Hae-Seung Lim

Lane-Aware Two-Stage Radar Multi-Object Tracking for Lane-Level Traffic Monitoring at Complex Intersections

J. S. Lee, Soyeong Kim, Hae-Seung Lim, Yoontae Hwang et autres

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Improved Accuracy of Track-Based Integration of Radar and Vision Sensors

Seungheon Kwak, Younghwan Chae, Minyoung Choi, Hae-Seung Lim et autres

This paper proposes a method for integrating the camera and radar datas using non-linear homography transformations. The lens distortion effects of a camera cause differences in object positions to have a non-linear relationship with pixel differences in the captured image. Therefore, accurate …

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Solving Doppler Ambiguity Using Folded Array in Uniform Phase DDM Method

Hwanhee Park, Chan-Bin Ko, Jeong-Hoon Park, Chanul Park et autres

Due to the availability of maintaining the orthogonality between transmit signals and effectively leveraging time resources, the Doppler division multiplexing (DDM) method has been widely investigated for operating multiple-input multiple-output (MIMO) radar systems. However, the number of peaks equal to the number …

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Deep-Learning-Based Kick Motion Recognition in Millimeter Waveband Radar System

Chanul Park, Hyo-In Baek, Younghwan Chae, Hae-Seung Lim et autres

In this article, we propose a method for recognizing kick motions using a multiple-input multiple-output (MIMO) frequency-modulated continuous wave (FMCW) radar system combined with deep learning techniques. Smart trunk opener (STO) systems that provide users with hands-free trunk operation have been gaining …

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Implementation of Deep Learning-based Kick Gesture Recognition Using 60 GHz Radar Sensor

Hyo-In Baek, Younghwan Chae, Hae-Seung Lim, Jae-Eun Lee et autres

In the realm of automotive technology, hands-free trunk operation systems have emerged as a cornerstone of convenience and functionality. Predominantly reliant on ultra-sonic and camera-based sensors, these systems, however, falter in adverse weather conditions such as rain, snow, and fog, and are …

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The Effect of Elite Sports Leader’s Non-verbal Communication on Relationships of Athletes, Exercising, Immersion, and Sports Performance Satisfaction : Focused on Kumdo Leaders in University

Hae-Seung Lim, Jong‐Woo Kim, Seung‐Ho Shin

이 연구는 비언어적 커뮤니케이션이 선수의 관계유지, 운동몰입 및 운동수행만족에 미치는 영향을 연구하고자 한다. 온라인 눈덩이표집법을 통하여 2021년도 대한체육회 엘리트스포츠선수로 등록되어 있는 전국 대학검도선수들에 게 설문지를 배포하여 총 154부를 회수하였다. 응답이 불성실한 27부를 제외한 127부(82.46%)를 최종자료로 사용하였 다. SPSS 23.0을 이용하여 요인분석, 신뢰도분석, …

Dual-Mode Radar Sensor for Indoor Environment Mapping

Seongwook Lee, Song-Yi Kwon, Bong-Jun Kim, Hae-Seung Lim et autres

In this paper, we introduce mapping results in an indoor environment based on our own developed dual-mode radar sensor. Our radar system uses a frequency-modulated continuous wave (FMCW) with a center frequency of 62 GHz and a multiple-input multiple-output antenna system. In …

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Lane-by-Lane Traffic Monitoring Using 24.1 GHz FMCW Radar System

Hae-Seung Lim, Hyung‐Min Park, Jae-Eun Lee, Yong‐Hwa Kim et autres

In this article, we propose a method to monitor traffic on the road using a 24.1 GHz radar system. In our work, we design our own traffic monitoring radar system from radar hardware, such as antenna systems and the transceiver, to radar …

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Stationary Target Identification in a Traffic Monitoring Radar System

Hae-Seung Lim, Jae-Eun Lee, Hyung‐Min Park, Seongwook Lee

Recently, as one of the intelligent transportation systems, radar systems that monitor traffic on the road have received attention. To ensure the reliable detection performance of the traffic monitoring radar, it is necessary to distinguish stationary road structures from moving vehicles. Therefore, …

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DNN-Based Human Face Classification Using 61 GHz FMCW Radar Sensor

Hae-Seung Lim, Jaehoon Jung, Jae-Eun Lee, Hyung‐Min Park et autres

In this paper, we propose a method for classifying human faces using a small-sized millimeter wave radar sensor. The radar sensor transmits a frequency-modulated continuous wave signal operating in the 61 GHz band and it receives reflected signals using spatially separated receiving …

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Harmonic clutter recognition and suppression for automotive radar sensors

Jae-Eun Lee, Hae-Seung Lim, Seonghee Jeong, Hyun‐Chool Shin et autres

In this article, we propose a novel harmonic clutter recognition and suppression method to overcome the deterioration of a target- or vehicle-detection performance due to harmonic clutters. Although several studies have been performed on the reflection and diffraction on road surfaces for …

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Clutter Suppression Method of Iron Tunnel Using Cepstral Analysis for Automotive Radars

Han-Byul Lee, Jae-Eun Lee, Hae-Seung Lim, Seonghee Jeong et autres

In this paper, we propose an efficient clutter suppression algorithm for automotive radar systems in iron-tunnel environments. In general, the clutters in iron tunnels makes it highly likely that automotive radar systems will fail to detect targets. In order to overcome this …

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