Název: | Viewpoint Selection Based on Fechner Type Information Quantities for 3D Objects |
Autoři: | Oba, Satoshi Ikai, Takeo Aoki, Shigeki Yamashita, Takuya Izumi, Masao Fukunaga, Kunio |
Citace zdrojového dokumentu: | WSCG '2007: Short Communications Proceedings: The 15th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2007 in co-operation with EUROGRAPHICS: University of West Bohemia, Plzen, Czech Republic, January 29 – February 1, 2007, p. 141-148. |
Datum vydání: | 2007 |
Nakladatel: | Václav Skala - UNION Agency |
Typ dokumentu: | konferenční příspěvek conferenceObject |
URI: | http://wscg.zcu.cz/wscg2007/Papers_2007/short/!WSCG2007_Short_Proceedings_Final-Part_2.zip http://hdl.handle.net/11025/11171 |
ISBN: | 978-80-86943-02-2 |
Klíčová slova: | výběr pohledu;3D objekty;informační kvantity;reprezentativní pohled |
Klíčová slova v dalším jazyce: | viewpoint selection;3D objects;information quantities;representative view |
Abstrakt: | This paper proposes several algorithms for selecting viewpoints, based on information quantities, which provide representative views expressing a whole feature of 3D object. By defining a novel information quantity of Fechner type based on Fechner’s law in psychophysics, we introduce shape information quantities depend on an area of face and depend on a length and sharpness of edge line in a polyhedral object. We then define viewpoint information quantities of several types obtained by summing up shape information quantities of the visible surface form a viewpoint. Representative views are obtained from viewpoints at local maximum of the viewpoint information quantity of each type. The face type and the edge type of algorithms are derived that compute viewpoint information quantities obtained from all visible faces and all visible edge lines respectively. Experimental results and estimation on polyhedral objects and triangular mesh representations of curved objects are presented. |
Práva: | © Václav Skala - UNION Agency |
Vyskytuje se v kolekcích: | WSCG '2007: Short Communications Proceedings |
Soubory připojené k záznamu:
Soubor | Popis | Velikost | Formát | |
---|---|---|---|---|
Oba.pdf | Plný text | 461,61 kB | Adobe PDF | Zobrazit/otevřít |
Oba_prezentace.ppt | Prezentace | 1,86 MB | Microsoft Powerpoint | Zobrazit/otevřít |
Použijte tento identifikátor k citaci nebo jako odkaz na tento záznam:
http://hdl.handle.net/11025/11171
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