Scanning from heating: 3D shape estimation of transparent objects from local surface heating.
نویسندگان
چکیده
Today, with quality becoming increasingly important, each product requires three-dimensional in-line quality control. On the other hand, the 3D reconstruction of transparent objects is a very difficult problem in computer vision due to transparency and specularity of the surface. This paper proposes a new method, called Scanning From Heating (SFH), to determine the surface shape of transparent objects using laser surface heating and thermal imaging. Furthermore, the application to transparent glass is discussed and results on different surface shapes are presented.
منابع مشابه
A 3D Scanner for Transparent Glass
Many practical tasks in industry, such as automatic inspection or robot vision, often require the scanning of three-dimensional shapes by use of non-contact techniques. However, few methods have been proposed to measure three-dimensional shapes of transparent objects because of the difficulty of dealing with transparency and specularity of the surface. This paper presents a 3D scanner for trans...
متن کاملNon-conventional imaging systems for 3D digitization of transparent objects: Shape from polarization in the IR and shape from visible fluorescence induced UV
This paper presents a comparison between recent advances made in the field of non conventionnal imaging techniques for 3D digitization of transparent object. After a large survey, this paper will focus on two recent techniques later called : shape from Visible Fluorescence UV-induced and shape from polarisation in the IR which recently emerged. Results obtained with the technique of Scanning fr...
متن کاملNon conventional Imaging Systems for 3D Digitization of transparent and/or specular manufactured objects
3D scanning has been investigated for several years and most of the proposed approaches assume a diffuse or near diffuse reflectance of the object’s surface, also called cooperative surfaces. For the case of “non cooperative surfaces”, such as transparent objects or mirror-like surfaces, usually, a thin layer of powder is sprayed onto the object surface (to make it opaque and diffuse) prior to ...
متن کامل3D digitization of metallic specular surfaces using scanning from heating approach
Because of the difficulty of dealing with specularity of several surfaces, few methods have been proposed to measure three-dimensional shapes of specular metallic objects. In this paper we present an application on this kind of material of an approach called “Scanning From Heating”. This approach has been developed initially for 3D reconstruction of transparent objects. This article presents an...
متن کاملFree convection in a 3D chamber with local cooling and heating
This paper modeled heating air of a room through examining free convection in a 3D chamber. The chamber had cold and hot sources with Tc and Th temperatures, respectively. Its other walls were adiabatic. This study aimed at predicting effect of temperature difference, displacement of hot and cold sources and their aspect ratio on flow field, temperature and heat transfer rate. To conduct the st...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Optics express
دوره 17 14 شماره
صفحات -
تاریخ انتشار 2009