Publications

Journal Papers

1. Suhyeon Lee, Yu Chan Yun, Seung Min Heu, Kyu Hyun Lee, Seung Joon Lee, Kyungmin Lee, Jiin Moon, Hyuna Lim, Taeun Jang, Minkyu Song, and Soo Youn Kim, "The Design of a Computer Vision Sensor Based on a Low-Power Edge Detection Circuit"  in Sensors, vol.25,  May 2025. 

2. Hohyeon Lee, Kyungmin Lee, and Soo Youn Kim, "Input-Signal-Based Power-Gated Single-Slope ADC for Low-Power CMOS Image Sensors" in IDEC JICAS, vol 11, No.2, Apr. 2025.

3. Hyun Seon Choo, Da-Hyeon Youn, Hyunggyu Choi, Gi Yeol Kim, and Soo Youn Kim, "The Design of a Low-Noise CMOS Image Sensor Using a Hybrid Single-Slope Analog-to-Digital Converter"  in Sensors, vol.24,  Dec. 2024. 

4. M. Jin, K. Park and S. Y. Kim, "A 4.56 Gbps/Lane MIPI C-PHY Transmitter With Boosting Pre-Driver," in IEEE Access, vol. 12, pp. 128993-128999, 2024, doi: 10.1109/ACCESS.2024.  

5. M. Jin et al., "Effect of X-Ray Irradiation on Colloidal Quantum Dot SWIR CMOS Image Sensor," in IEEE Transactions on Electron Devices, vol. 71, no. 1, pp. 613-618, Jan. 2024, doi: 10.1109/TED.2023.3329452. 

6. M. Jin et al., "Thin-Film Photogate Pixel With Fixed Photodiode Bias for Near-Infrared Imaging," in IEEE Electron Device Letters, vol. 44, no. 12, pp. 2007-2010, Dec. 2023, doi: 10.1109/LED.2023.3325830.

7. Seung Ju Youn, Su Yeon Yun, Hoyeon Lee, Kwang Jin Park, Jiwon Kim, and Soo Youn Kim, "Design of Low-Noise CMOS Image Sensor Using a Hybrid-Correlated Multiple Sampling Technique" in Sensors vol.23, no. 23, Dec. 2023. https://doi.org/10.3390/s23239551. 

8. Bohyeok Jeong, Jaewhan Lee, Suhyun Lee, Soyoun Lee, Youngdoo Son, and Soo Youn Kim, "A 240 FPS In-column Binarized Neural Network Processing in CMOS Image Sensors," in IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), vol.70, no.10, Oct. 2023.

9. B. Jeong, J. Lee, J. Choi, M. Song, Y. Son, and S. Y. Kim, "A 0.57 mW@1 FPS In-Column Analog CNN Processor Integrated Into CMOS Image Sensor," in IEEE Access, vol. 11, pp. 61082-61090, 2023, doi: 10.1109/ACCESS.2023.3286544. 

10. Jae Hee Cho, Hyun Seon Choo, Suhyeon Lee, Seung Ju Yoon, Gyu Won Kam, and Soo Youn Kim, "Design of a CMOS Image Sensor with Bi-Directional Gamma-Corrected Digital-Correlated Double Sampling"  in Sensors, vol.23,  Jan. 2023. 

11. Jun Young Park, Minhyun Jin, Soo Youn Kim, Minkyu Song, "Design of a Dual Change-Sensing 24T Flip-Flop in 65 nm CMOS Technology for Ultra Low-Power System Chips" in Electronics, vo.11, no.6, Mar. 2022.

12. Soyeon Lee, Bohyeok Jeong, Keunyeol Park, Minkyu Song, and Soo Youn Kim, " On-CMOS Image Sensor Processing for Lane Detection"  in Sensors, vol.21, no.11, May 2021.

13. Hyejin Im, Keunyeol Park, Jae Hee Cho, Hyun Seon Choo, and Soo Youn Kim, "Design of a Pseudo-Wide Dynamic Range CMOS Image Sensor by Using the Bidirectional Gamma Curvature Technique" in IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), vol.68, no.5, May 2021.

