Visualisation, Rendering and Animation · Heinz Mayer, Franz Leberl, Andrej Ferko Institut für...

Visualisation, Rendering and Animation

2 VO / 1 KU (2001-2004)

Heinz Mayer, Franz Leberl & Andrej Ferko

ferko@icg.tu-graz.ac.at

Short podcast version 2020

Visualisation, Rendering & AnimationHeinz Mayer, Franz Leberl, Andrej Ferko

Institut für Maschinelles Sehen und Darstellen

TU Graz

Non-fiction Books, SCCG & CESCG

TU Graz

On Model of a Human Being

Problem – Application Program - Solution

AP GS WS

GUI HVS

TU Graz

Graphics & Visual Computing

ACM Computing Curriculum

at http://www.computer.org/education/cc2001/final/gv.htm:

The area encompassed by Graphics and Visual

Computing (GV) is divided into four interrelated

fields:

Computer graphics.

Visualization.

Virtual reality.

Computer vision.

TU Graz

Computer GraphicsComputer graphics is the art and science of

communicating information using images that are

generated and presented through computation. This requires:

(a) the design and construction of models that represent information in

ways that support the creation and viewing of images,

(b) the design of devices and techniques through which the person may

interact with the model or the view,

(c) the creation of techniques for rendering the model, and

(d) the design of ways the images may be preserved. The goal of

computer graphics is to engage the person's visual centers alongside

other cognitive centers in understanding.

TU Graz

VisualizationVisualization. The field of visualization seeks to

determine and present underlying correlated structures

and relationships in both scientific (computational and

medical sciences) and more abstract datasets.

The prime objective of the presentation should be to

communicate the information in a dataset so as to enhance

understanding.

Although current techniques of visualization exploit visual

abilities of humans, other sensory modalities, including

sound and haptics (touch), are also being considered to

aid the discovery process of information.

SIGGRAPH movie

TU Graz

Virtual realityVirtual reality. Virtual reality (VR) enables

users to experience a three-dimensional

environment generated using computer

graphics, and perhaps other sensory

modalities, to provide an environment for

enhanced interaction between a human user

and a computer-created world.

TU Graz

Computer vision

Computer vision. The goal of

computer vision (CV) is to deduce the

properties and structure of the three-

dimensional world from one or more two-

dimensional images. The understanding and

practice of computer vision depends upon

core concepts in computing, but also relates

strongly to the disciplines of physics,

mathematics, and psychology.

TU Graz

Compare Reality - Synthesis

TU Graz

2001 - Final Fantasy ( The Spirits Within )

– all characters animated, photorealism, hair for millions dollars

TU Graz

The Graphics Pipeline Steps

Modeling

Output

input devices modeler

Rendering

transformations

projection

visibility

rasterization

shading

device drivers output devices

clipping

TU Graz

The Three Brains/Heads

Modeling

Output

Rendering

transformations

projection

visibility

rasterization

shading

clipping

TU Graz

Triple Schizofreny

Modeling

Output

Rendering

transformations

projection

visibility

rasterization

shading

clipping

Application Programmer

GS author

User, bonnie,

ISO: operator,

customer, boss...

TU Graz

Computer Science Context

Reference Models:

– Simple

– ISO (GKS, PHIGS, PREMO, ...)

– Others… (OpenGL, DirectX…)

Analogies:

– Photography

TU Graz

Analogy: photography & computer graphics

ISO: Computer graphics: methods & techniques for construction,

manipulation, storage and displaying pictures using computer.

Visual

perception Display

Monitor Computer

Geometric

representation

Geometry to

image data

Real world

Object

Visual

perceptionDisplay Record

CameraMovie or

snap/photo

TU Graz

ESCHER

TU Graz

KUBOID by P. Eliáš

TU Graz

www.dunako.com

TU Graz

Computer Graphics Motivation

• no Marxistic mass of workers, but the technology

• three great discoveries• microprocessor

• open system

• global network

• problems• lack of investments and standards

• byrocratic stupidity

• low speed bandwith

• enormous data extent...

• technology borders, knowledge and/or fantasy

TU Graz

Computer Graphics Bible

TU Graz

Graphics Sub-comunities

TU Graz

Thank You...

… for Your attention.

Visualisation, Rendering and Animation

2 VO / 1 KU (2001-2004)

Heinz Mayer, Franz Leberl & Andrej Ferko

ferko@icg.tu-graz.ac.at

Short podcast version 2020

Visualisation, Rendering and Animation · Heinz Mayer, Franz Leberl, Andrej Ferko Institut für...

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