Scene Blocking Utilizing ForcesChristine Talbot

Character Positioning

Discovery News – Avatar: Motion Capture Mirrors Emotions

http://news.discovery.com/videos/avatar-making-the-movie/

MindMakers Wiki

http://www.mindmakers.org/

projects/bml-1-0/wiki/Wiki

Spatial Movement (Previous Work)

Sentence

Subject NP

Actor/Noun

VPVP Action/

Verb

NP Target/Noun

Speech Movement

Grouping Spatial Rules

Conversational Spatial Rules

Theatre Rules

General Rules

MindMakers Wiki

http://www.mindmakers.org/

projects/bml-1-0/wiki/Wiki

SmartBody Path Planning

http://smartbody.ict.usc.edu

Adding a Human

Move correctly, on-time

Move correctly, wrong time

Move incorrectly, on-time

Move incorrectly, wrong time

Don’t move at all

Force-Directed Graphs (FDGs)

Equilibrium of Forces

Aesthetically Balanced

Easy to See Nodes

Crossings-Free (some)

Fixed Nodes

Varying Relationships Based on Data

Can be Arranged in Pre-defined Shapes (some)

Force-Directed Graph Structure

Node Representations: Characters Human Target/Marks/Pawns Audience Central Grouping Point

Linkages Characters – Humans/Characters Characters – Targets/Marks/Pawns Characters – Audience Characters – Central Grouping Point Central Grouping Point - Audience Humans – Central Grouping Point Humans - Audience

A

H

T

AA

Force-Directed Graph Functions

Adding Characters

Characters Leaving

Moving Characters

Human Moves

B

H

T

TA

What Does it Look Like?

Evaluation Criteria

Occlusion

Clustering

Results

Case #

Case Description

Avg Occlusion

Average Clustering X

Average Clustering Y

0Baseline All AI 3.60% 19.50% 14.60%

1Baseline Human 90% 3.60% 19.10% 15.40%

2Baseline Human 50% 2.90% 20.00% 14.70%

3Baseline Human 10% 4.40% 30.90% 28.70%

4Forces All AI 2.40% 16.80% 14.60%

5Forces Human 90% 2.40% 16.80% 14.60%

6Forces Human 50% 1.60% 20.40% 13.80%

7Forces Human 10% 2.40% 20.80% 14.00%

Horizontal Alignment = 28% clustering

Summary

Introduced Human-Controlled Character Issues

Proposed Force-Directed Graphs

Provided Algorithms

Implemented Approach

Evaluated Occlusion & Clustering

Provided Good Initial Results

Future Work

A

H

T

More consistent clustering

Christine Talbot

ctalbot1@uncc.edu

Questions?