Total Recall: In-place viewing of captured whiteboard annotations

Lars Erik Holmquist; Johan Sanneblad; Lalya Gaye

doi:10.1145/765891.766105

Total Recall: In-place viewing of captured whiteboard annotations

Lars Erik Holmquist^*, Johan Sanneblad, Lalya Gaye

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

5 Citations (Scopus)

8 Downloads (Pure)

Abstract

Total Recall introduces a new way to view captured whiteboard annotations. To digitize drawings we used a modified commercial system. However, instead of displaying the annotations on a separate computer screen, Total Recall shows the annotations at the place on the board where they were actually made. The user holds a hand-held computer to the board and moves it to reveal the desirable portion of the captured annotations. By using ultra-sonic positioning and optimized graphics, we achieve a high frame-rate (30 fps), allowing for very smooth panning and interaction. We argue that this way of viewing captured whiteboard annotations is more natural and intuitive than current desktop-based systems.

Original language	English
Title of host publication	CHI'03 Extended Abstracts on Human Factors in Computing Systems, CHI EA'03
Publisher	ACM
Pages	980-981
Number of pages	2
ISBN (Print)	9781581136371
DOIs	https://doi.org/10.1145/765891.766105
Publication status	Published - 5 Apr 2003
Externally published	Yes
Event	Conference on Human Factors in Computing Systems, CHI EA 2003 - Ft. Lauderdale, FL, United States Duration: 5 Apr 2003 → 10 Apr 2003

Conference

Conference	Conference on Human Factors in Computing Systems, CHI EA 2003
Country/Territory	United States
City	Ft. Lauderdale, FL
Period	5/04/03 → 10/04/03

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10.1145/765891.766105

p980-holmquistFinal published version, 6.15 MB

Cite this

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title = "Total Recall: In-place viewing of captured whiteboard annotations",

abstract = "Total Recall introduces a new way to view captured whiteboard annotations. To digitize drawings we used a modified commercial system. However, instead of displaying the annotations on a separate computer screen, Total Recall shows the annotations at the place on the board where they were actually made. The user holds a hand-held computer to the board and moves it to reveal the desirable portion of the captured annotations. By using ultra-sonic positioning and optimized graphics, we achieve a high frame-rate (30 fps), allowing for very smooth panning and interaction. We argue that this way of viewing captured whiteboard annotations is more natural and intuitive than current desktop-based systems.",

keywords = "Ubiquitous computing, Whiteboard capture systems",

author = "Holmquist, {Lars Erik} and Johan Sanneblad and Lalya Gaye",

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doi = "10.1145/765891.766105",

language = "English",

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publisher = "ACM",

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note = "Conference on Human Factors in Computing Systems, CHI EA 2003 ; Conference date: 05-04-2003 Through 10-04-2003",

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AU - Holmquist, Lars Erik

AU - Sanneblad, Johan

AU - Gaye, Lalya

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Y1 - 2003/4/5

N2 - Total Recall introduces a new way to view captured whiteboard annotations. To digitize drawings we used a modified commercial system. However, instead of displaying the annotations on a separate computer screen, Total Recall shows the annotations at the place on the board where they were actually made. The user holds a hand-held computer to the board and moves it to reveal the desirable portion of the captured annotations. By using ultra-sonic positioning and optimized graphics, we achieve a high frame-rate (30 fps), allowing for very smooth panning and interaction. We argue that this way of viewing captured whiteboard annotations is more natural and intuitive than current desktop-based systems.

AB - Total Recall introduces a new way to view captured whiteboard annotations. To digitize drawings we used a modified commercial system. However, instead of displaying the annotations on a separate computer screen, Total Recall shows the annotations at the place on the board where they were actually made. The user holds a hand-held computer to the board and moves it to reveal the desirable portion of the captured annotations. By using ultra-sonic positioning and optimized graphics, we achieve a high frame-rate (30 fps), allowing for very smooth panning and interaction. We argue that this way of viewing captured whiteboard annotations is more natural and intuitive than current desktop-based systems.

KW - Ubiquitous computing

KW - Whiteboard capture systems

U2 - 10.1145/765891.766105

DO - 10.1145/765891.766105

M3 - Conference contribution

AN - SCOPUS:84869031493

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BT - CHI'03 Extended Abstracts on Human Factors in Computing Systems, CHI EA'03

PB - ACM

Y2 - 5 April 2003 through 10 April 2003

ER -

Total Recall: In-place viewing of captured whiteboard annotations

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