Search Results for author: Junyoung Choi

Found 9 papers, 0 papers with code

Butterfly Effect: Bidirectional Control of Classification Performance by Small Additive Perturbation

no code implementations27 Nov 2017 YoungJoon Yoo, SeongUk Park, Junyoung Choi, Sangdoo Yun, Nojun Kwak

In addition to this performance enhancement problem, we show that the proposed PGN can be adopted to solve the classical adversarial problem without utilizing the information on the target classifier.

Classification General Classification

Task-oriented Design through Deep Reinforcement Learning

no code implementations13 Mar 2019 Junyoung Choi, Minsung Hyun, Nojun Kwak

We propose a new low-cost machine-learning-based methodology which assists designers in reducing the gap between the problem and the solution in the design process.

BIG-bench Machine Learning reinforcement-learning +1

Disentangling Options with Hellinger Distance Regularizer

no code implementations15 Apr 2019 Minsung Hyun, Junyoung Choi, Nojun Kwak

In reinforcement learning (RL), temporal abstraction still remains as an important and unsolved problem.

reinforcement-learning Reinforcement Learning (RL)

Handling Out-Of-Vocabulary Problem in Hangeul Word Embeddings

no code implementations EACL 2021 Ohjoon Kwon, Dohyun Kim, Soo-Ryeon Lee, Junyoung Choi, SangKeun Lee

Word embedding is considered an essential factor in improving the performance of various Natural Language Processing (NLP) models.

Word Embeddings

MitoVis: A Visually-guided Interactive Intelligent System for Neuronal Mitochondria Analysis

no code implementations3 Sep 2021 Junyoung Choi, Hakjun Lee, Suyeon Kim, Seok-Kyu Kwon, Won-Ki Jeong

It is known that the morphology of mitochondria is closely related to the functions of neurons and neurodegenerative diseases.

Deep Learning-based Real-time Smartphone Pose Detection for Ultra-wideband Tagless Gate

no code implementations13 Feb 2024 Junyoung Choi, Sagnik Bhattacharya

As commercial interest in proximity services increased, the development of various wireless localization techniques was promoted.

Power-Efficient Indoor Localization Using Adaptive Channel-aware Ultra-wideband DL-TDOA

no code implementations16 Feb 2024 Sagnik Bhattacharya, Junyoung Choi, Joohyun Lee

In this paper, we propose and implement a novel low-power channel-aware dynamic frequency DL-TDOA ranging algorithm.

Indoor Localization

Dynamic Anchor Selection and Real-Time Pose Prediction for Ultra-wideband Tagless Gate

no code implementations22 Feb 2024 Junyoung Choi, Sagnik Bhattacharya, Joohyun Lee

DynaPose is based on line-of-sight (LOS) and non-LOS (NLOS) classification using deep learning for anchor selection and pose prediction.

Pose Prediction

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