With noise and plenty of redundant points, point cloud data obtained from non-contact scan method affects the reconstruction of geometric model. In view of the fact that de-noising and simplification of original point cloud data serve as key points of geometric reconstruction, this paper, based on noise properties, puts forward a method to eliminate noise points at different scales through combination of chord height error and improved filter operator, and introduces an algorithm to carry out non-uniform simplification of point cloud based on bounding box and curvature fusion, through which feature points can be reserved in the process of eliminating redundant point cloud, and reduced points cloud data can thus be obtained. Finally, a geometrical face model is established through integration of multi-view point cloud in different angles and data registration. It can be demonstrated through experiments that this method can improve the arithmetic speed with the reconstruction integrity guaranteed and establish highly realistic 3D face model with structural integrity and smooth surface.
목차
Abstract 1. Introduction 2. Space Partition of Point Cloud 2.1. Establishment of Bounding Box 2.2. K-Neighborhood Calculation 3. Point Cloud De-Noising 3.1. Removing Long-Distance Noise Points 3.2. Removing Short-Distance Noise Points 4. Point Cloud Simplification 4.1. Vector Estimation 4.3. Curvature Estimation in Adjacent Areas 4.4. Point Cloud Simplification 4. Modeling of Realistic 3D Geometrical Face Model 5. Conclusion References
키워드
Point Cloud De-noisingPoint Cloud SimplificationSpace PartitionCurvature Estimation; Geometric Modeling
저자
SHI LI-juan [ College of Optoelectronic Engineering Changchun University of Science and Technology, Changchun, China / College of Electronic Information and Engineering, Changchun University, Changchun, China ]
ZHAO Jian [ College of Computer Science and Technology,Changchun University,Changchun, China ]
CHE Na [ College of Computer Science and Technology,Changchun University,Changchun, China ]
ZHI-yong [ College of Optoelectronic Engineering Changchun University of Science and Technology, Changchun, China ]
보안공학연구지원센터(IJGDC) [Science & Engineering Research Support Center, Republic of Korea(IJGDC)]
설립연도
2006
분야
공학>컴퓨터학
소개
1. 보안공학에 대한 각종 조사 및 연구
2. 보안공학에 대한 응용기술 연구 및 발표
3. 보안공학에 관한 각종 학술 발표회 및 전시회 개최
4. 보안공학 기술의 상호 협조 및 정보교환
5. 보안공학에 관한 표준화 사업 및 규격의 제정
6. 보안공학에 관한 산학연 협동의 증진
7. 국제적 학술 교류 및 기술 협력
8. 보안공학에 관한 논문지 발간
9. 기타 본 회 목적 달성에 필요한 사업
간행물
간행물명
International Journal of Grid and Distributed Computing
간기
격월간
pISSN
2005-4262
수록기간
2008~2016
십진분류
KDC 505DDC 605
이 권호 내 다른 논문 / International Journal of Grid and Distributed Computing Vol.9 No.11