A NOVEL METHOD FOR CLASSIFICATION OF MULTI RETURNS LIDAR DATA USING GEOMETRICAL-CONTEXTUAL INFORMATION AND PROTOTYPE SPACE

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SAFDARINEZHAD ALIREZA; MOKHTARZADEH MAHDI; VALADANZOUJ MOHAMMAD JAVAD

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Journal: GEOGRAPHICAL DATA Year:2016 | Volume:25 | Issue:98 Page(s): 15-23

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Title

A NOVEL METHOD FOR CLASSIFICATION OF MULTI RETURNS LIDAR DATA USING GEOMETRICAL-CONTEXTUAL INFORMATION AND PROTOTYPE SPACE

Author(s)

SAFDARINEZHAD ALIREZA | MOKHTARZADEH MAHDI | VALADANZOUJ MOHAMMAD JAVAD | Issue Writer Certificate

Keywords

AIRBORNE LASER SCANNERS (ALS)Q1

CLUSTERINGQ2

CONTEXTUAL ANALYSISQ1

FEATURE SELECTIONQ2

PROTOTYPE SPACEQ1

FEATURE SPACEQ2

Abstract

High accuracy and huge density of 3D points cloud acquired by airborne Lidar makes them as a good and suitable tool in order to analyze of terrain surface. In this procedure, points cloud CLUSTERING is a fundamental step in the procedure of information extraction form LiDAR's data. In this paper a novel method is proposed for supervised classification of LiDAR points cloud based on CONTEXTUAL ANALYSIS on LiDAR points. The proposed method consists of three main steps. In the first step, a set of contextual features are produced for each points in LiDAR data. In second step, optimum FEATURE SELECTION is done in the modified PROTOTYPE SPACE using a new strategy. The last step is conducted to a simple k-means CLUSTERING on the FEATURE SPACE spanned by optimum contextual clusters. An urban area with the residential texture has been used as the case study to evaluation of the proposed method. The results indicate proper classification accuracies. The overall accuracies and kappa coefficients was 93.15% and 0.89 respectively.

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APA: Copy

SAFDARINEZHAD, ALIREZA, MOKHTARZADEH, MAHDI, & VALADANZOUJ, MOHAMMAD JAVAD. (2016). A NOVEL METHOD FOR CLASSIFICATION OF MULTI RETURNS LIDAR DATA USING GEOMETRICAL-CONTEXTUAL INFORMATION AND PROTOTYPE SPACE. GEOGRAPHICAL DATA, 25(98), 15-23. SID. https://sid.ir/paper/253214/en

Vancouver: Copy

SAFDARINEZHAD ALIREZA, MOKHTARZADEH MAHDI, VALADANZOUJ MOHAMMAD JAVAD. A NOVEL METHOD FOR CLASSIFICATION OF MULTI RETURNS LIDAR DATA USING GEOMETRICAL-CONTEXTUAL INFORMATION AND PROTOTYPE SPACE. GEOGRAPHICAL DATA[Internet]. 2016;25(98):15-23. Available from: https://sid.ir/paper/253214/en

IEEE: Copy

ALIREZA SAFDARINEZHAD, MAHDI MOKHTARZADEH, and MOHAMMAD JAVAD VALADANZOUJ, “A NOVEL METHOD FOR CLASSIFICATION OF MULTI RETURNS LIDAR DATA USING GEOMETRICAL-CONTEXTUAL INFORMATION AND PROTOTYPE SPACE,” GEOGRAPHICAL DATA, vol. 25, no. 98, pp. 15–23, 2016, [Online]. Available: https://sid.ir/paper/253214/en

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