Chul Lee
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Research
Projects

Submitted/In preparation

  1. Thuy Thi Pham, Truong Thanh Nhat Mai, and Chul Lee, “Dual-channel prior-based deep unfolding with contrastive learning for underwater image enhancement,” submitted, Nov. 2024.

  2. Thuy Thi Pham, Truong Thanh Nhat Mai, Hansung Yu, and Chul Lee, “Physics-driven prior learning-based deep unrolling for underwater image enhancement,” submitted, Sep. 2024.

  3. An Gia Vien and Chul Lee, “Transformer-guided exposure-aware fusion for single-shot HDR imaging,” submitted, Jul. 2024.

  4. Sanga Park, Byeonghui Jeong, Chul Lee, Young-Sik Jeong, “Evaluation of engagement in online learning: Insights based on human factor analysis,” submitted, Jul. 2024.

Book Chapters

  1. Raja Bala, Graham Finlayson, and Chul Lee, “Computational Color Imaging,” in Handbook of Convex Optimization Methods in Imaging Science, Ed. Vishal Monga, Springer, pp. 43–70, 2017.

Journal Papers

  1. Jaemin Park, An Gia Vien, Thuy Thi Pham, Hanul Kim, and Chul Lee, “Image enhancement based on histogram-guided multiple transformation function estimation,” accepted for publication in IEEE Transactions on Consumer Electronics, Oct. 2024. [Project Page]

  2. Truong Thanh Nhat Mai, Edmund Y. Lam, and Chul Lee, “Attention-guided low-rank tensor completion,” IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 46, no. 12, pp. 9818–9833, Dec. 2024. [Supplementary material] [Project Page]

  3. Truong Thanh Nhat Mai, Edmund Y. Lam, and Chul Lee, “Deep unfolding tensor rank minimization with generalized detail injection for pansharpening,” IEEE Transactions on Geoscience and Remote Sensing, vol. 62, May 2024, Art. no. 5405218. [Project Page]

  4. Seonghyun Park, An Gia Vien, and Chul Lee, “Cross-modal transformers for infrared and visible image fusion,” IEEE Transactions on Circuits and Systems for Video Technology, vol. 34, no. 2, pp. 770–785, Feb. 2024. [Project Page]

  5. An Gia Vien and Chul Lee, “Learned kernel-based interpolation for efficient RGBW remosaicing,” IEEE Access, vol. 11, pp. 139860–139871, Dec. 2023. [Project Page]

  6. Jaemin Park, An Gia Vien, Minhee Cha, Thuy Thi Pham, Hanul Kim, and Chul Lee, “Multiple transformation function estimation for image enhancement,” Journal of Visual Communication and Image Representation, vol. 95, Article No. 103863, Sep. 2023. [Project Page]

  7. Duong Hai Nguyen, Se-Ho Lee, and Chul Lee, “Multiscale coarse-to-fine guided screenshot demoiréing,” IEEE Signal Processing Letters, vol. 30, pp. 898–902, 2023. [Project Page]

  8. Seonghyun Park and Chul Lee, “Multiscale progressive fusion of infrared and visible images,” IEEE Access, vol. 10, pp. 126117–126132, Dec. 2022. [Project Page]

  9. Le Thi Hue Dao, Truong Thanh Nhat Mai, Wook Hong, Sanghyun Park, Hokwon Kim, Joon Goo Lee, Min-Seok Kim, and Chul Lee, “Orientation prediction for VR and AR devices using inertial sensors based on Kalman-like error compensation,” IEEE Access, vol. 10, pp. 114306–114317, Nov. 2022. [Project Page]

  10. Thuong Van Nguyen, An Gia Vien, and Chul Lee, “Real-time image and video dehazing based on multiscale guided filtering,” Multimedia Tools and Applications, vol. 81, no. 25, pp. 36567–36584, Oct. 2022. [Project Page] [SharedIt]

  11. Truong Thanh Nhat Mai, Edmund Y. Lam, and Chul Lee, “Deep unrolled low-rank tensor completion for high dynamic range imaging,” IEEE Transactions on Image Processing, vol. 31, pp. 5774–5787, Sep. 2022. [Project Page]

  12. Hyunkook Park, An Gia Vien, Hanul Kim, Yeong Jun Koh, and Chul Lee, “Unpaired screen-shot image demoiréing with cyclic moiré learning,” IEEE Access, vol. 10, pp. 16254–16268, Feb. 2022. [Project Page]

  13. Jinyoung Jun, Jae-Han Lee, Chul Lee, and Chang-Su Kim, “Monocular human depth estimation via pose estimation,” IEEE Access, vol. 9, pp. 151444–151457, Nov. 2021.

