News Column

Investigators from Yeditepe University Report New Data on Image and Video Processing

June 17, 2014

By a News Reporter-Staff News Editor at Journal of Technology -- Research findings on Image and Video Processing are discussed in a new report. According to news originating from Istanbul, Turkey, by VerticalNews correspondents, research stated, "Three dimensional range data provides useful information for various computer vision and computer graphics applications. For these, extracting the range data reliably is of utmost importance."

Our news journalists obtained a quote from the research from Yeditepe University, "Therefore, various range scanners based on different working principles are proposed in the literature. Among these, coded structured light-based range scanners are popular and used in most industrial applications. Unfortunately, these range scanners cannot scan shiny objects reliably. Either highlights on the shiny object surface or the ambient light in the environment disturb the code word. As the code is changed, the range data extracted from it will also be disturbed. In this study, we focus on developing a system that can scan shiny and matte objects under ambient light. Therefore, we propose color invariant-based binary, ternary, and quaternary coded structured light-based range scanners. We hypothesize that, by using color invariants, we can eliminate the effect of highlights and ambient light in the scanning process. Thus, we can extract the range data of shiny and matte objects in a robust manner. We implemented these scanners using a TI DM6437 EVM board with a flexible system setup such that the user can select the scanning type. Furthermore, we implemented a TI MSP430 microcontroller-based rotating table system that accompanies our scanner. With the help of this system, we can obtain the range data of the target object from different viewpoints. We also implemented a range image registration method to obtain the complete object model from the range data extracted."

According to the news editors, the research concluded: "We tested our scanner system on various objects and provided their range and model data."

For more information on this research see: Nary coded structured light-based range scanners using color invariants. Journal of Real-Time Image Processing, 2014;9(2):359-377. Journal of Real-Time Image Processing can be contacted at: Springer Heidelberg, Tiergartenstrasse 17, D-69121 Heidelberg, Germany. (Springer -; Journal of Real-Time Image Processing -

The news correspondents report that additional information may be obtained from R. Benveniste, Yeditepe Univ, Dept. of Elect & Elect Engn, Comp Vis Res Lab, TR-34755 Istanbul, Turkey.

Keywords for this news article include: Turkey, Eurasia, Istanbul, Image and Video Processing

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Source: Journal of Technology

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