2008_12 ISM2008 Reminiscing View presentation

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Information about 2008_12 ISM2008 Reminiscing View presentation

Published on February 11, 2009

Author: hibino

Source: slideshare.net


ISM2008 presentation "Reminiscing View:
Event-Based Browsing of Consumer’s Photo and Video-Clip Collections" by Chen and Hibino

Reminiscing View: Event-Based Browsing of Consumer’s Photo and Video-Clip Collections Jiajian Chen Stacie Hibino Georgia Institute of Technology Eastman Kodak Company (work conducted at Eastman Kodak Company) hibino@kodak.com jchen30@mail.gatech.edu ISM 2008 Conference Presentation 16 December 2008

Overview Problem Statement and Approach System Overview Hierarchical Event Clustering Reminiscing View: System Description User Study Related Work Summary ©Eastman Kodak Company, 2008 2

Problem Statement and Approach Problem • Increasing size of consumer photo and video clip collections • Increasingly challenging to review – Overview of full collection – Trends in collection over time – Clusters in collection conducive to reminiscing Approach • Reminiscing View application for browsing photo and video clip collections by hierarchical event, incorporating – Automatically clustered and labeled events – Novel spiral layout – Filter and search features for quick and easy clustering and selection ©Eastman Kodak Company, 2008 3

System Overview Kodak Server 2. Index 1. Upload pictures Hierarchical & video clips Event Clusters User 3. Send Query and 4. View Pictures Retrieve Event Grouped by Media Events Kodak Reminiscing View ©Eastman Kodak Company, 2008 4

Hierarchical Event Clustering Europe Super-Events vacation Events London Paris Halloween Notre Eiffel Sub-Events Dame tower … …M … … Media M M M M M M M ©Eastman Kodak Company, 2008 5

Event Clustering and Auto-Labeling Unorganized collection Use Date, Time, Metadata, and Image Content Analysis to Automatically Group and Label Organized event grouping with label Label May 28, 2002 Super event Label Memorial Day Reference: Loui and Savakis (2000) ©Eastman Kodak Company, 2008 6

Reminiscing View: Screen Layout ©Eastman Kodak Company, 2008 7

Visualization Layouts Grid View Layout • Chronological display of event thumbnails in a uniform grid layout • Familiar layout • Fast visual scanning History Spiral View Layout • Chronological display of event thumbnails in Archimedes spiral layout • Alternative layout to traditional grid layout • Default position and size indicate relative time (more recent events are larger) ©Eastman Kodak Company, 2008 8

User Interactions View Options • Event order • Zoom and pan • Event level • Wiimote interface Event Node Interactions • Mouse hover over event thumbnail for zoom + date • Left-click event to expand thumbnail and display child media • Right-click event thumbnail to restore to original size Full-Size Image Viewing ©Eastman Kodak Company, 2008 9

Expanded Icons, Mouse Hover, Child Media ©Eastman Kodak Company, 2008 10

Spiral Thumbnail Zoom: Before and After ©Eastman Kodak Company, 2008 11

Spiral Layout: Thumbnail Placement Layout of event image thumbnail along spiral is determined by Archimedes Spiral Equation so that every image is properly placed and the whole spiral is neither sparse nor crowded Spiral equation in polar coordinates : r = kα + r0 Initialization : α = 0, r0 = avg. image diagonal length, k = 5 × r0 (assumes k < 1; image diagonal length is thus also < 1, normalized for screen area) Iteration: For each image i, its center is decided by polar coordinate ( ri , θi ), where : ri = kα + r0 β = Imagei diagonal length / ri θi = α + β / 2 α =α +β (All angles (α , β , θi ) are expressed in radians.) End For ©Eastman Kodak Company, 2008 12

Full-Size Image Viewing ©Eastman Kodak Company, 2008 13

Filter and Search Month-Year Filter Filter by Sharing Group Keyword Search ©Eastman Kodak Company, 2008 14

User Study Participants • Five female and two male users • Ages 20 to 50 • Externally recruited and compensated for participation System set-up • Preliminary version of Reminiscing View tested • Did not include the month-year selection widget, full-size image viewing, or Wiimote interface • Users could view by event or sub-event level versus by top- and bottom-level events • Subjects browsed their own personal image and video clip collections, which were uploaded to the server prior to user sessions ©Eastman Kodak Company, 2008 15

Participants’ Photo Collections # of Avg # of # of ID Time span Gender sub- images images events events / event U1 2003-2007 858 68 310 12.62 male U2 2004-2007 661 45 242 14.69 female U3 2000-2007 3918 202 1512 19.4 female U4 2003-2007 798 98 253 8.14 female U5 2004-2006 1210 68 318 17.79 male U6 2004-2007 344 18 120 19.11 female U7 2000-2007 531 47 207 11.3 female ©Eastman Kodak Company, 2008 16

Methodology Individual User Testing 1-2 hour Sessions Consisting of • Event sorting: Users sorted all of their Events into one of four user- specified sharing groups • Documentation review: Description of key system features and a summary sheet • Training: Series of simple tasks, stepping users through system features and options; test collection used for training • Unstructured exploration of personal collections: Free exploration of personal collection with the system • Post-survey: Survey with user ratings and open-ended questions • Informal interview: To clarify and follow up on any open-ended comments from the survey or noted during the user session ©Eastman Kodak Company, 2008 17

User Study: Key Findings Layout and Thumbnails • Spiral and grid layout both easy to use • Spiral layout provides insights for some users • Thumbnail size matters • More thumbnails are not necessarily better Filtering • Event-level viewing is preferred • Filtering by sharing group is useful Sharing • Potential for sharing recognized ©Eastman Kodak Company, 2008 18

Related Work Visualization Systems Inspiring Reminiscing • Visualizing email content (Viegas, Golder and Donath, 2006) • PostHistory (Viegas, Boyd, Nguyen, Potter and Donath, 2004) • PhotoArcs (Ames and Manguy, 2006) Event-Based Photo Browsing Systems • PhotoTOC (Platt, Czerwinski and Field, 2002) • TimeQuilt (Huynh, Drucker, Baudisch and Wong, 2005) Other Photo Organization Systems • World Explorer (Ahern, Naaman, Nair, and Yang, 2007) • PhotoMesa (Bederson, 2001) • Riya (riya.com) ©Eastman Kodak Company, 2008 19

Summary Reminiscing View provides a new visualization system for browsing consumer-based photo and video clip collections by hierarchical event User study showed system easy to use, although varied preferences for spiral versus grid layout Current version now incorporates • Updated screen layout to enhance spiral and details viewing • Month-year widget for efficient month- and year-based filtering (which is well aligned with users’ capture habits) • Full-size image viewing for greater emotional impact • Wiimote interface for using the system in a social, “lean back” environment ©Eastman Kodak Company, 2008 20

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