14. Minhyun Jin, Yong Ju Lee, and Soo Youn Kim, "Reduction of Local Thermal Effects in FinFETs with a Heat-path Design Methodology" in IEEE Electron Device Letters (EDL), vol.42, no.4, Apr. 2021.

15. Seonwoo Yeom, Minhyun Jin, Donggun Lee, Kyujin Kim, and Soo Youn Kim, "A Low-Luminance Compensation Current Driver for AMOLED Displays" in Journal of Semiconductor Technology and Science (JSTS), vol.21, no.1, page 68-72, Feb. 2021.

16. Keunyeol Park, Seonwoo Yeom, and Soo Youn Kim, "Ultra-low Power CMOS Image Sensor with Two-step Logical Shift Algorithm-based Correlated Double Sampling Scheme " in IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I), vol.67, page 3718-3727, Nov. 2020.

17. Minhyun Jin, Hyeonseob Noh, Minkyu Song, and Soo Youn Kim, "Design of an Edge-detection CMOS Image Sensor with Built-in Mask Circuits " in Sensors, vol.20, no.13, page 3649, June 2020.

18. Jaihyuk Choi, Sungjae Lee, Youngdoo Son, and  Soo Youn Kim, "Design of an Always-on Image Sensor Using an Analog Lightweight Convolutional Neural Network" in Sensors, vol.20, no.11, May 2020.

19. Keunyeol Park and Soo Youn Kim, “Low-power column counter with a logical-shift algorithm for CMOS image sensors,” in Electronics Letters, vol.56, page 232-234, Mar. 2020. 

20.  Minhyun Jin, Yong Ju Lee, Minkyu Song, and Soo Youn Kim, “Development of a Thermally Aware-Compact Model with an Optimized Heat Sink for FinFETs,” in IEEE Transactions on Nanotechnology (Tnano), vol.18, page 51-54, Jan. 2019. 

21. Keunyeol Park, Minkyu Song, and Soo Youn Kim, “Design of Single-bit CMOS Image Sensor for Iris Recognition Applications,” in Sensors, vol.18, no.2, page 669-679, Feb. 2018.

22. Chih-Hsiang Ho, Dung-Sheng Tsai, Chao Lu, Soo Youn Kim, Selin Mungan, Shih-Guo Yang, Yuanzhi Zhang, and Jr-Hau He, “Device Process and Circuit Application Interaction for Harsh Electronics: Hf–In–Zn–O Thin Film Transistors as an Example,” in IEEE Electron Device Letter (EDL), vol.38, no.8, page 1039-1042, Aug. 2017. 

23.  Daehyeok Kim, Minkyu Song, Byeongseong Choe, and Soo Youn Kim, “A Multi-Resolution Mode CMOS Image Sensor with a Novel Two-Step Single-Slope ADC for Intelligent Surveillance Systems,” in Sensors, vol.17, no.7, page 1497-1496, Jun. 2017.

24. Chih-Hsiang Ho, Soo Youn Kim*, Georgios Panagopoulos, and Kaushik Roy, “Statistical TDDB Degradation in Memory Circuits: From Cells to Arrays,” in IEEE Transactions on Electron Devices (TED), vol.63, no.6, page 2384-2390, Jan. 2016.

25.  (Invited paper) Chih-Hsiang Ho, Soo Youn Kim*, and Kaushik Roy, “Ultra-Thin Dielectric Breakdown in Devices and Circuits: A Brief Review,” in Microelectronics Reliability (MR), vol. 55, no. 2, page 308-317, Feb. 2015.

26. Georgios Panagopoulos, Chih-Hsiang Ho, Soo Youn Kim*, and Kaushik Roy, “Physics-based Compact Modeling of Successive Breakdown in Ultra-thin Oxides,” in IEEE Transactions on Nanotechnology (Tnano), vol.14, no.1, page 7-9, Jan. 2015.

27.  Soo Youn Kim and Kaushik Roy, “Low-Cost Low-Noise Amplifier in Poly-Si TFT Technology,” in IEEE Journal of Display Technology (JDT), vol.10, no.12, page 1110-1114, Dec. 2014.

28. Chih-Hsiang Ho, M. Khaled Hassan, Soo Youn Kim, and Kaushik Roy, “Analysis of Stability Degradation of SRAMs Using a Physics-based PBTI Model,” in IEEE Electron Device Letter (EDL), vol.35, no.9, page 951-953, Sep. 2014. 