  14. Nam Hoang Nguyen, Tu Van Vo, and Chul Lee, “Human visual system model-based optimized tone mapping of high dynamic range images,” IEEE Access, vol. 9, pp. 127343–127355, Sep. 2021.

  15. Inho Jeong and Chul Lee, “An optimization-based approach to gamma correction parameter estimation for low-light image enhancement,” Multimedia Tools and Applications, vol. 80, no. 12, pp. 18027–18042, May 2021. [Project Page] [SharedIt]

  16. An Gia Vien and Chul Lee, “Single-shot high dynamic range imaging via multiscale convolutional neural network,” IEEE Access, vol. 9, pp. 70369–70381, May 2021. [Project Page]

  17. Thuong Van Nguyen, Truong Thanh Nhat Mai, and Chul Lee, “Single maritime image defogging based on illumination decomposition using texture and structure priors,” IEEE Access, vol. 9, pp. 34590–34603, Feb. 2021. [Project Page]

  18. Tu Van Vo and Chul Lee, “High dynamic range video synthesis using superpixel-based illuminance-invariant motion estimation,” IEEE Access, vol. 8, pp. 24576–24587, Jan. 2020.

  19. Jun-Tae Lee, Chul Lee, and Chang-Su Kim, “Property-specific aesthetic assessment with unsupervised aesthetic property discovery,” IEEE Access, vol. 7, pp. 114349–114362, Aug. 2019.

  20. Zhenhua Zhou, Edmund Y. Lam, and Chul Lee, “Nonlocal means filtering based speckle removal utilizing the maximum a posteriori estimation and the total variation image prior,” IEEE Access, vol. 7, pp. 99231–99243, Aug. 2019.

  21. Jun-Tae Lee, Han-Ul Kim, Chul Lee, and Chang-Su Kim, “Photographic composition classification and dominant geometric element detection for outdoor scenes,” Journal of Visual Communication and Image Representation, vol. 55, pp. 91–105, Aug. 2018. [Project Page]

  22. Chul Lee and Edmund Y. Lam, “Computationally efficient brightness compensation and contrast enhancement for transmissive liquid crystal displays,” Journal of Real-Time Image Processing, vol. 14. no. 4, pp. 733–741, Apr. 2018. [Project Page] [ShareIt]

  23. Jaemoon Lim, Minhyeok Heo, Chul Lee, and Chang-Su Kim, “Contrast enhancement of noisy low-light images based on structure-texture-noise decomposition,” Journal of Visual Communication and Image Representation, vol. 45, pp. 107–121, May 2017.

  24. Yuelong Li, Chul Lee, and Vishal Monga, “A maximum a posteriori estimation framework for robust high dynamic range video synthesis,” IEEE Transactions on Image Processing, vol. 26, no. 3, pp. 1143–1157, Mar. 2017. [Project Page]

  25. Chul Lee and Vishal Monga, “Power-constrained RGB-to-RGBW conversion for emissive displays: Optimization-based approaches,” IEEE Transactions on Circuits and Systems for Video Technology, vol. 26, no. 10, pp. 1821–1834, Oct. 2016.

