An Energy-Efficient Monocular Depth Estimation Processor with Local Group Token Merging and On-the-Fly Sparse Speculation

IEEE International Symposium on Integrated Circuits and Systems, Dec. 2026

Junghyun Yoo, Seungbin Kim, Ghangmin Yun, Bokyoung Seo, Jueun Jung, and Kyuho Jason Lee

EMPSA: A 2.98mJ/frame PointMamba Accelerator for Real-time 3D Point-Cloud Segmentation

IEEE International Symposium on Integrated Circuits and Systems, Dec. 2026

Chaeyoon Kim, Bokyoung Seo, Ghangmin Yun, Seungbin Kim, Jueun Jung, and Kyuho Jason Lee

QUARC: A Compact and Energy-Efficient Quad-Mode Reconfigurable Analog-Digital Hybrid eDRAM CIM for Ternary-LLM Acceleration

IEEE International Symposium on Integrated Circuits and Systems, Dec. 2026

Hoichang Jeong, Minsoo Kim, Gyumin Choi, and Kyuho Jason Lee

A 77.1 TOPS/W Simultaneous Refresh-Compute eDRAM CIM Macro with Input-Aware ADC and Effective-Bit Reconfigurable Accumulator

IEEE European Solid-State Electronics Research Conference, Sept. 2026

Hoichang Jeong, Seungbin Kim, Gyumin Choi, Minsoo Kim, and Kyuho Jason Lee

SSTP: A 13.32 TFLOPS/W End-to-End Simultaneous Speech Translation Processor on Edge Devices

IEEE European Solid-State Electronics Research Conference, Sept. 2026

Bokyoung Seo, Ghangmin Yun, Chaeyoon Kim, Jueun Jung, and Kyuho Jason Lee

HotBa: A Heterogeneous Mamba Accelerator with Δ-Guided Early Rejection for Speculative Decoding

ACM/IEEE International Symposium on Low Power Electronics and Design, Aug. 2026

Ghangmin Yun, Jueun Jung, Bokyoung Seo, Chaeyoon Kim, Junghyun Yoo, and Kyuho Jason Lee

HCNP: A 70.2 TOPS/W Hybrid CIM-NPU Processor with In-Streaming Processing for Energy-Efficient CNN/Transformer Acceleration in HMD

IEEE Symposium on VLSI Technology and Circuits, Jun. 2026

Seungbin Kim^*, Hoichang Jeong^*, Dongwook Kim, Jiwon Kim, and Kyuho Jason Lee (*equal contribution)

A Hardware-Software Co-design of Lightweight Polyp Segmentation Network and Ultra-low-power Processor for Capsule Endoscopy

IEEE International Symposium on Circuits and Systems, May 2026

Ghangmin Yun, Jaekyung Lee, Jiwon Kim, Kyungkeon Chung, Jueun Jung, Bokyoung Seo, Hyejin Lee, Junyoung Park, and Kyuho Jason Lee

A 71.3mJ/frame End-to-End Driving Processor with Flexible Heterogeneous Core Orchestration via Sparsity Reasoning

IEEE International Solid-State Circuits Conference, Feb. 2026

Jueun Jung^*, Sangho Lee^*, Junghyun Yoo, Ghangmin Yun, and Kyuho Jason Lee (*equal contribution)

A 30.7 TOPS/W Sparsity-Aware Analog-Digital Hybrid eDRAM CIM by Effective Row Activation with Simultaneous Multi-Row-Multi-Task Control

IEEE European Solid-State Electronics Research Conference, Sept. 2025

Hoichang Jeong^*, Seungbin Kim^*, Jueun Jung, and Kyuho Jason Lee (*equal contribution)

BEVSA: A Real-Time Bird’s-Eye-View Semantic Segmentation Accelerator for Multi-Camera System

ACM/IEEE Design Automation Conference, Jun. 2025

Sangho Lee, Jueun Jung, Wuyoung Jang, Jihyeon Hwang, and Kyuho Lee

MedBiSeNet: Efficient Bilateral Segmentation Network for Real-Time Medical Image Processing

