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cs.CV2024
A Formalization of Image Vectorization by Region Merging
Roy Y. He, Sung Ha Kang, Jean-Michel Morel
Image vectorization converts raster images into vector graphics composed of regions separated by curves. Typical vectorization methods first define the regions by grouping similar…
cs.IT2024
Group Projected Subspace Pursuit for Block Sparse Signal Reconstruction: Convergence Analysis and Applications
Roy Y. He, Haixia Liu, Hao Liu
In this paper, we present a convergence analysis of the Group Projected Subspace Pursuit (GPSP) algorithm proposed by He et al. [HKL+23] (Group Projected subspace pursuit for IDENT…
cs.CV2024
Euler's Elastica Based Cartoon-Smooth-Texture Image Decomposition
Roy Y. He, Hao Liu
We propose a novel model for decomposing grayscale images into three distinct components: the structural part, representing sharp boundaries and regions with strong light-to-dark t…