  26. Chul Lee and Edmund Y. Lam, “Computationally efficient truncated nuclear norm minimization for high dynamic range imaging,” IEEE Transactions on Image Processing, vol. 25, no. 9, pp. 4145–4157, Sep. 2016. [Project Page]

  27. Chul Lee, Yuelong Li, and Vishal Monga, “Ghost-free high dynamic range imaging via rank minimization,” IEEE Signal Processing Letters, vol. 21, no. 9, pp. 1045-1049, Sep. 2014. [Project Page]

  28. Chul Lee, Jin-Hwan Kim, Chulwoo Lee, and Chang-Su Kim, “Optimized brightness compensation and contrast enhancement for transmissive liquid crystal displays,” IEEE Transactions on Circuits and Systems for Video Technology, vol. 24, no. 4, pp. 576-590, Apr. 2014. [Project Page]

  29. Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Contrast enhancement based on layered difference representation of 2D histograms,” IEEE Transactions on Image Processing, vol. 22, no. 12, pp. 5372-5384, Dec. 2013. [Project Page]

  30. Seong-Gyun Jeong, Chul Lee, and Chang-Su Kim, “Motion-compensated frame interpolation based on multihypothesis motion estimation and texture optimization,” IEEE Transactions on Image Processing, vol. 22, no. 11, pp. 4497–4509, Nov. 2013. [Project Page]

  31. Chul Lee and Chang-Su Kim, “Rate-distortion optimized layered coding of high dynamic range videos,” Journal of Visual Communication and Image Representation, vol. 23, no. 6, pp. 908–923, Aug. 2012.

  32. Chul Lee, Chulwoo Lee, and Chang-Su Kim, “An MMSE approach to nonlocal image denoising: Theory and practical implementation,” Journal of Visual Communication and Image Representation, vol. 23, no. 3, pp. 476–490, Apr. 2012. (Top 25 hottest article–2012 full year, Winner of Best Paper Award)

  33. Chulwoo Lee, Chul Lee, Young-Yoon Lee, and Chang-Su Kim, “Power-constrained contrast enhancement for emissive displays based on histogram equalization,” IEEE Transactions on Image Processing, vol. 21, no. 1, pp. 80–93, Jan. 2012. [Project Page]

  34. Jae-Kyun Ahn, Dae-Yeon Lee, Chul Lee, and Chang-Su Kim, “Automatic moving object segmentation from video sequences using alternate flashing system,” EURASIP Journal on Advances in Signal Processing, vol. 2010, Article ID 340717, 14 pages, 2010.

Conference Papers

  1. Chuong Hoang Vo, Truong Thanh Nhat Mai, and Chul Lee, “Cloud removal in hyperspectral satellite images using low-rank tensor completion,” to appear in Proc. APSIPA Annual Summit and Conference (ASC), Macau, China, Dec. 2024.

  2. Gahyeon Kim, An Gia Vien, Duong Hai Nguyen, and Chul Lee, “Feature decomposition transformers for infrared and visible image fusion,” in Proc. IEEE International Conference on Image Processing (ICIP), Abu Dhabi, United Arab Emirates, Oct. 2024, pp. 2662–2668.

  3. Le Thi Hue Dao, An Gia Vien, Jooyoung Lee, Seyoon Jeong, Naeun Yang, and Chul Lee, “Content-aware supervision for diffusion-based restoration of extremely compressed background for VCM,” in Proc. IEEE International Conference on Image Processing (ICIP), Abu Dhabi, United Arab Emirates, Oct. 2024, pp. 1683–1689.

  4. Sanga Park, An Gia Vien, and Chul Lee, “Multiscale residual feature learning for RGBW remosaicing,” in Proc. International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Okinawa, Japan, Jul. 2024, pp. 243–244.

  5. Thuy Thi Pham, Truong Thanh Nhat Mai, and Chul Lee, “Deep unfolded underwater image enhancement based on extreme channels prior,” in Proc. APSIPA Annual Summit and Conference (ASC), Taipei, Taiwan, Oct./Nov. 2023, pp. 709–713.

  6. Duong Hai Nguyen and Chul Lee, “A contrastive learning approach for screenshot demoiréing,” in Proc. IEEE International Conference on Image Processing (ICIP), Kuala Lumpur, Malaysia, Oct. 2023, pp. 1210–1214.

  7. Le Thi Hue Dao, An Gia Vien, Jooyoung Lee, Seyoon Jeong, and Chul Lee, “Restoration of extremely compressed background for VCM using guided generative priors,” in Proc. IEEE International Conference on Image Processing (ICIP), Kuala Lumpur, Malaysia, Oct. 2023, pp. 1190–1194.