IEEE International Symposium on Circuits and Systems, May 2025

Jiwon Kim^*, Kyungkeon Chung^*, Ghangmin Yun, Jaekyung Lee, Jueun Jung, Bokyoung Seo, Hyejin Lee, and Kyuho Lee (*equal contribution)

A Real-Time Point Cloud Segmentation System with Optimized Ground Estimation Algorithm and Selective Neural Network

IEEE International Symposium on Circuits and Systems, May 2025

Jihyeon Hwang, Sangho Lee, Jueun Jung, and Kyuho Lee

A 46 TOPS/W In-/Near-Memory Computing Processor for Large Language Model with Extended Sparse Attention

IEEE International Symposium on Circuits and Systems, May 2025

Sunhong An, Hoichang Jeong, Seungbin Kim, Keonhee Park, Dongwook Kim, and Kyuho Lee

A 0.74 uJ/decision and 22.59 TOPS/W Keyword Spotting CIM Processor with Short-Current-Free Multi-level ReRAM and Adaptive-Decision-Level Nonlinear ADC

IEEE International Symposium on Circuits and Systems, May 2025

Dongwook Kim, Hoichang Jeong, Keonhee Park, Seungbin Kim, Sunhong An, and Kyuho Lee

LPNA: A 2.75 ms Low-Latency and 0.40 uJ/point Energy-Efficient LiDAR Point-Cloud Neural Network Accelerator with Cylindrical Bin Partitioning

IEEE Asian Solid-State Circuits Conference, Nov. 2024

Bokyoung Seo, Jueun Jung, Donghyeon Han, and Kyuho Jason Lee

A 273.48 TOPS/W and 1.58 Mb/mm2 Analog-Digital Hybrid CIM Processor with Transpose Ternary-eDRAM Bitcell

IEEE Asian Solid-State Circuits Conference, Nov. 2024

Hoichang Jeong, Seungbin Kim, Jeongmin Shin, Keonhee Park, and Kyuho Jason Lee

A 28-nm 323 TOPS/mm2/b and 2007 TOPS/W/b Ternary Latch Based Sparsity-Aware CIM Macro With Double-Sampling Ternary ADC

IEEE Asian Solid-State Circuits Conference, Nov. 2024

Myoung Kim, Hoichang Jeong, Woo-Seok Kim, Yesong Jeong, Young-Eun Choi, Junyoung Park, Min Woo Ryu, Yong Kyu Lee, Kyuho Jason Lee, and Kyung Rok Kim

DPIM: A 19.36TOPS/W 2T1C eDRAM Transformer-in-Memory Chip with Sparsity-Aware Quantization and Heterogeneous Dense-Sparse Core

IEEE European Solid-State Electronics Research Conference, Sept. 2024

Donghyuk Kim, Jae-Young Kim, Hyunjun Cho, Seungjae Yoo, Sukjin Lee, Sungwoong Yune, Hoichang Jeong, Keonhee Park, Ki-soo Lee, Jongchan Lee, Chanheum Han, Gunmo Koo, Yuli Han, Jaejin Kim, Jaemin Kim, Kyuho Lee, Joo-Hyung Chae, Kunhee Cho, and Joo-Young Kim

A 0.81 mJ/frame, Real-time LiDAR Odometry and Mapping Processor with Memory-efficient KNN and Reconfigurable Architecture

IEEE European Solid-State Electronics Research Conference, Sept. 2024

Seungbin Kim, Jeongmin Shin, Sangho Lee, Jueun Jung, and Kyuho Jason Lee

An Energy-Efficient 3D Point Neural Network Accelerator with Fine-grained LiDAR-SoC Pipeline Structure

ACM/IEEE International Symposium on Low Power Electronics and Design, Aug. 2024

Bokyoung Seo, Jueun Jung, Donghyeon Han, and Kyuho Jason Lee

LSPU: A 20.7ms Low-latency Point Neural Network-based 3D Perception and Semantic LiDAR SLAM System-on-Chip for Autonomous Driving System

