequently in sheet metal and the furniture industry which will be beneficial in parts management.A fast code-based labeler(FCBL) is proposed to accomplish this objective in this paper.The region is first discretized,and then encoded by the Freeman encoding technique for providing the 2D regional information by 1D codes with redundancies omitted.We enhance the encoding scheme to make it more suitable for our complex problem.Based on the codes,searching algorithms are designed and can be extended with customized constraints.In addition,by introducing a smart optimal direction estimation,the labeling speed and accuracy of FCBL are significantly improved.Experiments with a large range of real data gained from industrial factories demonstrate the stability and millisecond-level speed of FCBL.The proposed method has been integrated into a shipbuilding CAD system,and plays a very important role in ship parts labeling process.展开更多
文摘USUALLY each city has its own area code,but when I called one of my classmates in the U.S.the display on his telephone showed codes for three cit ies(Changsha,Xiangtan and Zhuzhou)He was puzzled and asked me whether I had opened companies in all three cities.I told him that as a city group the three cities use a unified area code–one of the results of regional econom ic integration.My company is in
基金supported by the National Natural Science Foundation of China(Nos.60873181,60673006 and 60533060)the Program for New Century Excellent Talents in University,China(No.NCET-05-0275)
文摘Labeling information in a complex irregular region is a useful procedure occurring frequently in sheet metal and the furniture industry which will be beneficial in parts management.A fast code-based labeler(FCBL) is proposed to accomplish this objective in this paper.The region is first discretized,and then encoded by the Freeman encoding technique for providing the 2D regional information by 1D codes with redundancies omitted.We enhance the encoding scheme to make it more suitable for our complex problem.Based on the codes,searching algorithms are designed and can be extended with customized constraints.In addition,by introducing a smart optimal direction estimation,the labeling speed and accuracy of FCBL are significantly improved.Experiments with a large range of real data gained from industrial factories demonstrate the stability and millisecond-level speed of FCBL.The proposed method has been integrated into a shipbuilding CAD system,and plays a very important role in ship parts labeling process.
