PPT-Geometric Representations & Collision Detection

Kris Hauser I400B659 Intelligent Robotics Spring 2014 3D models in robotics Design Simulation Robot collision detection ie prediction Proximity calculation Map building Object recognition. Generic . b. irthday attack. Online Cryptography Course Dan Boneh. Generic attack on C.R. functions. Let H: M .  {0,1}. n. . be a hash function . ( |M| >> 2. How to do this?. Here is where my object is. Here is where my object is going to be. Here is where I want my object to be. A box that is . Defined by the min and max coordinates of an object. Always aligned with the coordinate axes. Zhi. Yuan. Course: Introduction to Game Development. zyuan@cs.kent.edu. 11/28/2011. 1. Overview. Collision . Detection. Identify the intersection of objects.. Collision . Response. . Calculate . Vectric. Ltd. @. VeraShackle. XNA-UK Blog. vera@XNA-UK.net. . 3D Collisions. Assumptions. You have reasonable understand basic 3D rendering with . BasicEffect. , Components, Services and the Content Pipeline.. Peter Brook. Matei. . Ciocarlie. Kaijen. Hsiao. Uncertainty. in Object Perception. Sensed Scene. Real Scene. Collaborative Grasp Planning with Multiple Object Representations. 2. Uncertainty. in Object . isbestdescribedasthecompositionofaglobalrigidmotionwithasmalllocaldeformation.Similarly,themotionofanarticulatedg-ure,suchasamanwalking,ismostsuccinctlydescribedasasetofrelativemotions,saythatoftheup What you will learn today. How do we know if these have collided?. Sphere Collisions. Distance!. Sphere Collisions. More precisely :. if( length(. sphereApos. - . sphereBPos. ) < . radiusA. +. . Collision Detection. Probabilistic Roadmaps. How to test for. collision?. Collision Detection Methods. Many different methods. In particular:. Grid method. : good for many simple moving objects of about the same size (e.g., many moving discs with similar radii). Collision shapes. 2. Collision shapes. Collision shapes are defined respect . to . the . REF frame . of the body. Spheres, boxes, cylinders, convex . hulls, ellipsoids. , compounds,…. Concave shapes: decompose in . Colliders. Unity components that handle collisions. Basic shapes: box, sphere, capsule. Custom shape: mesh. Rigidbody. Gives an object mass and puts it under control of Unity’s physics engine. At least 1 colliding body must have a . Kris Hauser. ECE 383 / ME 442. Fall 2015. 3D models in robotics. Design. Simulation. Robot collision detection (i.e. prediction). Proximity calculation. Map building. Object recognition. Grasp planning. Kangjin Yoon. , Weiping Sun, and Sunghyun Choi. Seoul National University, Korea. June 12, 2018. Needs for Broad Bandwidth. 2. ISM 5 GHz. FREE. Licensed. band. Licensed. band. Unlicensed. band. Mobile. By: Matt . Boggus. Outline. Collision tests. Pixel-pixel. Square-square. Axis-aligned bounding box (rectangle) testing. Collision detection loops. Exhaustive comparison. Static objects vs. dynamic objects. Jia. Pan and Dinesh Manocha. University . of North Carolina, Chapel Hill, USA. http://gamma.cs.unc.edu/gplanner. Presenter: . Liangjun. Zhang, Stanford University. Real-time Motion Planning. Dynamic/uncertain/deformable environments.