Altering Height Data by Using Natural Logarithm as 3D Modelling Function for Reverse Engineering Application

International Conference on Advances in Manufacturing and Materials Engineering 2017

机械制造;材料科学

Aminullah Abdulqawi, Nur Ilham^1 ; Abu Mansor, Mohd Salman^1

School of Mechanical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong Tebal, Pulau Pinang

14300, Malaysia^1

关键词: Appropriate models;    Curvature profiles;    Engineering applications;    Geometrical representation;    Lambertian illumination;    Natural logarithm functions;    Natural logarithms;    Shape curvatures;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/290/1/012049/pdf
DOI  :  10.1088/1757-899X/290/1/012049

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

The raw data extracted from reverse engineering based on vision mostly do not resemble the actual geometrical representation yet. Even though the higher object surface reflected the most visible light towards the camera and yield higher number of value based on Lambertian illumination model, this does not mean the curvature profile are always accurate. After all, there are many mathematical models to shape curvature profiles into the correct representation. However, one of the most appropriate models found is the natural logarithm function. The function itself has alteration properties towards the raw data generated from reverse engineering based on vision.