نتایج جستجو برای: 3d modeling
تعداد نتایج: 559138 فیلتر نتایج به سال:
We illustrate the basic constituents of a model and demonstrate how the facilities of Task Modeler, such as the visualization options, enable the rapid creation, analysis, and communication of the model
3D Modeling of Interior Building Environments and Objects from Noisy Sensor Suites
Object Movies (OMs) have been successfully used in many applications. However, the techniques for acquiring OMs still need to be improved if high-quality and efficient OMs are desired. In this paper, we present a method for calibrating a motorized object rig to facilitate the acquisition of OMs. We first apply the CPC kinematic model to formulate the 3D configuration of the device, and then pro...
The paper is concerned with conceptual modeling of the new aircraft based on bionical forms. Search visual-graphic calculations of the model under development are presented. 3D modeling of aircraft constructional parts were carried out according to the detailed designs. For 3D surfaces modeling the Koons method is used. Rendering scenes of shaded 3D model of aircraft is presented.
With the rapid growth of available 3D models, fast retrieval of suitable 3D models has become a crucial task for industrial applications. This paper proposes a novel sketch-based 3D model retrieval approach which utilizes both global feature-based and local featurebased techniques. Unlike current approaches which use either global or local features, as well as do not take into account semantic ...
In this paper the main problems and the available solutions are addressed for the generation of 3D models from terrestrial images. Close range photogrammetry has dealt for many years with manual or automatic image measurements for precise 3D modelling. Nowadays 3D scanners are also becoming a standard source for input data in many application areas, but image-based modelling still remains the m...
Due to the wide diffusion of 3D printing technologies, geometric algorithms for Additive Manufacturing are being invented at an impressive speed. Each single step, in particular along the Process Planning pipeline, can now count on dozens of methods that prepare the 3D model for fabrication, while analysing and optimizing geometry and machine instructions for various objectives. This report pro...
Sketch-based 3D shape retrieval has become an important research topic in content-based 3D object retrieval. The aim of this track is to measure and compare the performance of sketch-based 3D shape retrieval methods based on a large scale hand-drawn sketch query dataset which has 7200 sketches and a generic 3D model target dataset containing 1258 3D models. The sketches and models are divided i...
According to an UNESCO survey, Italy accounts for more than half of the Cultural Heritage of the entire world. Italy’s Cultural Heritage therefore represents an enormous wealth not only for the country itself but also for the entire world and this asset should be preserved and documented for future generations and possibly used as source of revenues. Within the relevant methods of the Informati...
In markerless model-based tracking approaches image features as points or straight lines are used to estimate the pose. We introduce an analysis of parametrizations of the pose data as well as of error measurements between 2D image features and 3D model data. Further, we give a review of critical geometrical configurations as they can appear on the input data. From these results the best parame...
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