نتایج جستجو برای: 2d
تعداد نتایج: 83069 فیلتر نتایج به سال:
This article presents the first results of using an Augmented Reality (AR) tool, designed to support tutoring sessions in multi-variate calculus. The tool is used either in a face-to-face setting in which the instructor and the students are collocated or in a distance setting, in which the instructor and students are physically in remote places. The tool was used with two groups of students of ...
In this paper we describe a roadmap-based approach for a multi-agent search strategy to clear a building or multi-story environment. This approach utilizes an encoding of the environment in the form of a graph (roadmap) that is used to encode feasible paths through the environment. The roadmap is partitioned into regions, e.g., one per level, and we design region-based search strategies to cove...
OntoTrack is a new browsing and editing " in-one-view " on-tology authoring tool. It combines a sophisticated graphical layout with mouse enabled editing features optimized for efficient navigation and manipulation of large ontologies. The system is based on SpaceTree [PGB02] and implemented in Java2D. OntoTrack provides animated expansion and de-expansion of class descendants, zooming, paning ...
This work deals with an alternative procedure for the type synthesis of parallel mechanisms. The method, based on two previously presented approaches, employs asymmetric parallel kinematic structures to generate possible architectures for a given task. Then, the main advantages of the presented method are enumerated and discussed. In addition, the paper includes a few examples to illustrate the...
The design of methods to simultaneously display signal and image data used in clinical epilepsy research is presented. Electrical sensors, spatially distributed into or over the head of the patient, are basic tools for epilepsy research. The considerable amount of sensors makes the interpretation of the acquired signals difficult when they are displayed as multiple electrical potentials vs. tim...
Landscape changes associated with urbanization can lead to many serious ecological and environmental problems. Quantifying the vertical structure of the urban landscape and its change is important to understand its social and ecological impacts, but previous studies mainly focus on urban horizontal expansion and its impacts on land cover/land use change. This papers focuses on the residential l...
A process of labeling a search of square type grid is proposed. With labels squares that are free of collisions are identified also reduces the number of squares to travel during the process of finding a solution path or route connects starting point to the goal within the virtual environment. The generated environments are different sizes with output in binary format which facilitates make a g...
The invention relates to the field of computerized generation of a visualization from a plurality of images. In particular, the invention relates to generating a three-dimensional (3D) visu alization from a plurality of two-dimensional (2D) medical images. The images may be obtained from an ultrasound device. Regions of interest are segmented in at least two images and the region of interest is...
stress analysis of tractor tire interaction whit soft soil using non-linear 2d finite element method
abstract: compaction under tractors tires is of special concern because the weight of these machines has increased dramatically in the last years. these machines and others associated with crop cultural practices weight enough to significantly compact the soil, especially if the soil is soft with high moisture content during tilling, planting, or harvesting. the stress distribution and the size...
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