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|a 10.1109/TVCG.2017.2744320
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Poco, Jorge
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Extracting and Retargeting Color Mappings from Bitmap Images of Visualizations
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| 264 |
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1 |
|c 2018
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| 336 |
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 19.12.2018
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| 500 |
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|a Date Revised 19.12.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Visualization designers regularly use color to encode quantitative or categorical data. However, visualizations "in the wild" often violate perceptual color design principles and may only be available as bitmap images. In this work, we contribute a method to semi-automatically extract color encodings from a bitmap visualization image. Given an image and a legend location, we classify the legend as describing either a discrete or continuous color encoding, identify the colors used, and extract legend text using OCR methods. We then combine this information to recover the specific color mapping. Users can also correct interpretation errors using an annotation interface. We evaluate our techniques using a corpus of images extracted from scientific papers and demonstrate accurate automatic inference of color mappings across a variety of chart types. In addition, we present two applications of our method: automatic recoloring to improve perceptual effectiveness, and interactive overlays to enable improved reading of static visualizations
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| 650 |
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 700 |
1 |
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|a Mayhua, Angela
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Heer, Jeffrey
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g 24(2018), 1 vom: 30. Jan., Seite 637-646
|w (DE-627)NLM098269445
|x 1941-0506
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|g volume:24
|g year:2018
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|g day:30
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|g pages:637-646
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