By Shoemake K.
Strong our bodies roll and tumble via area. In machine animation, so do cameras. The rotations of those gadgets яге most sensible defined utilizing a 4 coordinate procedure, quaternions, as is proven during this paper. Of all quaternions, these at the unit sphere are best suited for animation, however the query of the way to build curves on spheres has now not been a lot explored. This paper offers one resolution through providing a brand new form of spline curve, created on a sphere, compatible for easily in-betweening (i.e. interpolating) sequences of arbitrary rotations. either concept and scan express that the movement generated is delicate and ordinary, with out quirks present in past equipment.
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Additional info for Animating rotations with quaternion curves
To evaluate the similarity between these two image parts we formulate a query on the 36 A. Borr` as and J. Llad´ os database information for each value of the local features FL . Let us name FiM,k the value of the feature k belonging to the query object part pM i . Instead of retrieving only the scene parts that match exactly the value FiM,k we use a similarity function F S that deals with a wider range of solutions. The similarity computation consists in a ramp function that evaluates de diﬀerence of the feature values respect to a given tolerance k .
Ec Abstract. Recent stereo cameras provide reliable 3D reconstructions. These are useful for selecting ground-plane points, register them and building mosaics of cluttered ground planes. In this paper we propose a 2D Iterated Closest Point (ICP) registration method, based on the distance transform, combined with a ﬁne-tuning-registration step using directly the image data. Experiments with real data show that ICP is robust to 3D reconstruction diﬀerences due to motion and the ﬁne tuning step minimizes the eﬀect of the uncertainty in the 3D reconstructions.
This work was supported by the Spanish Ministry of Education and Science under project TRA2004-06702/AUT. References 1. : A color vision-based lane tracking system for autonomous driving in unmarked roads. Autonomous Robots 16(1) (2004) 2. : Extracting road features from color images using a cognitive approach. In: IEEE Intelligent Vehicles Symposium. (2004) 3. : A method for following unmarked roads. In: IEEE Intelligent Vehicles Symposium. (2005) 4. : On the removal of shadows from images. IEEE Trans.