  8. Thuy Thi Pham, Truong Thanh Nhat Mai, and Chul Lee, “Deep unfolding network with physics-based priors for underwater image enhancement,” in Proc. IEEE International Conference on Image Processing (ICIP), Kuala Lumpur, Malaysia, Oct. 2023, pp. 46–50.

  9. Gahyeon Kim, An Gia Vien, Duong Hai Nguyen, and Chul Lee, “Cross-modal transformer-based RGB-T image fusion and aligned module with guided for crowd counting,” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Busan, Korea, Oct. 2023.

  10. Thuy Thi Pham, Truong Thanh Nhat Mai, and Chul Lee, “Model-driven deep unfolding approach to underwater image enhancement,” in Proc. International Workshop on Advanced Image Technology (IWAIT), Jeju, Korea, Jan. 2023.

  11. An Gia Vien, Truong Thanh Nhat Mai, Seonghyun Park, Gahyeon Kim, and Chul Lee, “Enhanced bidirectional motion estimation using feature refinement for HDR imaging,” in Proc. APSIPA Annual Summit and Conference (ASC), Chiang Mai, Thailand, Nov. 2022, pp. 1026–1030.

  12. Gahyeon Kim, An Gia Vien, and Chul Lee, “HDR image reconstruction from a single image via virtual exposure image generation,” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Yeosu, Korea, Oct. 2022.

  13. An Gia Vien and Chul Lee, “Exposure-aware dynamic weighted learning for single-shot HDR imaging,” in Proc. European Conference on Computer Vision (ECCV), Tel-Aviv, Israel, Oct. 2022, pp. 435–452. [Project Page]

  14. Jinyoung Jun, Jae-Han Lee, Chul Lee, and Chang-Su Kim, “Depth map decomposition for monocular depth estimation,” in Proc. European Conference on Computer Vision (ECCV), Tel-Aviv, Israel, Oct. 2022, pp. 18–34. [Project Page]

  15. Seonghyun Park, An Gia Vien, and Chul Lee, “Infrared and visible image fusion using bimodal transformers,” in Proc. IEEE International Conference on Image Processing (ICIP), Bordeaux, France, Oct. 2022, pp. 1741–1745.

  16. Jaemin Park, An Gia Vien, Jin-Hwan Kim, and Chul Lee, “Histogram-based transformation function estimation for low-light image enhancement,” in Proc. IEEE International Conference on Image Processing (ICIP), Bordeaux, France, Oct. 2022, pp. 1–5.

  17. Thuy Thi Pham, Truong Thanh Nhat Mai, and Chul Lee, “Unrolling multi-channel weighted nuclear norm minimization for image denoising,” in Proc. International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Phuket, Thailand, Jul. 2022, pp. 243–244.

  18. Eduardo Pérez-Pellitero, Sibi Catley-Chandar, Richard Shaw, Aleš Leonardis, Radu Timofte, …, Chul Lee, Gahyeon Kim, Seonghyun Park, An Gia Vien, Truong Thanh Nhat Mai, et al., “NTIRE 2022 challenge on high dynamic range imaging: Methods and results,” in Proc. IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), New Orleans, LA, Jun. 2022, pp. 1009–1023.

  19. An Gia Vien, Seonghyun Park, Truong Thanh Nhat Mai, Gahyeon Kim, and Chul Lee, “Bidirectional motion estimation with cyclic cost volume for high dynamic range imaging,” in Proc. IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), New Orleans, LA, Jun. 2022, pp. 1183–1190.

  20. Van Le, Truong Thanh Nhat Mai, and Chul Lee, “Motion style transfer based on multi-stage adaptive instance normalization,” in Proc. International Conference on Electronics, Information, and Communication (ICEIC), Jeju, Korea, Feb. 2022, pp. 800–801.

  21. Jaemin Park, An Gia Vien, and Chul Lee, “Low-light image enhancement via channel-wise intensity transformation,” in Proc. International Workshop on Advanced Image Technology (IWAIT), Hong Kong, Jan. 2022, pp. 7–10.

  22. Hyunkook Park, An Gia Vien, Yeong Jun Koh, and Chul Lee, “Unpaired image demoiréing based on cyclic moiré learning,” in Proc. APSIPA Annual Summit and Conference (ASC), Tokyo, Japan, Dec. 2021, pp. 146–150.

