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3D Navigation for Mobile Robots
Škoda, Jan ; Barták, Roman (advisor) ; Obdržálek, David (referee)
We propose a novel 3D navigation system for autonomous vehicle path-planning. The system processes a point-cloud data from an rgb-d camera and creates a 3D occupancy grid with adaptable cell size. Occupied grid cells contain normal distribution characterizing the data measured in the area of the cell. The normal distributions are then used for cell classification, traversability and collision checking. The space of traversable cells is then used for path-planning. The ability to work in three-dimensional space allows the usage of autonomous robots in highly structured environments with multiple levels, uneven surface or various elevated and underground crossings. That is important for the usage of robots in real- world scenarios, in urban areas or for disaster rescue missions. Powered by TCPDF (www.tcpdf.org)
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Real-Time Rendering of a Scene With Many Pedestrians
Pfudl, Václav ; Milet, Tomáš (referee) ; Herout, Adam (advisor)
The aim of this thesis was to implement a software that would be able to render, simulate and record a scene with walking pedestrians in real-time, with emphasis on rendering level of realism. The output of the application could serve as an input test data for people counting systems or similar systems for video recognition. The problem was divided into three major subproblems: character animation, artificial intelligence for character movement and advanced rendering techniques. The character animation problem is solved by the skeletal animation of the model. To achieve the characters moving in a scene autonomously path finding(A* algorithm) and group behaviors(steering behaviors) were implemented. Realism in a scene is added by implemented methods such as normal-mapping, variance shadow-mapping, deffered rendering, skydome, lens flare effect and screen space ambient occlusion. Optimaliaztion of the rendering was implemented using octree data structure for space partitioning. Rendering stage of a scene can be easily parametrized through implemented GUI. Implemented application provides the user with easy way of setting a scene with walking pedestrians, setting its visualization and to record the result.
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Visualisation of Path-Finding for Robot
Kvasnica, Miroslav ; Orság, Filip (referee) ; Rozman, Jaroslav (advisor)
This thesis deals with sampling-based algorithms for robot path planning. Theoretical principles of probabilistic path finding and its implementation details are discussed here. The second part focuses on individual algorithms - PRM, EST, RRT and SRT and its modifications. Java applets for visualisation of algorithms and web pages related with sampling-based algorithms are included on the CD.
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Visualisation of Path-Planning
Vozák, Petr ; Orság, Filip (referee) ; Rozman, Jaroslav (advisor)
This thesis deals with sampling-based algorithms for nonholonomic (mainly car robot) and flexible robot path planning. Theoretical principles of probabilistic path finding and its implementation detail are discussed here. Java applets for visualization of algorithms and web pages are include on the CD.
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Rational Thinking in Strategic Games
Knotek, David ; Kočí, Radek (referee) ; Hrubý, Martin (advisor)
The target of this work is a creation of simple strategic game with distinct signs of artificial intelligence. Artificial intelligence will be in project represented on three levels, managerial (global), robotically (local) and assist (associated). In the next phase of the project will be the main attention targeted on graphical side of game, 2D simulator of play, graphical interface a resulting deployment the game. The game will be implemented in language C++, which provide sufficient comfort, and may be used multi-platformly.
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