Search Results - "KwangHee Choi"

SMR-Based Adaptive Mobility Management Scheme in Hierarchical SIP Networks by Choi, KwangHee, Gil, Joon-Min

“…In hierarchical SIP networks, paging is performed to reduce location update signaling cost for mobility management. However, the cost efficiency largely…”
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Securing smart home: Technologies, security challenges, and security requirements by Changmin Lee, Zappaterra, Luca, Kwanghee Choi, Hyeong-Ah Choi

“…Smart homes are gaining vast popularity as the most promising application of the emerging Internet of Things (IoT) technology. Exploiting the high level of…”
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Correcting Faulty Road Maps by Image Inpainting by Hong, Soojung, Choi, Kwanghee

“…As maintaining road networks is labor-intensive, many au- tomatic road extraction approaches have been introduced to solve this real-world problem, fueled by…”
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Disentangling Label Distribution for Long-tailed Visual Recognition by Hong, Youngkyu, Han, Seungju, Choi, Kwanghee, Seo, Seokjun, Kim, Beomsu, Chang, Buru

“…The current evaluation protocol of long-tailed visual recognition trains the classification model on the long-tailed source label distribution and evaluates…”
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Understanding Probe Behaviors Through Variational Bounds of Mutual Information by Choi, Kwanghee, Jung, Jee-Weon, Watanabe, Shinji

“…With the success of self-supervised representations, researchers seek a better understanding of the information encapsulated within a representation. Among…”
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Temporal Knowledge Distillation for on-device Audio Classification by Choi, Kwanghee, Kersner, Martin, Morton, Jacob, Chang, Buru

“…Improving the performance of on-device audio classification models remains a challenge given the computational limits of the mobile environment. Many studies…”
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Automatic Severity Classification of Dysarthric Speech by Using Self-Supervised Model with Multi-Task Learning by Yeo, Eun Jung, Choi, Kwanghee, Kim, Sunhee, Chung, Minhwa

“…Automatic assessment of dysarthric speech is essential for sustained treatments and rehabilitation. However, obtaining atypical speech is challenging, often…”
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EVCMR: A tool for the quantitative evaluation and visualization of cardiac MRI data by Kim, Yoon-Chul, Kim, Khu Rai, Choi, Kwanghee, Kim, Minwoo, Chung, Younjoon, Choe, Yeon Hyeon

“…Quantitative evaluation of diseased myocardium in cardiac magnetic resonance imaging (MRI) plays an important role in the diagnosis and prognosis of…”
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OLKAVS: An Open Large-Scale Korean Audio-Visual Speech Dataset by Park, Jeongkyun, Hwang, Jung-Wook, Choi, Kwanghee, Lee, Seung-Hyeon, Ahn, Jun Hwan, Park, Rae-Hong, Park, Hyung-Min

“…Inspired by humans comprehending speech in a multi-modal manner, various audio-visual datasets have been constructed. However, most existing datasets focus on…”
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A novel and scalable communication-history-based Knapsack authentication framework for IEEE 802.11 networks by Changmin Lee, Chen Shen, Sahin, Gokhan, Kwanghee Choi, Hyeong-Ah Choi

“…Wi-Fi technology is one of the key enablers of the Internet-of-Things (IoT) revolution that will allow the interaction of tens of billions of smart devices…”
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Exploring Speech Recognition, Translation, and Understanding with Discrete Speech Units: A Comparative Study by Chang, Xuankai, Yan, Brian, Choi, Kwanghee, Jung, Jee-Weon, Lu, Yichen, Maiti, Soumi, Sharma, Roshan, Shi, Jiatong, Tian, Jinchuan, Watanabe, Shinji, Fujita, Yuya, Maekaku, Takashi, Guo, Pengcheng, Cheng, Yao-Fei, Denisov, Pavel, Saijo, Kohei, Wang, Hsiu-Hsuan

“…Speech signals, typically sampled at rates in the tens of thousands per second, contain redundancies, evoking inefficiencies in sequence modeling…”
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Correcting Faulty Road Maps by Image Inpainting by Hong, Soojung, Choi, Kwanghee

“…As maintaining road networks is labor-intensive, many automatic road extraction approaches have been introduced to solve this real-world problem, fueled by the…”
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Opening the Black Box of wav2vec Feature Encoder by Choi, Kwanghee, Yeo, Eun Jung

“…Self-supervised models, namely, wav2vec and its variants, have shown promising results in various downstream tasks in the speech domain. However, their inner…”
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Design and implementation of IMS service continuity between IPTV and mobile by KwangHee Choi, Won Mo Kim, Jong Koo Kim, Kwang Sik Kim

“…Session Initiation Protocol (SIP) has been widely applied to multimedia telephony service in Broadband Converged Network (BCN). SIP is also adopted as the…”
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Distilling a Pretrained Language Model to a Multilingual ASR Model by Choi, Kwanghee, Park, Hyung-Min

“…Multilingual speech data often suffer from long-tailed language distribution, resulting in performance degradation. However, multilingual text data is much…”
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Combating the Instability of Mutual Information-based Losses via Regularization by Choi, Kwanghee, Lee, Siyeong

“…Notable progress has been made in numerous fields of machine learning based on neural network-driven mutual information (MI) bounds. However, utilizing the…”
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Understanding Probe Behaviors through Variational Bounds of Mutual Information by Choi, Kwanghee, Jung, Jee-weon, Watanabe, Shinji

“…With the success of self-supervised representations, researchers seek a better understanding of the information encapsulated within a representation. Among…”
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Resolving the Initial Contour Problem of GVF Snake in the Sequential Images by Seol, Yunhwan, Yu, Jaeseung, Kang, Teahoon, Choi, Kwanghee, Kim, Hochul, Kim, Mingi

“…GVF algorithm has been studied actively and it will be able to apply to quite many applications. This paper presents GVF algorithm for the segmentation of a…”
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Speech Intelligibility Assessment of Dysarthric Speech by using Goodness of Pronunciation with Uncertainty Quantification by Yeo, Eun Jung, Choi, Kwanghee, Kim, Sunhee, Chung, Minhwa

“…This paper proposes an improved Goodness of Pronunciation (GoP) that utilizes Uncertainty Quantification (UQ) for automatic speech intelligibility assessment…”
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Unsupervised Speech Representation Pooling Using Vector Quantization by Park, Jeongkyun, Choi, Kwanghee, Heo, Hyunjun, Park, Hyung-Min

“…With the advent of general-purpose speech representations from large-scale self-supervised models, applying a single model to multiple downstream tasks is…”
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