  23. Le Thi Hue Dao, Truong Thanh Nhat Mai, Hokwon Kim, Joon Goo Lee, Minseok Kim, and Chul Lee, “Future head-orientation prediction for VR and AR based on error compensation,” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Nov. 2021, pp. 345–346.

  24. Jae-Han Lee, Chul Lee, and Chang-Su Kim, “Learning multiple pixelwise tasks based on loss scale balancing,” in Proc. IEEE/CVF International Conference on Computer Vision (ICCV), Oct. 2021, pp 5107–5116. [Project Page]

  25. Junheum Park, Chul Lee, and Chang-Su Kim, “Asymmetric bilateral motion estimation for video frame interpolation,” in Proc. IEEE/CVF International Conference on Computer Vision (ICCV), Oct. 2021, pp. 14539–14548. [Project Page]

  26. Truong Thanh Nhat Mai, Edmund Y. Lam, and Chul Lee, “Ghost-free HDR imaging via unrolling low-rank matrix completion,” in Proc. IEEE International Conference on Image Processing (ICIP), Sep. 2021, pp. 2928–2932.

  27. An Gia Vien and Chul Lee, “Single-shot HDR imaging using multi-scale reconstruction model,” in Proc. International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Jeju, Korea, Jun. 2021.

  28. Truong Thanh Nhat Mai and Chul Lee, “Multi-exposure fusion for HDR imaging via matrix completion,” in Proc. International Conference on Electronics, Information, and Communication (ICEIC), Jeju, Korea, Jan./Feb. 2021, pp. 496–497.

  29. An Gia Vien, Hyunkook Park, and Chul Lee, “Moiré artifacts removal in screen-shot images via multiple domain learning,” in Proc. APSIPA Annual Summit and Conference (ASC), Auckland, New Zealand, Dec. 2020, pp. 1268–1273.

  30. Hyunkook Park and Chul Lee, “Deep residual learning approach to HDR image reconstruction from a single image,” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Busan, Korea, Nov. 2020, pp. 529–530.

  31. An Gia Vien and Chul Lee, “Single-shot HDR imaging via multi-scale CNN,” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Busan, Korea, Nov. 2020, pp. 527–528.

  32. Soo-Kyeong Kang, Chul Lee, and Chang-Su Kim, “Optimized color contrast enhancement for dichromats using local and global contrast,” in Proc. IEEE International Conference on Image Processing (ICIP), Abu Dhabi, United Arab Emirates, Oct. 2020, pp. 1048–1052.

  33. Junheum Park, Keunsoo Ko, Chul Lee, and Chang-Su Kim, “BMBC: Bilateral motion estimation with bilateral cost volume for video interpolation,” in Proc. European Conference on Computer Vision (ECCV), Glasgow, United Kingdom, Aug. 2020, pp. 109–125. [Project Page]

  34. Shanxin Yuan, Radu Timofte, Aleš Leonardis, Gregory Slabaugh, …, Chul Lee, An Gia Vien, Hyunkook Park, et al., “NTIRE 2020 challenge on image demoireing: Methods and results,” in Proc. IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), Seattle, WA, Jun. 2020, pp. 1882–1893.

  35. An Gia Vien, Hyunkook Park, and Chul Lee, “Dual-domain deep convolutional neural networks for image demoireing,” in Proc. IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), Seattle, WA, Jun. 2020, pp. 1934–1942.

  36. Truong Thanh Nhat Mai and Chul Lee, “Ship wake trails segmentation for maritime optical images,” in Proc. International Workshop on Frontiers of Computer Vision (IW-FCV), Ibusuki, Japan, Feb. 2020.

  37. Junheum Park, Chul Lee, and Chang-Su Kim, “Deep learning approach to video frame rate up-conversion using bilateral motion estimation,” in Proc. APSIPA Annual Summit and Conference (ASC), Lanzhou, China, Nov. 2019, pp. 1970–1975.

  38. Inho Jeong and Chul Lee, “Low-light video enhancement based on optimal gamma correction parameter estimation,” in Proc. International Workshop on Frontiers of Computer Vision (IW-FCV), Gangneung, Korea, Feb. 2019. (Best Paper Award)

  39. Thuong Van Nguyen, An Gia Vien, and Chul Lee, “Fast image dehazing based on multi-scale guided filtering,” in Proc. International Workshop on Advanced Image Technology (IWAIT), Singapore, Jan. 2019.

