Collection Collection Understanding Through Understanding Through

Streaming CollageStreaming Collage

Michelle ChangMichelle Chang

John LeggettJohn Leggett

Center for the Study of Digital LibrariesCenter for the Study of Digital Libraries

Texas A&M UniversityTexas A&M University

LayoutLayout

IntroductionIntroduction Collection UnderstandingCollection Understanding ProblemsProblems Streaming CollageStreaming Collage DemonstrationDemonstration SummarySummary

IntroductionIntroduction

Large collection of digital Large collection of digital artifactsartifacts

Actual contents difficult to Actual contents difficult to perceiveperceive

Image retrieval methods are Image retrieval methods are insufficientinsufficient

Collection UnderstandingCollection Understanding

Understand the essence of Understand the essence of the collection by focusing the collection by focusing on the artifactson the artifacts

Comprehensive viewComprehensive viewNot locating specific Not locating specific

artifactsartifacts

Problems with Querying by Problems with Querying by MetadataMetadata

Currently the most used Currently the most used methodmethod

Two levels: collection, artifactTwo levels: collection, artifactCreator/maintainer/collector Creator/maintainer/collector

defines metadatadefines metadataTime-consumingTime-consumingVagueVague

Problems with BrowsingProblems with Browsing

Pre-defined and fixed Pre-defined and fixed structurestructure

Requires large amount of Requires large amount of navigation (pointing and navigation (pointing and clicking)clicking)

Narrows a collectionNarrows a collection

Problems with ScrollingProblems with Scrolling

Limited screen spaceLimited screen spaceEntire result set not visibleEntire result set not visibleRequires large amount of Requires large amount of

pointing and clickingpointing and clicking

Current ResearchCurrent Research

Efficient Collection Understanding

Visualization tools –Variably gridded thumbnails–Ambient Media–Streaming Collage

Streaming CollageStreaming Collage

Collage is “an assembly of Collage is “an assembly of diverse fragments”diverse fragments”

Indeterminacy – randomizing Indeterminacy – randomizing placement and orderplacement and order

Streaming – constructed Streaming – constructed dynamically in time dynamically in time

Metadata FilteringMetadata Filtering

Modifying metadata fields Modifying metadata fields and valuesand values

Expand result setExpand result setConstrain result set Constrain result set

Combining Collage and Combining Collage and Metadata FilteringMetadata Filtering

Continuous Process of:Continuous Process of:

Interactively filtering Interactively filtering metadatametadata

Generating dynamic collageGenerating dynamic collage

Temporal and SpatialTemporal and Spatial

DemonstrationDemonstration

DemonstrationDemonstration

DemonstrationDemonstration

DemonstrationDemonstration

DemonstrationDemonstration

SummarySummary

Collection understanding shifts the traditional focus of image retrieval

Collage inspires users to derive their own relationships

Collection insight increases

AcknowledgmentsAcknowledgments

The Humanities Informatics Initiative, Telecommunications and Informatics Task Force, Texas A&M University.

Andruid Kerne's Collage Machine The On-Line Picasso Project