IEEE Symposium on High Performance Chips, Aug. 2024

Jueun Jung, Seungbin Kim, Bokyoung Seo, Wuyoung Jang, Sangho Lee, Jeongmin Shin, Donghyeon Han, and Kyuho Lee

A 422.1 Mpixels/J Tile-based 4K Super Resolution Processor with Variable Bit Compression

IEEE International Symposium on Circuits and Systems, May 2024

Wuyoung Jang, Sangho Lee, Jinhoon Jo, Jueun Jung, Donghyeon Han, and Kyuho Lee

A Low-power 3D Point Clouds Matching Processor with 1D-CNN Prediction and CAM-based In-memory kNN Searching

IEEE International Conference on Artificial Intelligence Circuits and Systems, Apr. 2024

Jeongmin Shin, Hoichang Jeong, Seungbin Kim, Keonhee Park, Sangho Lee, and Kyuho Lee

A Low-power and Real-time Semantic LiDAR-SLAM Processor with Point Neural Network Segmentation and kNN Acceleration for Mobile Robots

IEEE Symposium on Low-Power and High-Speed Chips and Systems, Apr. 2024

Jueun Jung, Seungbin Kim, Bokyoung Seo, Wuyoung Jang, Sangho Lee, Jeongmin Shin, Donghyeon Han, and Kyuho Jason Lee

Display-Integrated MIMO Antennas for Gesture-Sensing Radars

IEEE European Conference on Antennas and Propagation, Mar. 2024

Jin Myeong Heo, Hae Soo Eun, Phuong Linh Hoang, Kyuho Lee, Kiseo Kim, Jaeuk Choi, and Gangil Byun

LSPU: A Fully-Integrated Real-Time LiDAR-SLAM SoC with Point-Neural-Network Segmentation and Multi-level kNN Acceleration

IEEE International Solid-State Circuits Conference, Feb. 2024

Jueun Jung, Seungbin Kim, Bokyoung Seo, Wuyoung Jang, Sangho Lee, Jeongmin Shin, Donghyeon Han, and Kyuho Jason Lee

FMCW Radar-Based Hand Gesture Recognition with Novel Time-Spectrograms and Lightweight Convolutional Neural Network for Mobile Device

IEEE International Conference on Electronics, Information, and Communication, Jan. 2024

Seungbin Kim, Jinmyeong Heo, Sangho Lee, Kiseo Kim, Jaeuk Choi, Gangil Byun, and Kyuho Lee

A Mobile 3D-CNN Processor with Hierarchical Sparsity-Aware Computation and Temporal Redundancy-aware Network

IEEE/ACM Asia and South Pacific Design Automation Conference, Jan. 2024

Seungbin Kim and Kyuho Lee

An Energy-Efficient GAN Processor for Mobile Image Translation

IEEE/IEIE International Conference on Consumer Electronics Asia, Oct. 2023

Jinhoon Jo, Sangho Lee, Ghangmin Yun, and Kyuho Lee

Millimeter-Wave Display-Integrated FMCW Radar for Hand Gesture Recognition in Mobile Devices

IEEE International Symposium on Antennas and Propagation, Oct. 2023

Jin Myeong Heo, Seungbin Kim, Kyuho Lee, Kiseo Kim, Jaeuk Choi, and Gangil Byun

A 701.7 TOPS/W Time-Domain Spiking Neural Network Compute-in-Memory Processor with 9T1C Bitcell

IEEE International Midwest Symposium on Circuits and Systems, Aug. 2023

Keonhee Park, Hoichang Jeong, and Kyuho Lee

A Ternary Neural Network Computing-in-Memory Processor with 16T1C Bitcell Architecture

IEEE International Symposium on Circuits and Systems, May 2023

Hoichang Jeong, Keonhee Park, and Kyuho Lee

A Real-Time Sparsity-Aware 3D-CNN Processor for Mobile Hand Gesture Recognition

IEEE International Conference on Artificial Intelligence Circuits and Systems, Jun. 2022

