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Ken Ying-Kai Liao

5 papers indexed

arxivcs.CV2026-07-13

Anatomy-Privileged Distillation with Token Routing for MRI-Based Prediction of Perineural Invasion

Hyunsu Go, Youngung Han, Kyeonghun Kim, Junga Kim, Dohyun Kweon, Jinyong Jun, et al.

Perineural invasion (PNI) is associated with poor postoperative outcomes in intrahepatic cholangiocarcinoma, but it is confirmed by surgical pathology. Existing preoperative imaging models often rely on radiologist-defined variables, contrast-enhanced imaging, or manual annotatio…

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arxivcs.CVcs.LG2026-07-13

SpikeDS: Dual Sparsity Spikformer for Perineural Invasion Prediction in 3D MRI

Induk Um, Youngung Han, Kyeonghun Kim, Yului Jeong, Jina Jeong, Hyunsu Go, et al.

Perineural invasion (PNI) is associated with poor prognosis in cholangiocarcinoma (CCA). However, its detection from 3D MRI remains challenging due to the subtle and spatially heterogeneous imaging signatures at the tumor periphery. Capturing such spatially sparse cues necessitat…

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arxivcs.CVcs.LG2026-07-13

Adaptive Routing for Efficient Diffusion Transformer-Based PNI Prediction

Youngung Han, Dohyun Kweon, Kyeonghun Kim, Hyunsu Go, Jina Jeong, Suah Park, et al.

Perineural invasion (PNI) is a critical prognostic factor in cholangiocarcinoma. However, its preoperative prediction from magnetic resonance imaging (MRI) remains challenging due to subtle imaging features that extend beyond tumor boundaries into surrounding regions. Conventiona…

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arxivcs.CVcs.AIcs.LG2026-07-09

ProsMAE: Multi-Source MAE Pretraining for ISUP Grade Classification

Anna Jung, Kyeonghun Kim, Youngung Han, Eunseob Choi, Jiwon Yang, Ken Ying-Kai Liao, et al.

Whole slide images (WSIs) provide rich diagnostic information for computational pathology, but their gigapixel scale, stain variation, scanner differences, tissue artifacts, and limited expert annotation make robust model training challenging. This paper presents a multi-source M…

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arxivcs.CLcs.AIcs.HCcs.LG2026-07-09

LEXIC: Lightweight Eye-tracking eXtension via Injected Complexity

Sumin Lee, Kyeonghun Kim, Subeen Lee, Jiwon Yang, Tien Nguyen, Ken Ying-Kai Liao, et al.

On the recent EyeBench benchmark, predicting reading comprehension from eye movements exposes a stark gap: text-aware models using pretrained language models reach 56--63% AUROC, while gaze-only models operate at chance. We ask how far a gaze-only model can be pushed by lightweig…

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