Texture and lighting

Sep 11, 2014

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Texture and lighting. Mark Nelson mjas@itu.dk. Purpose of today ’ s lecture. Introduction to the main conceptual elements of T&L Theoretical basis Practical approximations. Types of rendering. Photorealistic Ultimate goal is an accurate simulation of light physics/optics

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Texture and lighting

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Texture

Texture. Texture is a description of the spatial arrangement of color or intensities in an image or a selected region of an image. Structural approach: a set of texels in some regular or repeated pattern. Why Texture Analysis?. Aspects of texture.

1.02k views • 34 slides

TEXTURE AND SHADING

TEXTURE AND SHADING. Presented by Vishal Dalmiya University of Texas at Arlington Electrical Engineering Department. MILESTONES. TEXTURE TEXTURE CLASSIFICATION STATISTICAL METHODS FOR TEXTURE ANALYSIS GRAY-LEVEL CO-OCCURRENCE MATRIX ENTROPY HOMOGENEITY AUTOCORRELATION

758 views • 38 slides

Texture

614 views • 42 slides

Colour and Texture

Colour and Texture. Extract 3-D information Using Vision. Extract 3-D information for performing certain tasks such as manipulation, navigation, and recognition. There are three aspects of this: Segmentation of the scene into distinct objects

680 views • 26 slides

Deformation and texture

Crystallography. H. K. D. H. Bhadeshia. Deformation and texture. www.msm.cam.ac.uk/phase-trans/books.html. ’. slip direction must lie in slip plane maximum shear stress at 45°. Deihl ’ s rule.

787 views • 52 slides

Color and Texture

Color and Texture. To understand and apply the design elements Color & Texture. . Color.

864 views • 20 slides

Texture

Texture. Texture. Texture is an innate property of all surfaces (clouds, trees, bricks, hair etc…). It refers to visual patterns of homogeneity and does not result from the presence of a single color.

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Color and Texture

Color and Texture. Electromagnetic Spectrum. Candelas / sq meter. Computer Screen 1.8 - 150 ~2 orders of magnitude. Physiology: Receptors. Rods active at low light levels (night vision) only one wavelength sensitivity function 100 million rod receptors Cones

631 views • 40 slides

Texture

Texture . Be the end of this lesson you will: Know: About four different textures used in music Understand: the role of texture in music Be able to: Compose using the four different types of texture that you have learned today.

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Texture

Texture. The way melody, harmony, and rhythm are woven together. How dense?. Thick. Thin. Range. Distance between the highest and lowest intervals. Wide. Range. Distance between the highest and lowest intervals. Narrow. Types of Texture. Single melodic line. Monophonic. Polyphonic.

1.07k views • 31 slides

Texture and Texture Mapping

Texture and Texture Mapping. ECSE 4750: Computer Graphics Rensselaer Polytechnic Institute Nov 5, 2012. The Quest for Visual Realism. Another Example of Textual Mapping. The left hand image is flat shaded, the right hand image has been textured. Motivation.

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Texture

Texture. Texture is the surface quality of a shape - rough, smooth, soft hard glossy etc. Texture can be physical (tactile) or visual. Physical Texture.

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texture

texture. How does it feel. What is texture?. How something feels or how something appears to feel!. ROUGH. BUMPY. COARSE. SCRATCHY. SMOOTH. SOFT. What is musical texture?. The way the music feels based upon how it sounds?. SMOOTH. THIN. THICK. FLUID. BUMPY. BOUNCY. JAGGED.

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Texture

Texture. Actual Texture. Miriam Sharpiro , Window on Montana, 1972. acrylic and Fabric. Simulated Texture. Ralph Goings. Airstream Trailer. 1970. Airbrush. 7 x 9 ¾ ”. Constantin Brancusi. Bird in Space. 1928. Bronze. Built Up Media. Van Gogh, Starry Night. .

575 views • 24 slides

TEXTURE and TENDERNESS

TEXTURE and TENDERNESS. ERASTUS K. KANG’ETHE UNIVERSITY OF NAIROBI mburiajudith@gmail.com. TEXTURE and TENDERNESS. Most highly rated by the average consumer Texture

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Texture

Texture. Digital Image Synthesis Yung-Yu Chuang. with slides by Pat Hanrahan and Mario Costa Sousa. Texture. Recall that materials requires parameters to describe their characteristics. These parameters are often spatially varying and textures are used to model such spatial variations.

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Texture

Texture. Objectives Students should be able to:. Perceive and appreciate the textural elements of a design. Express your views on an issue through your artwork. Use appropriate collage techniques. Vocabulary. Texture Real texture Visual texture Simulated texture Invented texture

938 views • 34 slides

Texture

Texture. Course web page: vision.cis.udel.edu/cv. March 12, 2003  Lecture 12. Announcements . There are some typos in paper linked in HW 2; see course web page for corrections Read Forsyth & Ponce, Chapter 9-9.1, 9.2.2-9.4 on texture for Friday. Outline. Image representations Spatial

441 views • 25 slides

Color and Texture

Color and Texture. How do we quantify them? How do we use them to segment an image?. Color. Used heavily in human vision Color is a pixel property, making some recognition problems easy Visible spectrum for humans is 400 nm (blue) to 700 nm (red)

591 views • 55 slides

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