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  1. Article

    Open Access

    Tunable stochastic memristors for energy-efficient encryption and computing

    Information security and computing, two critical technological challenges for post-digital computation, pose opposing requirements – security (encryption) requires a source of unpredictability, while computing...

    Kyung Seok Woo, Janguk Han, Su-in Yi, Luke Thomas, Hyungjun Park in Nature Communications (2024)

  2. No Access

    Article

    Genetic diversity assessment and genome-wide association study reveal candidate genes associated with component traits in sweet potato (Ipomoea batatas (L.) Lam)

    The Korean sweet potatoes were bred by various cultivars introduced from Japanese, American, Porto Rico, China, and Burundi. This issue enriched their genetic diversity but also resulted in a mixture of cultiv...

    Hualin Nie, Hyungjun Park, Sujung Kim, Doyeon Kim in Molecular Genetics and Genomics (2023)

  3. No Access

    Article

    Effect of remifentanil during drug-induced sleep endoscopy in patients with obstructive sleep apnea

    During drug-induced sleep endoscopy (DISE) in patients with obstructive sleep apnea, the increased depth of propofol anesthesia is related to the increased collapsibility of the upper airway with dose-dependen...

    Youngsoon Kim, Hyungjun Park, Junoik Shin, Jeong-Hyun Choi in Sleep and Breathing (2018)

  4. No Access

    Article

    Feasibility Assessment of a Smartphone-Based Application to Estimate Road Roughness

    Transportation agencies spend significant resources to collect pavement roughness data using profiler vans. A potential alternative to collect functionally equivalent data at a significantly lower cost and hig...

    Huanghui Zeng, Hyungjun Park, Brian L. Smith in KSCE Journal of Civil Engineering (2018)

  5. No Access

    Article

    AR/RP-based tangible interactions for collaborative design evaluation of digital products

    In this paper, we propose an approach to collaboration with AR/RP-based tangible interactions for the design evaluation of digital products. The proposed approach embeds augmented reality (AR) into the rapid p...

    Jae Yeol Lee, Gue Won Rhee, Hyungjun Park in The International Journal of Advanced Manu… (2009)

  6. No Access

    Article

    Knowledge-based CNC torch path generation for laser cutting of planar shapes

    In this paper, we propose a knowledge-based method for generating a CNC torch path for laser cutting of the outlines of planar shapes. The proposed method consists of two main phases: laser cutting knowledge c...

    Hyungjun Park, Dong-Gyu Ahn in The International Journal of Advanced Manu… (2008)

  7. No Access

    Article

    Geometric Properties of Ribs and Fans of a Bézier Curve

    Ribs and fans are interesting geometric entities that are derived from a given Béezier curve or surface based on the recent theory of rib and fan decomposition. In this paper, we present some of new geometric ...

    Joo-Haeng Lee, Hyungjun Park in Journal of Computer Science and Technology (2006)

  8. Chapter and Conference Paper

    B-Spline Curve Fitting Using Dominant Points

    Motivated by an insight that properly selected points, called dominant points, can play an important role in producing better curve approximation, we propose a new approach for B-spline curve fitting to a sequenc...

    Hyungjun Park, Joo-Haeng Lee in Computational Science – ICCS 2006 (2006)

  9. No Access

    Article

    Surface offsetting using distance volumes

    Proposed in this paper is a new approach for offset surface construction using three- dimensional (3D) distance volumes. After converting an original compound surface into a triangular mesh, the approach creat...

    Dong Go Jang, Hyungjun Park, Kwangsoo Kim in The International Journal of Advanced Manu… (2005)

  10. No Access

    Article

    A hybrid approach to smooth surface reconstruction from 2-D cross sections

    This article presents a hybrid approach to smooth surface reconstruction from serial cross sections, where the number of contours varies from section to section. In a triangular surface-based approach taken in...

    Hyungjun Park in The International Journal of Advanced Manufacturing Technology (2005)

  11. No Access

    Article

    A solution for NURBS modelling in aspheric lens manufacture

    Aspheric lenses are widely used as important parts of commercial optical products. Owing to their specific functionality, the aspheric surfaces of the lenses are mostly defined by highly complex functions inco...

    Hyungjun Park in The International Journal of Advanced Manufacturing Technology (2004)