Hyojin Lee

Adaptive Search Patch Selection Preprocessing in NLM Filtering Based on DCT and FFT Frequency Analysis

2025 · Journal of the Korea Society of Computer and Information

영상 매체 활용의 증가로 영상처리의 중요성이 강조되고 있으며, 특히 영상 분석에 직접적인 영향을 미치는 잡음에 대한 효과적인 잡음 제거 기법 연구가 필수적이다. Non-Local Means(NLM) 필터는 유사한 영역을 탐색하여 잡음을 제거하는 효과적인 방식으로 널리 사용되고 있으나, …

Current levels and needs of digital competence among medical teachers in Uzbekistan: a multi-institutional assessment and future directions

2026 · BMC Medical Education

BACKGROUND: Digital competence is essential for effective teaching in medical education, supporting technology integration and learner engagement. In low-resource contexts systematic evaluation of educators’ digital competence remains limited. This study assessed the digital competence of …