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Conformal Magnifier: A Focus+Context Technique with Minimal Distortion
Xin Zhao1, Wei Zeng1, Xianfeng Gu1
1Stony Brook University.
Abstract:
We present the conformal magnifier, a novel interactive Focus+Context visualization technique to magnify a region of interest (ROI) using conformal mapping. Our framework allows the user to design an arbitrary magnifier to enlarge the features of interest while deforming part of the remaining areas without any cropping. By using conformal mapping, the ROI is magnified with minimal distortion, while the transition region is a smooth and continuous deformation between the focus and context regions. An interactive interface is designed for the user to select important features, design focus models of arbitrary shape and set deformation constraints to satisfy his/her specified requirements. We demonstrate the effectiveness, robustness and efficiency of our method using several applications: texts, maps, geographic images, data structures and multi-media visualization.
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