29.  Soo Youn Kim, Chih-Hsiang Ho, and Kaushik Roy, “Statistical SBD Modeling and Characterization and Its Impact on SRAM Cells,” in IEEE Transactions on Electron Devices (TED), vol.61, no.1, page 54-59, Jan. 2014.

30.  Soo Youn Kim, Wing-Fai Loke, Byunghoo Jung, and Kaushik Roy, “High-Frequency Modeling of Poly-Si Thin Film Transistors for Low-Cost RF Applications,” in IEEE Transactions on Electron Devices (TED), vol.59, no.9, page 2296-2301, Sep. 2012. 

31. Soo Youn Kim, Selin Baytok, and Kaushik Roy, “Thin BOX Poly-Si Thin-Film Transistors for CMOS-compatible Analog operations,” in IEEE Transactions on Electron Devices (TED), vol.58, no.6, page 1687-1695, June. 2011.

Conference Proceedings

• Seung Joon Lee, Minkyu Song, and Soo Youn Kim, "Delta-Rule-Based Weight Calibration for Low-Power SNN System " in IEEE International Symposium on Circuits and Systems (ISCAS), London, UK, May  2025.

• Kyungmin Lee, Minkyu Song, and Soo Youn Kim, "Two-Step ADC with Self-Successive Doubling Algorithm for High-Speed CIS " in IEEE International Symposium on Circuits and Systems (ISCAS), London, UK, May  2025.

• Kyu Hyun Lee, Minkyu Song, and Soo Youn Kim, "RS-CIM: Area-Efficient Compute-in-Memory with R-DAC & SAR Hybrid ADC " in IEEE International Symposium on Circuits and Systems (ISCAS), London, UK, May  2025.

• Suyeon Yun, Minkyu Song, and Soo Youn Kim, "Low-Noise Image Sensors with Shifted Pseudo-Correlated Multiple Sampling Method" in IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, May  2024.

• Da-Hyeon Youn, Gyu Won Kam, Minkyu Song, and Soo Youn Kim, "Two-Step Classification Neuron Circuits for Low-Power and High-Integration SNN Systems" in IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, May  2024. 

• Giyeol Kim, Minkyu Song, and Soo Youn Kim, "Compute-In-Memory with SAR ADC & 2T1C DRAM for MAC Operations" in 2nd In-Memory Architectures and Computing Applications Workshop (iMACAW) @ DAC, San Francisco USA, Jul. 2023.

• Hohyeon Lee, Minkyu Song, and Soo Youn Kim, "Low-Power Single-Slope ADC with a Replica Comparator for Always-on CIS Applications" in 21st IEEE NEWCAS, Edinburgh Scotland, Jun. 2023.

• Gyu Won Kam, Bohyeok Jeong, Da-Hyeon Youn, Gi Yeol Kim, Su Yeon Yun, Hyunggy Choi, and Soo Youn Kim, "Spike-Predictable Neuron Circuits for Low-Power Spiking Neural Networks (Working-in-Progress Poster)" in 60th Design Automation Conference (DAC), San Francisco USA, Jul. 2023.

• Gyu Won Kam, Bohyeok Jeong, Da-Hyeon Youn, Minhyun Jin, and Soo Youn Kim, "Spike-Predictable Neuron Circuits with Adaptive Threshold Value for Low-Power SNN Systems" in IEEE International Symposium on Circuits and Systems (ISCAS), Monterey USA, May  2023.

• 윤승주,송민규,김수연, "Dual-Conversion gain ADC를 적용한 저잡음 CMOS 이미지 센서 설계" in 한국반도체학술대회, Feb. 2023.

• 감규원,송민규,김수연, "Low-power Neuron Comparator for Spiking Neural Network", in 한국반도체학술대회, Feb. 2023.

• 이수현,송민규,김수연,"저전력 온 디바이스 얼굴인식 프로세싱을 위한 이진화된 컨볼루션 신경망 기반의 컴퓨터 비젼 센서 설계", in 반도체공학회 하계학술대회, Jul. 2022.