Seungbin Kim, Jueun Jung, Wuyoung Jang, Hoichang Jeong, and Kyuho Lee

An Energy-Efficient CNN Accelerator for Multi-object Real-Time Semantic Segmentation in Autonomous Vehicle

IEEE International Symposium on Circuits and Systems, May 2022

Jueun Jung, Seungbin Kim, Wuyoung Jang, Hoichang Jeong, and Kyuho Lee

Trends of Modern Processors for AI Acceleration

IEEE International SoC Design Conference, Oct. 2021

Kyuho Lee

An Energy-Efficient Deep Neural Network Accelerator Design

IEEE Asilomar Conference on Signals, Systems, and Computers, Nov. 2020

Jueun Jung and Kyuho Lee

17.3 A -8dBc-Worst-Fractional-Spur and -34dB-FoMjitter, 5.5GHz Ring-DCO-Based Fractional-N DPLL Using a Time-Invariant-Probability Modulator, Generating a Nonlinearity-Robust DTC-Control Word

IEEE International Solid-State Circuits Conference, Feb. 2020

Taeho Seong, Yongsun Lee, Chanwoong Hwang, Jeonghyun Lee, Hangi Park, Kyuho Lee, and Jaehyouk Choi

A 9.02mW CNN-Stereo Based Real-Time 3D Hand Gesture Recognition Processor for Smart Mobile Devices

IEEE International Solid-State Circuits Conference, Feb. 2018

Sungpill Choi, Jeonghyun Lee, Kyuho Lee, and Hoi-Jun Yoo

An Ultra-Low-Power and Mixed-Mode Event-Driven Face Detection SoC for Always-on Mobile Applications

IEEE European Solid-State Circuits Conference, Sept. 2017

Changhyeon Kim, Kyeongryeol Bong, Injoon Hong, Kyuho Lee, Sungpill Choi, and Hoi-Jun Yoo

A 590MDE/s Semi-Global Matching Processor with Lossless Data Compression

IEEE International System-on-Chip Conference, Sept. 2017

Kyeongryeol Bong, Kyuho Lee, and Hoi-Jun Yoo

A Real-Time and Energy-Efficient Embedded System for Intelligent ADAS with RNN-Based Deep Risk Prediction using Stereo Camera

Proceedings of International Conference on Computer Vision Systems, Jul. 2017

Kyuho Lee, G. Choe, Kyeongryeol Bong, Changhyeon Kim, In So Kweon, and Hoi-Jun Yoo

A 31.2pJ/disparity/pixel Stereo Matching Processor with Stereo SRAM for Mobile UI Application

IEEE Symposium on VLSI Circuits, Jun. 2017

Jinsu Lee, Dongjoo Shin, Kyuho Lee, and Hoi-Jun Yoo

A 82nW Chaotic-Map True Random Number Generator Based on Sub-Ranging SAR ADC

IEEE European Solid-State Circuits Conference, Sept. 2016

Minseo Kim, Unsoo Ha, Yongsu Lee, Kyuho Lee, and Hoi-Jun Yoo

An Intelligent ADAS Processor with Real-Time Semi-Global Matching and Intention Prediction for 720p Stereo Vision

IEEE Symposium on High Performance Chips, Aug. 2016

Kyuho Lee, Kyeongryeol Bong, Changhyeon Kim, and Hoi-Jun Yoo

An Energy-Efficient Parallel Multi-Core ADAS Processor with Robust Visual Attention and Workload-Prediction DVFS for Real-Time HD Stereo Stream

IEEE Symposium in Low-Power and High-Speed Chips, Apr. 2016

Kyuho Lee, Kyeongryeol Bong, Changhyeon Kim, Junyoung Park, and Hoi-Jun Yoo

A 502GOPS and 0.984mW Dual-mode ADAS SoC with RNN-FIS Engine for Intention Prediction in Automotive Black Box System

IEEE International Solid-State Circuits Conference, Feb. 2016

Kyuho Lee, Kyeongryeol Bong, Changhyeon Kim, Jaeeun Jang, Hyunki Kim, Jihee Lee, K.-R. Lee, G. Kim, and Hoi-Jun Yoo

