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20182026
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cs.CV2026

Beer-Lambert Guided Representation Learning for Unsupervised Anomaly Detection in Sub-THz Food Inspection Images

Gyutae Hwang, Sang Jun Lee

Food manufacturing requires reliable inspection systems to detect foreign material contamination and maintain product safety. Sub-THz transmission imaging provides material-depende…

cs.CV2026

Instance-Aware Knowledge Distillation for Semi-Supervised Learning of an On-Board Multi-Task Dense Prediction Model for Collision Avoidance System

Gyutae Hwang, Sang Jun Lee

Collision avoidance systems have evolved toward camera-based deep learning approaches for driving scene understanding. However, deployment in edge environments such as country club…

cs.CV2025

Periodic-MAE: Periodic Video Masked Autoencoder for rPPG Estimation

Jiho Choi, Sang Jun Lee

In this paper, we propose Periodic-MAE, a self-supervised framework for learning generalizable spatio-temporal representations of periodic physiological signals from unlabeled faci…

cs.CV2024

Phase-shifted remote photoplethysmography for estimating heart rate and blood pressure from facial video

Gyutae Hwang, Sang Jun Lee

Human health can be critically affected by cardiovascular diseases, such as hypertension, arrhythmias, and stroke. Heart rate and blood pressure are important biometric information…

cs.CV2018

Selective Distillation of Weakly Annotated GTD for Vision-based Slab Identification System

Sang Jun Lee, Sang Woo Kim, Wookyong Kwon +2

This paper proposes an algorithm for recognizing slab identification numbers in factory scenes. In the development of a deep-learning based system, manual labeling to make ground t…