NonPhotorealistic Rendering Jixing Bai NonPhotorealistic Reading What is
非真实感绘制 Non-Photorealistic Rendering Jixing Bai
Non-Photorealistic Reading • What is the Non-Photorealistic Reading: • Using artistic means, not the pursuit of the sense of reality, to express the inner image, video • The main way of the Non-Photorealistic Reading: • Computer simulation of creative media • Creation method and style of computer simulation 2
Non-Photorealistic Reading • The difference with photorealistic rendering: • Photorealistic rendering : generate an image that is as real as the photo. 3
Non-Photorealistic Reading • There is no ideal definition • Goal: to generate images of human intelligence to convey a human emotion 4
Non-Photorealistic Reading • Characteristic: • partly rooted in reality, but transcendent • Use abstract models to convey information • Important information is enhanced while other irrelevant information may be weakened or removed 5
Non-photorealistic rendering applications • Art Visualization of scientific results 6
Non-photorealistic rendering applications • Technical product diagram entertainment 7
The classification of Non-Photorealistic Reading • Computer simulation of creative media 8
The classification of Non-Photorealistic Reading • Creation method and style of computer simulation 9
The classification of Non-Photorealistic Reading • Successful business software • - Photoshop • - illustrator • Multiple creative styles: • -Pencil Drawing • -Watercolor • -Wash and ink 10
The classification of Non. Photorealistic Reading • Main research object: Pen, ink, paper • Main research methods: • -Simulate the microscopic geometry of the medium • -To simulate the microscopic physical laws between flowers and construct equations or functions 11
Classification • Pencil Drawing • -A simulated painting material: • Graphite pencil • paper • rubber • Basic drawing unit • stroke 12
Classification • Watercolor simulation: • -The effect of paper on liquid flow and pigmentation was studied. The paper was decomposed into units and solved by cellular automata • Simulate multiple effects: • -The strokes deepened • -The liquid flow • -Flow diffusion style 13
Classification • Cellular automaton:Through computer calculation, to simulate a complex natural process 14
Classification Ink style simulation: -Creative media: Brush, ink, rice paper -Stroke modeling: Skeleton model, support forking 15
Classification • Drawing effect of brush model 16
Classification • The rendering effect of the three-layer rice paper model Feathery pattern Boundary roughening Light fringes Boundary darkening Branching pattern 17
Conclusion • -Simulates natural creative media, primarily based on physical modeling • -Use real parameters, but apply virtual parameters • -Efficiency is important: real time • -Animation can be created in the auxiliary creation, improve efficiency • Possible direction: • -Improve the simulation degree of common creative media • Try new creative media simulations 18
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