Dynamic Point Distribution for Stroke-based Rendering
نویسندگان
چکیده
We present a new point distribution algorithm that is well adapted to stroke-based rendering systems. Its main characteristic is to deal efficiently with three conflicting constraints: the distribution of points should retain a good repartition in 2D; their motion should tightly follow the target motion in the underlying scene; and as few points as possible should be added or deleted from frame to frame. We show that previous methods fail to meet at least one of these constraints in the general case, as opposed to our approach that is independent of scene complexity and motion. As a result, our algorithm is able to take 3D scenes as well as videos as input and create non-uniform distributions with good temporal coherence and density properties. To illustrate it, we show applications in four different styles: stippling, pointillism, hatching and painterly.
منابع مشابه
Distributions cohérentes de primitives pour le rendu expressif de scènes animées et le rendu en demi-tons. (Coherent distribution of primitives for animations' stylisation and halftoning)
This thesis deals with graphic primitives distributions in two different domains: expressive rendering and printing system. To distribute is to position objects into a space. We focus on two dimensional space distributions. Moreover, a distribution follow an importance function describing the density of objects locally wanted for each point of the considered space. The quality of the distributi...
متن کاملPointWorks: Abstraction and Rendering of Sparsely Scanned Outdoor Environments
This paper describes a system, dubbed PointWorks, for rendering three-dimensionally digitized outdoor environments in non-photorealistic rendering styles. The difficulty in rendering outdoor environments is accommodating their inaccuracy, incompleteness, and large size to deliver a smooth animation without suggesting the underlying data deficiency. The key method discussed in this paper is empl...
متن کاملDynamic Planning the Expansion of Electric Energy Distribution Systems Considering Distributed Generation Resources in the Presence of Power Demand Uncertainty
In this paper, a new strategy based on a dynamic (time-based) model is proposed for expansion planning of electrical energy distribution systems, taking into account distributed generation resources and advantage of the techno-economic approach. In addition to optimal placement and capacity, the proposed model is able to determine the timing of installation / reinforcement of expansion options....
متن کاملAlgorithms and Hardware for Data Compression in Point Rendering Applications
The high storage requirements associated with point rendering applications make the utilization of data compression techniques interesting. Point rendering has been proposed only recently and, consequently, no compression strategies have yet been developed. In this paper we present compression algorithms for two specific data distributions widely used in point rendering: a naive distribution wi...
متن کاملEfficient and Realistic Visualization of Cloth
Efficient and realistic rendering of cloth is of great interest especially in the context of e-commerce. Aside from the simulation of cloth draping, the rendering has to provide the "look and feel" of the fabric itself. In this paper we present a novel interactive rendering algorithm to preserve this "look and feel" of different fabrics. This is done by using the bidirectional texture function ...
متن کامل