Intelligent Task Scheduler with High Throughput NoC for Real-Time Mobile Object Recognition SoC

IEEE European Solid-State Circuits Conference, Sept. 2015

Kyuho Lee, Junyoung Park, Injoon Hong, and Hoi-Jun Yoo

A Keypoint-level Parallel Pipelined Object Recognition Processor with Gaze Activation Image Sensor for Mobile Smart Glasses System

IEEE Symposium in Low-Power and High-Speed Chips, Apr. 2015

Injoon Hong, Dongjoo Shin, Youchang Kim, Kyeongryeol Bong, Seongwook Park, Kyuho Lee, and Hoi-Jun Yoo

A 2.71nJ/Pixel 3D-Stacked Gaze-Activated Object Recognition System for Low-power Mobile HMD Applications

IEEE International Solid-State Circuits Conference, Feb. 2015

Injoon Hong, Kyeongryeol Bong, Dongjoo Shin, Seongwook Park, Kyuho Lee, Youchang Kim, and Hoi-Jun Yoo

A Vocabulary Forest-based Object Matching Processor with 2.07M-vec/s Throughput and 13.3nJ/vector Energy in Full-HD Resolution

IEEE Symposium on VLSI Circuits, Jun. 2014

Kyuho Lee, Gyeonghoon Kim, Junyoung Park, and Hoi-Jun Yoo

A Task-level Pipelined Many-SIMD Augmented Reality Processor with Congestion-aware Network-on-Chip Scheduler

IEEE Symposium in Low-Power and High-Speed Chips, Apr. 2014

Gyeonghoon Kim, Seongwook Park, Kyuho Lee, Youchang Kim, Injoon Hong, Kyeongryeol Bong, Dongjoo Shin, Sungpill Choi, Junyoung Park, and Hoi-Jun Yoo

A 1.22 TOPS and 1.52mW/MHz Augmented Reality Multi-Core Processor with Neural Network NoC for HMD Applications

IEEE International Solid-State Circuits Conference, Feb. 2014

Gyeonghoon Kim, Youchang Kim, Kyuho Lee, Seongwook Park, Injoon Hong, Kyeongryeol Bong, Dongjoo Shin, Sungpill Choi, J. Oh, and Hoi-Jun Yoo

A Multi-Modal and Tunable Radial-Basis-Function Circuit with Supply and Temperature Compensation

IEEE International Symposium on Circuits and Systems, May 2013

Kyuho Lee, Junyoung Park, Gyeonghoon Kim, Injoon Hong, and Hoi-Jun Yoo

A Multi-granularity Parallelism Object Recognition Processor with Content-aware Fine-grained Task Scheduling

IEEE Symposium in Low-Power and High-Speed Chips, Apr. 2013

Junyoung Park, Injoon Hong, Gyeonghoon Kim, Youchang Kim, Kyuho Lee, Seongwook Park, Kyeongryeol Bong, and Hoi-Jun Yoo

A 646 GOPS/W Multi-classifier Many-core Processor with Cortex-like Architecture for Super-Resolution Recognition

IEEE International Solid-State Circuits Conference, Feb. 2013

Junyoung Park, Injoon Hong, Gyeonghoon Kim, Youchang Kim, Kyuho Lee, Seongwook Park, Kyeongryeol Bong, and Hoi-Jun Yoo

의료 영상 분할을 위한 양방향 경로 네트워크의 효율성 분석

2025년도 대한전자공학회 하계종합학술대회, Jun. 2025

김지원, 정경건, 윤강민, 이재경, 이혜진, 이규호

Additive Powers-of-Two 비선형 양자화 ADC 및 ReRAM Bitcell을 활용한 에너지-효율적 CIM 아키텍처

2025년도 대한전자공학회 하계종합학술대회, Jun. 2025

김동욱, 이규호

High-Density and PVT-Robust Current-Mode 2T1C eDRAM Processing-In-Memory Architecture