• Keunyeol Park, Hohyun Lee, and Soo Youn Kim, "Zero-crossing-prediction-Based Single-Slope ADC with a Constant Charge Bias Amplifier for Low- Power Image Sensors "in IEEE International Symposium on Circuits and Systems (ISCAS), May  2022.

• (Invited) 김수연 "Pseudo-High Dynamic Range CMOS Image Sensor," in 한국반도체학술대회, Jan. 2022.

• 주현선,송민규,김수연, "Design of A Low-Noise and High Dynamic-Range CMOS Image Sensor," in 한국반도체학술대회, Jan. 2022.

• 정보혁, 주현선, 김수연, "윤곽선 검출을 위한 저전력 마스크 회로 설계," in 하계종합학술대회, Jul. 2021.

• (Best Paper Award - Runner-Up at ISCAS 2021) Hyejin Im, Keunyeol Park, Jae Hee Cho, Hyun Seon Choo, and Soo Youn Kim, "Design of a Pseudo-Wide Dynamic Range CMOS Image Sensor by Using the Bidirectional Gamma Curvature Technique" in IEEE International Symposium on Circuits and Systems (ISCAS), May  2021.

• 이소연,송민규,김수연, "Design of CMOS Image Sensor for Edge Detection," in 한국반도체학술대회, Jan. 2021.

• Keunyeol Park, Seonwoo Yeom, and Soo Youn Kim, "Ultra-low Power CMOS Image Sensor with Two-step Logical Shift Algorithm-based Correlated Double Sampling in IEEE International Symposium on Integrated Circuits and Systems (ISICAS), Aug. 2020.

• 박준영, 진민현, 이소연, 송민규, 김수연, "듀얼 데이터 감지 기법을 이용한 초 저전력 플립플롭의 설계," in 하계종합학술대회, Aug. 2020.

• 조재희, 박근열, 송민규, 김수연, "로그-지수 복합카운터를 이용한 넓은 동적영역을 갖는 이미지센서의 설계," in 하계종합학술대회, Aug. 2020.

• 최재혁,송민규,김수연, "Design of an Always-on Computer Vision Sensor for Face Recognition, " in 한국반도체학술대회, Feb. 2020.

• 염선우,송민규,김수연, "A Low-luminance Compensation Current Driver For AMOLED Displays," in 한국반도체학술대회, Feb. 2020.

• Chih-Hsiang Ho, Soo Youn Kim, Georgios Panagopoulos, Yusung Kim, Dongsoo Lee, and Kaushik Roy, “A Physics-Based Statistical Model for Reliability of STT-MRAM Considering Oxide Variability,” in Proc. of Intl. Conf. on Simulation of Semiconductor Processes and Devices (SISPAD), Sep. 2013. 

• Chih-Hsiang Ho, Georgios Panagopoulos, Soo Youn Kim, Yusung Kim, Dongsoo Lee, and Kaushik Roy, “A Physical Model to Predict STT-MRAM Performance Degradation Induced by TDDB,” in Proc. of Device Research Conference (DRC), June. 2013. 

•  Soo Youn Kim, Georgios Panagopoulos, Chih-Hsiang Ho, Mehdi Katoozi, Eathan Cannon, and Kaushik Roy, “A compact SPICE model for statistical post-breakdown gate current increase due to TDDB,” in Proc. of Intl. Conf. on International Reliability Physics Symposium (IRPS), Apr. 2013. 

• Soo Youn Kim, Wing-Fai Loke, Sang Phill Park, Byunghoo Jung, and Kaushik Roy, “Poly-Si Thin Film Transistors: Opportunities for low-cost RF applications,” in Proc. of Intl. Conf. on Integrated Circuit Design and Technology (ICICDT), May 2012.

• Sang Phill Park, Soo Youn Kim, Dongsoo Lee, Jae-joon Kim, William Griffin, and Kaushik Roy, “Column-Selection-Enabled 8T SRAM Array with ~1R/1W Multi-Port Operation for DVFS-Enabled Processors,” in Proc. of IEEE Intl. Symp. on Low Power Electronics and Design (ISLPED), Aug. 2011.