  40. Nam Hoang Nguyen, Tu Van Vo, Younghoon Jeong, Youngsu Moon, and Chul Lee, “Optimized tone mapping of HDR images via HVS model-based 2D histogram equalization,” in Proc. APSIPA Annual Summit and Conference (ASC), Honolulu, HI, Nov. 2018, pp. 700–704.

  41. Nam Hoang Nguyen, Tu Van Vo, and Chul Lee, “HVS model-based tone mapping technique for displaying HDR10 contents,” in Proc. International Meeting on Information Display (IMID), Busan, Korea, Aug. 2018.

  42. Tu Van Vo and Chul Lee, “Robust HDR video synthesis using superpixel-based illumination invariant motion estimation,” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Jeju, Korea, Jun. 2018, pp. 245–246.

  43. An Gia Vien and Chul Lee, “Single-shot high dynamic range imaging via deep convolutional neural network,” in Proc. APSIPA Annual Summit and Conference (ASC), Kuala Lumpur, Malaysia, Dec. 2017, pp. 1768–1772.

  44. Jun-Tae Lee, Han-Ul Kim, Chul Lee, and Chang-Su Kim, “Semantic line detection and its applications,” in Proc. IEEE International Conference on Computer Vision (ICCV), Venice, Italy, Oct. 2017, pp. 3229-3237. [Project Page]

  45. An Gia Vien and Chul Lee, “Deep learning-based single-shot HDR imaging,” in Proc. International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Busan, Korea, Jul. 2017, pp. 857–858.

  46. Chul Lee, “Rank minimization-based fast image completion,” in Proc. International Conference on Electronics, Information, and Communication (ICEIC), Phuket, Thailand, Jan. 2017, pp. 839–840.

  47. Jaemoon Lim, Minhyeok Heo, Chul Lee, and Chang-Su Kim, “Enhancement of noisy low-light images via structure-texture-noise decomposition,” in Proc. APSIPA Annual Summit and Conference (ASC), Jeju, Korea, Dec. 2016.

  48. Myoung-Gyu Seo, Sang-Yeob Kim, Jang-Bok Ju, and Chul Lee, “Beat estimation of non-periodic human movements using Kinect,” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Seoul, Korea, Oct. 2016, pp. 547–548.

  49. Chul Lee and Edmund Y. Lam, “High dynamic range imaging via truncated nuclear norm minimization of low-rank matrix,” in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Shanghai, China, Mar. 2016, pp. 1229–1233.

  50. Yuelong Li, Chul Lee, and Vishal Monga, “A MAP estimation framework for HDR video synthesis,” in Proc. IEEE International Conference on Image Processing (ICIP), Quebec City, Canada, Sep. 2015, pp. 2219–2223.

  51. Chul Lee and Vishal Monga, “Power-constrained RGB-to-RGBW conversion for emissive displays,” in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Florence, Italy, May 2014, pp. 1205-1209.

  52. Yeong Jun Koh, Chul Lee, Jae-Young Sim, and Chang-Su Kim, “Reliable optical flow estimation in motion-blurred regions,” in Proc. IEEE International Workshop on Multimedia Signal Processing (MMSP), Pula (Sardinia), Italy, Sep.–Oct. 2013, pp. 396-401

  53. Jin-Hwan Kim, Chul Lee, Jae-Young Sim, and Chang-Su Kim, “Single-image deraining using an adaptive nonlocal means filter,” in Proc. IEEE International Conference on Image Processing (ICIP), Melbourne, Australia, Sep. 2013, pp. 914–917.

  54. Chul Lee, Chang-Su Kim, and Sang-Uk Lee, “Probabilistic depth-guided multi-view image denoising,” in Proc. IEEE International Conference on Image Processing (ICIP), Melbourne, Australia, Sep. 2013, pp. 905–908.

  55. Chul Lee, Won-Dong Jang, Tae-Young Chung, and Chang-Su Kim, “Complex feature-based logo recognition,” in Proc. International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Yeosu, Korea, Jun.-Jul. 2013.