제 7회 반도체공학회 동계종합학술대회 및 반도체미래기술워크숍, Jan. 2025

서훈석, 이규호

최적화된 지면 추정 알고리즘과 선택적 신경망을 활용한 실시간 포인트 클라우드 분할 시스템

제 7회 반도체공학회 동계종합학술대회 및 반도체미래기술워크숍, Jan. 2025

황지현, 이규호

희소 어텐션을 적용한 대규모 언어 모델을 위한 Computing-in-Memory 프로세서

제 7회 반도체공학회 동계종합학술대회 및 반도체미래기술워크숍, Jan. 2025

안선홍, 이규호

7.98 fJ/bit APoT Quantized ADC for Energy efficient Neural Network Acceleration in Computing-in-Memory

제 7회 반도체공학회 동계종합학술대회 및 반도체미래기술워크숍, Jan. 2025

김동욱, 이규호

조감도 다중카메라 의미론적 분할을 위한 하이브리드 합성곱 코어

제 7회 반도체공학회 동계종합학술대회 및 반도체미래기술워크숍, Jan. 2025

이상호, 이규호

에너지 효율적인 통합 CNN 아키텍처

제 6회 반도체공학회 종합학술대회 및 정기총회, Dec. 2023

이상호, 정주은, 이규호

모바일 자율주행로봇 시스템을 위한 3D Point Cloud k-Nearest Neighbor 가속기 설계

제 6회 반도체공학회 종합학술대회 및 정기총회, Dec. 2023

신정민, 이규호

모바일 이미지 변환을 위한 Generative Adversarial Network 가속기

제 6회 반도체공학회 종합학술대회 및 정기총회, Dec. 2023

조진훈, 이규호

모바일 자율주행로봇 시스템을 위한 SLAM 아키텍처

제 6회 반도체공학회 종합학술대회 및 정기총회, Dec. 2023

정주은, 이규호

UHD Super Resolution을 위한 하드웨어 최적화 가변 bit 데이터 압축기법

제 6회 반도체공학회 종합학술대회 및 정기총회, Dec. 2023

장우영, 이규호

실시간 포인트 클라우드 분할 네트워크 시스템 설계

제 6회 반도체공학회 종합학술대회 및 정기총회, Dec. 2023

서보경, 이규호

An Energy-Efficient GAN Processor for Mobile Image Translation

제 23회 RF/아날로그 회로 워크샵, Sept. 2023

조진훈, 이상호, 윤강민, 이규호

Compute-in-Memory와 Time-Domain 연산을 활용한 Spiking Neural Network 가속기

2023년도 대한전자공학회 하계종합학술대회, Jun. 2023

박건희, 이규호

마스크 탐지를 위한 저지연 FPGA 기반 CNN 가속기

제 5회 반도체공학회 종합학술대회 및 정기총회, Dec. 2022

장우영, 조진훈, 홍은솜, 이규호

Ternary Neural Network 가속을 위한 Ternary Processing-In-Memory Processor

제 5회 반도체공학회 종합학술대회 및 정기총회, Dec. 2022

정회창, 박건희, 이규호

Real-time Lightweight 3D-CNN and Sparsity-Aware Processor for Mobile Hand Gesture Recognition

제 5회 반도체공학회 종합학술대회 및 정기총회, Dec. 2022

김승빈, 이규호

임베디드 시스템을 위한 초경량 분할네트워크 설계

제 5회 반도체공학회 종합학술대회 및 정기총회, Dec. 2022

정주은, 이규호

Bitcell 기반 Ternary MAC Processing-In-Memory

2022년도 반도체공학회 하계학술대회, Jul. 2022

정회창, 박건희, 이규호

모바일 환경에서의 실시간 손동작 인식을 위한 경량화된 3D-CNN

대한전자공학회 2022년도 하계종합학술대회, Jun. 2022

김승빈, 이규호

깊이 정보를 활용한 자율주행을 위한 실시간 의미론적 영상 분할 네트워크

대한전자공학회 2022년도 하계종합학술대회, Jun. 2022

정주은, 이규호