Author

Ahyun Lee

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Open access Sep 2026

Window-Level Semantic Enrichment of Texture-Mapped Building Models in Urban Digital Twins

This paper presents a computational pipeline for window-level semantic enrichment of texture-mapped building models used in urban digital twins (UDTs). The pipeline combines SAM-based candidate generation, super-resolution-based input matching (SRIM), a fine-tuned ResNet-50 window/non-window classifier, and texture-to-...

Ah-Yun Lee, Sungpil Woo, Siyeon Park et al. · Applied Sciences · 0 citations

Open access 2026

Compute-Adaptive Risk Control: A Finite-Sample Calibration Layer for Early-Exit and Cascade Inference

Efficient adaptive inference reduces computational demands, but selecting among policies on the same calibration data without controlling errors simultaneously can compromise safety conclusions. Practical deployment also requires explicit reporting of infeasibility, conditional efficiency analysis, and certification ac...

Sooyoung Jang, Siyeon Park, Sungpil Woo et al. · IEEE Access · 0 citations

Open access 2026

Decoder-Aligned Cumulative-Prefix Training for Low-Latency Spiking Neural Network Classification

The results support DACP as a decoder-aligned objective for cumulative anytime decoding when class evidence is temporally distributed, while identifying fast-saturating event-image tasks as boundary cases rather than domains of universal DACP dominance.

Sooyoung Jang, Sungpil Woo, Ahyun Lee · IEEE Access · 0 citations