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Opis

This book presents new 3D scanning methods for complex scenes, such as surfaces with fine-scale geometric details, translucent objects, low-albedo objects, glossy objects, scenes with interreflection, and discontinuous scenes. Starting from the observation that specular reflection is a reliable visual cue for surface mesostructure perception, we propose a progressive acquisition system that captures a dense specularity field as the only information for mesostructure reconstruction. Our method can efficiently recover surfaces with fine-scale geometric details from complex real-world objects. Translucent objects pose a difficult problem for traditional optical-based 3D scanning techniques. We analyze and compare two descattering methods, phase-shifting and polarization, and further present several phase-shifting and polarization based methods for high quality 3D scanning of translucent objects. We introduce the concept of modulation based separation, where a high frequency signal is multiplied on top of another signal. This method can be used for efficient 3D scanning of scenes with significant subsurface scattering and interreflections.

Szczegóły książki

Kategoria Książki po angielsku Computing & information technology Information technology: general issues

• Pełny tytuł: New 3D Scanning Techniques for Complex Scenes
• Podtytuł: Skin, Jelly Candy, Alabaster, Fruits and More
• Autor: Tongbo Chen
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 108
• EAN: 9783639206562
• ISBN: 3639206568
• ID: 06828622
• Wydawca: VDM Verlag
• Waga: 168 g
• Wymiary: 229 × 152 × 7 mm
• Data wydania: 10. November 2009

Ulubione w innej kategorii

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