• Soo Youn Kim, Selin Baytok, and Kaushik Roy, “Scaled LTPS TFTs for Low-cost Low-Power Applications,” in Proc. of IEEE Intl. Symp. on Quality Electronic Design (ISQED), Mar. 2011. 

• S. Kim and M. Song, “Design of a Novel Logarithmic Amplifier with a Two-Step Linear Limiting Technique”, Proc. of IEEE 2002 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD 2002), pp.17-20, July 2002.

US Patents

1. 김수연, 김기열, "Booth algorithm 기반의 곱셈기를 적용한 2T0C DRAM based Compute-in-Memory",PCT/KR2024/012464, Aug. 21, 2024, PCT 출원완료

2. Keunyeol Park and Soo Youn Kim, "Comparison circuit, and analog-to-digital converter and image sensor including the same" CN 202310095269, Jan 31, 2023.

3. Keunyeol Park and Soo Youn Kim, "Comparison circuit, and analog-to-digital converter and image sensor including the same" US 12,096,149, B2, Sep. 17, 2024.

4. Govil Alok, Soo Youn Kim, Evgeni Gousev, “Event based computer vision computation” US 10728450 B2, Jul 28, 2020. 

5. Zhengming Fu, Soo Youn Kim, Jan Christian Hubner, “Image sensors with dynamic pixel binning”, US 10313610 B2, Jun 4, 2019. 

6. Zhengming Fu, Soo Youn Kim, Jan Christian Hubner, “Image sensors having pixel-binning with configurable shared floating diffusion”, US 10313609 B2, Jun 4, 2019.  

7. Govil Alok, Soo Youn Kim, Evgeni Gousev, “Hardware acceleration of computer vision feature detection” US 9923004 B2, Mar 20, 2018.

8. Evgeni Gousev, Govil Alok, Soo Youn Kim, Nelson Rasquinha, Venkat Rangan, “Feature computation in a sensor element array” US 9838635 B2, Dec 5, 2017.  

9. Govil Alok, Soo Youn Kim, Evgeni Gousev, “Configurable hardware for computing computer vision features” US 9762834 B2, Sep 12, 2017. 

10. Yong Lim, Kyung Min. Koh, Soo Youn Kim, “Pseudo-digital average sub sampling method and apparatus”, US 8754956 B2, Jun 17, 2014.

11. Soo-Youn Kim, Kyung-Min Shin, “Correlated double sampling unit in image sensor with attenuation of parasitic voltage loss”, US 8159583 B2, Apr 17, 2012.

12. Yong Lim, Kyung Min. Koh, Soo Youn Kim, “Pseudo-digital average sub-sampling method and apparatus”, US 8149289 B2, Apr 3, 2012. 

KR Patents

1. 김수연,최형규,"단일 비트라인 7T-SRAM",10-2025-0014413,Feb.05,2024, 출원완료

2. 김수연, 김기열, "부스 알고리즘 기반의 곱셈기를 이용한 CIM 장치 및 방법",10-2024-0056146, Apr. 26, 2024, 출원완료

3. 김수연, 송민규, 윤수연, "자동 분할 상관 다중 샘플링 기법을 이용한 저잡음 CMOS 이미지 센서", 10-2024-0046285, Apr. 04, 2024,출원완료.

4. 김수연, 이호현, "부분 다중 샘플링 기법을 적용한 CMOS 이미지 센서용 저 잡음 싱글 슬로프 아날로그 디지털 변환기 및 이를 이용한 아날로그 디지털 변환 방법",10-2024-0036480, Mar. 15, 2024, 출원완료

5. 김수연, 박광진, "선형성을 가지는 디지털 아날로그 변환기",10-2781250, Mar. 10, 2025.

6. 김수연, 송민규, 최형규, "비교기 오프셋 오류를 수정하는 고해상도 파이프라인 아날로그 디지털 변환기", 10-2837041, Jul. 17, 2025.

7. 김수연, 감규원,"저전력 동작을 위한 뉴런 회로 및 이의 동작 방법" 10-2842016, Jul. 30, 2025.

8. 김수연, 김지원, "저전력, 고속 동작을 위한 SAR 로직회로", 10-2024-011365,011366,011367,Aug. 20, 2024, 출원완료.

