Line drawings of octree-represented objects
نویسندگان
چکیده
منابع مشابه
Interpretation of line drawings of complex objects
The machine interpretation of line drawings (pioneered by Guzman’) has a privileged position in the computer vision literature. It has proved to be the inspiration and testing ground of important techniques of much wider application, such as discrete relaxation’. Ironically, the simplified and idealized nature of the line drawing interpretation problems studied, which make them so attractive as...
متن کاملCorrespondence in Line Drawings of Multiple Views of Objects
This research was sponsored by the Defense Advanced Research Projects Agency (DOD), ARPA Order No. 3597, monitored by the Air Force Avionics Laboratory Under Contract F33615-81 -K-1539. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either expressed or implied, of the Defense Advanced Research Pr...
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An algorithm is described that updates an object's octree representation as the object is linearly translated through space. This is accomplished by performing simple arithmetic on the path representations of the nodes to be translated. Among others, one advantage of the algorithm is in devising collision-free and efficient trajectories of moving objects in robotics.
متن کاملMeasurement and modelling of perceived slant in surfaces represented by freely viewed line drawings.
Simple pictures under everyday viewing conditions evoke impressions of surfaces oriented in depth. These impressions have been studied by measuring the slants of perceived surfaces, with probes (rotating arrowheads) designed to respect the distinctive character of depicted scenes. Converging arguments indicated that the perceived orientation of the probes was near theoretical values. A series o...
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ژورنال
عنوان ژورنال: ACM Transactions on Graphics
سال: 1988
ISSN: 0730-0301,1557-7368
DOI: 10.1145/42188.42189