Extracting and Retargeting Color Mappings from Bitmap Images of Visualizations.
IEEE Transactions on Visualization and Computer Graphics(2018)
摘要
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...
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关键词
Image color analysis,Data visualization,Data mining,Encoding,Image coding,Optical character recognition software,Feature extraction
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