9. 김수연, 송민규, 윤승주, "CMOS 이미지 센서 및 그 구동방법" 10-2023-0056007",Apr. 28, 2023,출원완료.

10. 김수연,이호현, " 전류 조절 기반 증폭기 구조의 비교기를 갖는 이미지 센서" 10-2023-0056006,출원완료.

11. 김수연, 송민규, 정보혁, “비교기 기반 로우 버퍼 회로를 이용한 저전력 마스크 회로 ” 10-2722757,Oct.23, 2024. 

12. 김수연, 박근열 "비교기 회로, 및 이를 포함하는 아날로그-디지털 변환기 및 이미지 센서" 10-2022-0065320, May 27,2022, 출원완료.

13. 김수연,박근열, "저전력 아날로그-디지털 컨버터용 비교기" 10-2409074, Jun. 10, 2022.

14. 이동건, 김수연, 염선우 "표시장치와 그 구동방법" 10-2691157, Aug. 2, 2024. 

15. 김수연, 최재혁 “스위치-캐패시터 적분기를 이용한 컨볼루션 연산기술” 10-2301728, Sep. 7, 2021. 

16. 김수연, 최재혁, 송민규 “스위치-커패시터를 이용한 이미지마스크 처리 회로 및 방법 ” 10-2230234, Mar. 15, 2021. 

17. 김수연, 박준영, 진민현 “저전력 플립플롭” 10-2218879, Feb 17, 2021. 

18. 김수연, 박근열 “논리 시프트 카운터를 이용한 아날로그-디지털 컨버터 ” 10-2170958, Oct 22 2020. 

19. 김수연, 최재혁, 송민규, 박근열, “에지검출회로 및 방법 ” 10-2160352, Sep 21, 2020. 

20. 김수연, 김윤정,  “저전력 플립플롭” 10-2024470, Sep 17, 2019. 

Awards

1. 허승민, 김수연 (현장우수포스터상- 한국반도체학술대회), Feb. 14, 2025.

2. 최형규, 송민규, 김수연 (Best Paper Award- 반도체공학회  하계학술대회), Jul. 16, 2024.

3. 윤다현, 김수연 (현장우수포스터상- 한국반도체학술대회), Feb. 28, 2024.

4. 김지원, 송민규, 김수연 (Best Paper Award- 반도체공학회  하계학술대회), Jul. 18, 2023.

5. 이호현,박광진,김지원,"인터널 노드 변환을 최소화시킨 저전력 플립플롭 회로" (Best Paper Award- 반도체공학회  하계학술대회), Jul. 12, 2022.

6. 이수현,이소연,감규원,"아날로그 합성곱 신경망을 이용한 얼굴 인식용 컴퓨터 비젼 센서 설계" (Best Paper Award- 반도체공학회  하계학술대회), Jul. 13, 2021.

7. Hyejin Im, Keunyeol Park, Jae Hee Cho, Hyun Seon Choo, and Soo Youn Kim, "Design of a Pseudo-Wide Dynamic Range CMOS Image Sensor by Using the Bidirectional Gamma Curvature Technique"  (Best Paper Award - Runner Up at ISCAS 2021), May  2021.

8. 이수현, "온-디바이스 얼굴인식 프로세싱을 위한 이진화된 컨볼루션 신경망 기반의 컴퓨터 비전 센서 설계" (사업선정-2021 여대학(원)생 공학 연구팀제 지원사업 심화과정).

9. 박근열, 이소연, "Low-power CMOS Image Sensor with Two-step Logical Shift Counter" (정보통신기획평가원장상-ICT 콜로키움 2020 창의자율과제), Dec. 15, 2020.

10. 이소연, "뉴로모픽 인공지능을 탑재한 얼굴 인식을 위한 컴퓨터 비젼 이미지센서 설계" (사업선정-2020 여대학(원)생 공학 연구팀제 지원사업 심화과정).

11. 진민현, "열방출 레이아웃 기법을 이용한 저전력 FinFET Standard Cell 설계" (Best Poster Award- 반도체공학회 학술대회), Dec. 18, 2019.

12. 김윤정, "비선형 카운터를 이용한 CMOS 이미지 센서"  (우수상-2017여대학(원)생 공학 연구팀제 지원사업 심화과정), Dec.18,2017.