This should be a circle New Insights in Data Visualization Jack - PowerPoint PPT Presentation

This should be a circle

New Insights in Data Visualization Jack van Wijk (TU/e) Stef van den Elzen (SynerScope)

produce and collect Data People Visualization want insights

The human visual system http://eofdreams.com

The human visual system http://vinceantonucci.com

Anscombe’s quartet Francis Anscombe, 1973

Visualization produce and collect BIG Data People Visualization MESSY want insights

Visualization @ TU/e – information visualization – software visualization – perception – geographic visuali scientific visualization – math vis – human computer interaction – visual analytics Data: flow fields – trees – graphs – tables – mobile data – events – … Applications: health care – software analysis – business – bioinformatics – forens

Hierarchy + network Holten, 2006

Hierarchical edge bundles Holten, 2006

SequoiaView Van Wijk and Van de Wetering, 1999

Botanically inspired treevis Kleiberg, Van de Wetering, van Wijk, 2001

One picture is worth a lot of pixels • Focus on visual presentation • Show everything in one picture?

Limits on perception… How many disks? Chris Healey: Perception in Visualization

Limits on perception… How many disks? Chris Healey: Perception in Visualization

Limits on perception… How many red objects? Chris Healey: Perception in Visualization

Limits on perception… How many red objects? Chris Healey: Perception in Visualization

Limits on perception… How many red disks? Chris Healey: Perception in Visualization

Limits on perception… How many red disks? Chris Healey: Perception in Visualization

Trends in visualization • Focus on interaction – Enable people to explore huge data • Integrate statistics and machine learning – Visual Analytics

Decision trees Van den Elzen and Van W ijk, 2011

Van den Elzen et al., 2014

Telecom data Ivory Coast Van den Elzen et al., 2013

From raw complex data  clear visual order for fast sense making

Rijksmuseum van Oudheden • Visualize collection • Browse and navigate

Data BIG? MESSY? ! Data 57,000 Object name: figuur; godin Description: Terracotta beeld van een vrouwelijke godin, met een hond. Met oude verlijmingen. Material: Aardewerk Size: 12,7 x 5,5 x 4,2 cm Date: romeins 150-200 Site: Nederland, Utrecht, Rhenen, graf 6b

Mix of Structured & Unstructured data

Data People Visualization Context Augment Data (Visual) Analytics

Visualization Object name: figuur; godin Description: Terracotta beeld van een vrouwelijke godin, met een hond. Met oude verlijmingen. Material: Aardewerk Size: 12,7 x 5,5 x 4,2 cm Date: romeins 150-200 Site: Nederland, Utrecht, Rhenen, graf 6b

Interaction Data People Visualization Context Augment Data (Visual) Analytics

Cyber Security Financial Services Critical Open Data Infrastructure

Conclusion – Visualization for Sensemaking • Generic solutions • Simple interaction / querying mechanisms • Use proven workhorses • Deal with large volume of data with – Visual analytics, augmentation • Deal with large variety of data – Interlinked views • System needs to support speed of thinking

Thank you! Prof.dr.ir. Jack van Wijk dr.ir. Stef van den Elzen j.j.v.wijk@tue.nl stef.van.den.elzen@synerscope.com http://www.win.tue.nl/~vanwijk http://www.win.tue.nl/~selzen @jackvanwijk @StefvandenElzen