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A COMPARATIVE STUDY AMONG THREE REGISTRATION ALGORITHMS: PERFORMANCE, QUALITY ASSURANCE AND ACCURACY
Accuracy Automation Least Squares Registration'Terrestrial Laser Scanning
2019/3/4
A critical task in every terrestrial laser scanning project is the transformation (addressed to as registration or alignment) of multiple point clouds into a common reference system. Even though this ...
COMPARISON OF POINT CLOUD REGISTRATION ALGORITHMS FOR BETTER RESULT ASSESSMENT – TOWARDS AN OPEN-SOURCE SOLUTION
Registration Point clouds Comparison Evaluation Open-source Laser scanning Quality criteria
2018/6/4
Terrestrial and airborne laser scanning, photogrammetry and more generally 3D recording techniques are used in a wide range of applications. After recording several individual 3D datasets known in loc...
A comparison of semiglobal and local dense matching algorithms for surface reconstruction
DSM Accuracy Matching Reconstruction Comparison Algorithms
2014/7/30
Encouraged by the growing interest in automatic 3D image-based reconstruction, the development and improvement of robust stereo matching techniques is one of the most investigated research topic of th...
Optical Network Design Algorithms that Consider Optical Path Add/Drop Ratio Restrictions for OXC Hardware Scale Reduction
Optical Network Design Algorithms Hardware Scale Add/Drop Ratio
2015/5/18
We develop network design algorithms that consider constraints on the number of added/dropped optical paths at nodes in terms of wavelength and of fiber. The strategy is demonstrated to significantly ...
Pseudo-Newton based Equalization Algorithms for QAM Coherent Optical Systems
Coherent communications Optical communications
2015/6/8
In 112Gbit/s optical coherent transmission context, we propose decision-directed and blind adaptive equalizers using variable step size suitable for 16-QAM. The considered algorithms offer better stea...
Advanced Coherent Modulation Formats and Algorithms: Higher-Order Multi-Level Coding for High-Capacity System Based on 100Gbps Channel
Coherent communications Fiber optics communications
2015/6/5
We review recent technology advances in high-capacity 100Gbps system using polarization-division-multiplexed (PDM) eight-level coding (8PSK and 8QAM) and DSP-based intradyne detection.Research activit...
Efficient Routing Algorithms for Hierarchical ASON
Efficient Routing Algorithms Hierarchical ASON
2015/7/17
Three operational routing algorithms for hierarchical Automatically Switched Optical Networks (ASON) are proposed. Their effectiveness is demonstrated in terms of blocking probability and time perform...
Complexity of Algorithms for Digital Coherent Receivers
Complexity Algorithms Digital Coherent Receivers
2015/7/16
We give an overview of digital signal processing algorithms for coherent receivers. We explore single carrier and multi carrier approaches and compare the complexity of blind equalizer adaptation as w...
Online Upstream Scheduling and Wavelength Assignment Algorithms for WDM-EPON Networks
Online Upstream Scheduling Wavelength Assignment Algorithms WDM-EPON Networks
2015/7/14
We show that efficiency problems arise when online scheduling and wavelength assignment is employed in WDM-EPON networks and propose algorithms for minimizing their effect, leading to improved capacit...