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About this paper
Zixi Yi, Gary P. T. Choi
The authors analyze how planar chart choice affects corrected spherical maps for genus-0 surfaces and introduce a bounded global affine chart adjustment before the existing FLASH correction. Under fixed-anchor, nondegenerate conditions, the unmodified correction is harmonic extension. Across 30 surfaces, polar upper-tail log-condition and chord-angle distortion fell by median 10.17% and 10.97%, respectively, on all meshes; these are discrete diagnostics.
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