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  1. Article

    Correction to: Bird-Strike Damage Analysis and Preliminary Design of Composite Radome Structure Using Smoothed Particle Hydrodynamics

    The original version of this article unfortunately contained a mistake. Fig 2 was captured incorrectly. Since the analysis of bird-strike in the paper was carried out with Abaqus, it was replaced by a picture ...

    Jun Hwan Jang, Sang Ho Ahn in Applied Composite Materials (2019)

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    Article

    Bird-Strike Damage Analysis and Preliminary Design of Composite Radome Structure Using Smoothed Particle Hydrodynamics

    The bird-strike is the main reason that could lead to the severe damages to the aircraft and the cost. In addition, aviation certification authorities have to prove the integrity of bird strike. The verificati...

    Jun Hwan Jang, Sang Ho Ahn in Applied Composite Materials (2019)

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    Chapter and Conference Paper

    A Feature-Based Small Target Detection System

    Existing small target detection systems generally use the difference image between a predicted background image and an original image. This method has two disadvantages. First, to predict the background image,...

    Jong-Ho Kim, Young-Su Park, Sang-Ho Ahn in Mobile, Ubiquitous, and Intelligent Comput… (2014)

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    Chapter and Conference Paper

    A Small Target Detection System Based on Morphology and Modified Gaussian Distance Function

    We propose a new small target detection system that detects small target candidates based on morphology operations and detects actual targets using a modified Gaussian distance function. To reduce clutter on t...

    Jong-Ho Kim, Jun-Jae Park, Sang-Ho Ahn in Mobile, Ubiquitous, and Intelligent Comput… (2014)

  5. No Access

    Article

    Radiologic differences in white matter maturation between preterm and full-term infants: TBSS study

    Widespread white matter (WM) pathology in preterm children has been proposed.

    Ah Young Lee, Sung Ho Jang, Eunsil Lee, Sang Ho Ahn, Hee Kyung Cho in Pediatric Radiology (2013)

  6. No Access

    Chapter and Conference Paper

    A Real-time Object Detection System Using Selected Principal Components

    The detection of moving objects is a basic and necessary preprocessing step in many applications such as object recognition, context awareness, and intelligent visual surveillance. Among these applications, ob...

    Jong-Ho Kim, Byoung-Doo Kang, Sang-Ho Ahn in Multimedia and Ubiquitous Engineering (2013)

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    Article

    Dentatorubrothalamic tract in human brain: diffusion tensor tractography study

    The dentatorubrothalamic tract (DRTT) originates from the dentate nucleus in the cerebellum and terminates in the contralateral ventrolateral nucleus (VL) of the thalamus after decussating to the contralateral...

    Hyeok Gyu Kwon, Ji Heon Hong, Cheol Pyo Hong, Dong Hoon Lee, Sang Ho Ahn in Neuroradiology (2011)

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    Article

    An Efficient Two-Dimensional Least Mean Square (TDLMS) Based on Block Statistics for Small Target Detection

    In this paper, we introduce an efficient TDLMS filter, using the new weight structure and nonlinear step size for small target detection within infra-red (IR) imagery. A new TDLMS filter that can efficiently d...

    Tae-Wuk Bae, Young-Choon Kim, Sang-Ho Ahn in Journal of Infrared, Millimeter, and Terah… (2009)

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    Article

    A study on the boss forming process of AZ31 Mg alloy sheet

    A series of boss forming tests has been carried out using an AZ31 Mg alloy sheet at 250 °C, 300 °C, and 350 °C with various lubrication conditions to obtain optimum process conditions. The Mg alloy sheet had a...

    Ji Eon Park, Hyung Rae Kim, Sang Ho Ahn in Metals and Materials International (2009)

  10. Chapter and Conference Paper

    Human Motion Modeling Using Multivision

    In this paper, we propose a gesture modeling system based on computer vision in order to recognize a gesture naturally without any trouble between a system and a user using real-time 3D modeling information on...

    Byoung-Doo Kang, Jae-Seong Eom, Jong-Ho Kim in Human-Computer Interaction. HCI Intelligen… (2007)

  11. Chapter and Conference Paper

    Real-Time Face Tracking System Using Adaptive Face Detector and Kalman Filter

    In this paper, we propose a real-time face tracking system using adaptive face detector and the Kalman filter. Basically, the features used for face detection are five types of simple Haar-like features. To on...

    Jong-Ho Kim, Byoung-Doo Kang, Jae-Seong Eom in Human-Computer Interaction. HCI Intelligen… (2007)

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    Chapter and Conference Paper

    Recognition of Concrete Surface Cracks Using ART2-Based Radial Basis Function Neural Network

    In this paper, we proposed the image processing techniques for extracting the cracks in a concrete surface crack image and the ART2-based radial basis function neural network for recognizing the directions of ...

    Kwang-Baek Kim, Hwang-Kyu Yang, Sang-Ho Ahn in Computational Science and Its Applications… (2006)

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    Chapter and Conference Paper

    Preventive Congestion Control Mechanisms in ATM Based MPLS on BcN: Detection and Control Mechanisms for a Slim Chance of Label Switched Path

    In NGN, many transport-related technologies were considered. One technology discussed is ATM (Asynchronous Transfer Mode) based MPLS (Multi-protocol Label Switching) for its provisioning QOS (Quality Of Servic...

    Chulsoo Kim, Taewan Kim, ** hyuk Son in Management of Convergence Networks and Ser… (2006)

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    Chapter and Conference Paper

    Recognition of Concrete Surface Cracks Using the ART1-Based RBF Network

    In this paper, we proposed the image processing techniques for extracting the cracks in a concrete surface crack image and the ART1-based RBF network for recognizing the directions of the extracted cracks. The...

    Kwang-Baek Kim, Kwee-Bo Sim, Sang-Ho Ahn in Advances in Neural Networks - ISNN 2006 (2006)

  15. No Access

    Chapter and Conference Paper

    Digital Watermarking Based on Three-Dimensional Wavelet Transform for Video Data

    With the increment of digital media, multimedia technology and copyright protection have been the important issue. In this paper, an effective watermarking algorithm is proposed to protect copyright of video d...

    Seung-** Kim, Tae-Su Kim, Ki-Ryong Kwon in Advances in Multimedia Information Process… (2005)