نتایج جستجو برای: one shape
تعداد نتایج: 2153466 فیلتر نتایج به سال:
This paper describes the work that has been done during the first year of the 3-SHIRT project, which aims at developing innovative solutions in all the phases of content-based 3D shape retrieval, namely: shape analysis and segmentation, design of shape descriptors, shape indexing and matching, and evaluation.
Despite a considerable interest of researchers to the issue variation in skull shapes birds and factors influencing it, some drivers associated with design features an entire bird body, which are important for both successful terrestrial locomotion flight, overlooked. One such factors, our opinion, is relative size (skull length relation body mass), can affect position body's center gravity. We...
The symmetric rank-one update method is well-known in optimization for its applications in the quasi-Newton algorithm. In particular, Conn, Gould, and Toint proved in 1991 that the matrix sequence resulting from this method approximates the Hessian of the minimized function. Extending their idea, we prove that the symmetric rank-one update algorithm can be used to approximate any sequence of sy...
In this paper, we explore the use of the diffusion geometry framework for the fusion of geometric and photometric information in local and global shape descriptors. Our construction is based on the definition of a diffusion process on the shape manifold embedded into a high-dimensional space where the embedding coordinates represent the photometric information. Experimental results show that su...
is book is a guide for researchers and practitioners to the new frontiers of 3D shape analysis and the complex mathematical tools most methods rely on. e target reader includes students, researchers and professionals with an undergraduate mathematics background, who wish to understand the mathematics behind shape analysis. e authors begin with a quick review of basic concepts in geometry, to...
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