visual analysis and software assistance
DESCRIPTION
Visual Analysis and Software Assistance. Dr. Christine Rivers QUIC Project (NCRM) University of Surrey. Rationale. PhD Project - Experiments Remote Tabletop Collaboration Gained Different Multimedia Data Sets Unsynchronised files Merging different Data Types - PowerPoint PPT PresentationTRANSCRIPT
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Visual Analysis and Software Assistance
Dr. Christine Rivers
QUIC Project (NCRM)
University of Surrey
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Rationale
• PhD Project - Experiments– Remote Tabletop Collaboration
• Gained Different Multimedia Data Sets– Unsynchronised files
• Merging different Data Types– Which software allows synchronising and analysing
in-depth?
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Questions
1. Which software is useful?
2. How can we analyse effectively?
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Overview
• Criteria for: Which software is useful?
• Comparison – Atlas.ti 6
– Transana 2.41
– DRS (Digital Replay System)
• Conclusion
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Which software is useful?
• Type of Data – Multiple Multimedia Files– Synchronisation– Preparation of Data
• Analysing Data– Extracting Sequences in-depth Analysis– Coding Schemes
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Atlas.ti 6
• Compatible with Windows/ Vista/ Mac BootCamp
• Text files: txt, rtf, doc, pdf
• Multimedia files: jpg, jpeg, gif, bmp, wav, avi, mpg,
mpeg, mp3
• Synchronisation of Transcript & Video using F4
• Synchronisation of Multiple Videos not supported
• Requires Preparation if Multiple Data Files used
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F4media
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F4media
• Allows Transcribing and Editing Existing Transcripts
in relation to a Video File
• Synchronise Transcript and Video for Use in ATLAS.ti
• Requires Preparation of Videos – Particularly Multiple Videos– Video Quality poor but less important for Transcription
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F4 Docs in ATLAS.ti
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Windows in Atlas.ti
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Quotation Manager
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Code Manager
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Memo Manager
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Summary ATLAS.ti
• Advantages– Initial / Open Coding– Identifying Themes– Linking several codes to 1 quotation– Data (Video or Audio) can be synchronized with a
transcript using F4 but difficult
• Disadvantages– Data has to be prepared– Detailed Analysis difficult
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Transana 2.41
• Compatible with Windows/ Mac
• Multimedia files: wav, avi, mpeg-1, mpeg-2, mp3, rtf
• Does not support multimedia files from CD or DVD or still
images
• Video and Transcript(s) can be analysed together -
Interactivity
• Video Data requires Preparation
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Windows in Transana
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Video Window
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Transcript Window
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Data WindowAdding an Episode (Video)
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Synchronizing Visual Data
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Producing Clips for Coding
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Viewing Clips
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Coding by Keywords
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Summary of Transana
• Advantages– Importing Data of Different Types easy (e.g. ATLAS.ti
F4)– Having Multiple Transcripts and Video Files in one– Extracting Clips and coding individually
• Disadvantages– Videos have to be prepared– No still images
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DRS (Digital Replay System)
• Compatible with Windows / Mac OSX 10.4
• Multimedia files: wav, avi, mpeg-1, mpeg-2, mp3, rtf
and jpg, png, gif.
• Video and Transcript(s) can be analysed together -
Interactivity
• Video Data requires Preparation similar to Transana
(Synchronization Issues)
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Windows in DRS
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Video Window
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Project & Analysis Browser
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Analysis Browser
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Analysis Browser
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Transcript Window
Time Codes
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Track Viewer
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Coding in DRS
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Moving & Adding Codes
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Summary of DRS
• Advantages– View multiple media files synchronously (video,
transcripts etc.)– Coding is easy to do– Adding and Importing files easy
• Disadvantages– In-depth analysis produces a lot of ‘windows’– Codes can not overlap in one track– Video quality is poor even if prepared
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Conclusion• Each CAQDAS tool offers good solutions
– Depending on type of data – Amount of data– Level of analysis that want to be achieved
CAQDAS tool Type of Data Size of Data Level of Analysis
ATLAS.ti Any but difficult to combine
Small Broader
TRANSANA Video/audio and transcript
Large In-depth
DRS any Medium In-depth but complexity increases
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Suggestions
• Synchronization– Preparing the media files before using them in
one of the CAQDAS tools
• Transcription– Transcribing directly in the CAQDAS tool is
beneficial as data can be directly related to media file