  56. Chul Lee, Chulwoo Lee, and Chang-Su Kim, “Contrast enhancement using 2-D to 1-D histogram conversion,” in Proc. International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Yeosu, Korea, Jun.-Jul. 2013.

  57. Seong-Gyun Jeong, Chul Lee, and Chang-Su Kim, “Exemplar-based frame rate up-conversion with congruent segmentation,” in Proc. IEEE International Conference on Image Processing (ICIP), Orlando, Florida, Sep.–Oct. 2012, pp. 845–848.

  58. Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Contrast enhancement based on layered difference representation,” in Proc. IEEE International Conference on Image Processing (ICIP), Orlando, Florida, Sep.–Oct. 2012, pp. 965–968.

  59. Chul Lee, Jin-Hwan Kim, Chulwoo Lee, and Chang-Su Kim, “Power-constrained backlight scaling and contrast enhancement for TFT-LCD displays,” in Proc. IEEE International Conference on Image Processing (ICIP), Orlando, Florida, Sep.–Oct. 2012, pp. 2793–2796.

  60. Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Power-constrained image processing techniques for emissive and non-emissive displays,” in Proc. The 11th International Meeting on Information Display (IMID), Seoul, Korea, Oct. 2011.

  61. Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Gradient domain contrast enhancement with histogram-guided boundary conditions,” in Proc. IEEE International Conference on Image Processing (ICIP), Brussels, Belgium, Sep. 2011, pp. 3433–3436.

  62. Chul Lee, Chulwoo Lee, and Chang-Su Kim, “MMSE nonlocal means denoising algorithm for Poisson noise removal,” in Proc. IEEE International Conference on Image Processing (ICIP), Brussels, Belgium, Sep. 2011, pp. 2561–2564.

  63. Yeong Jun Koh, Sang-Hwan Kim, Chul Lee, and Chang-Su Kim, “Spatial video summarization using multi-camera based background subtraction,” in Proc. International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Gyeongju, Korea, Jun. 2011, pp. 103–104.

  64. Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Power-constrained contrast enhancement for OLED displays based on histogram equalization,” in Proc. IEEE International Conference on Image Processing (ICIP), Hong Kong, Sep. 2010, pp. 1689–1692.

  65. Dae-Youn Lee, Jae-Kyun Ahn, Chul Lee, and Chang-Su Kim, “High quality video acquisition and segmentation using alternate flashing system,” in Proc. Pacific-Rim Conference on Multimedia (PCM), Shanghai, China, Sep. 2010, pp. 452–461.

  66. Chul Lee and Chang-Su Kim, “Rate-distortion optimal bit allocation for high dynamic range video compression,” in Proc. International Workshop on Advanced Image Technology (IWAIT), Seoul, Korea, Jan. 2009.

  67. Chul Lee and Chang-Su Kim, “Rate-distortion optimized compression of high dynamic range videos,” in Proc. European Signal Processing Conference (EUSIPCO), Lausanne, Switzerland, Aug. 2008.

  68. Chul Lee and Chang-Su Kim, “Gradient domain tone mapping of high dynamic range videos,” in Proc. IEEE International Conference on Image Processing (ICIP), San Antonio, Texas, Sep. 2007, pp. 461–464.

Domestic Papers

  1. 유한성, 우황장, 이철, “수중 영상 개선 및 객체 탐지 동시 수행을 위한 학습 데이터셋 구성,” 제 34회 인공지능신호처리 학술대회, 2024년 10월.

  2. 조예진, 노태준, 원해양, 이철, “라벨링된 데이터셋 구성을 위한 동공 크기 측정 프로그램 구현,” 제 34회 인공지능신호처리 학술대회, 2024년 10월.

  3. 원해양, 이철, “Latent moire decomposition for screenshot demoireing,” 대한전자공학회 하계종합학술대회, 2024년 6월.

  4. 김가현, 원해양, 이철, “특징 분해 트랜스포머 기반 적외선 및 가시광선 영상 합성,” 대한전자공학회 하계종합학술대회, 2024년 6월. (최우수논문상)

  5. 박상아, 비엔지아안, 이철, “다중 스케일 학습 기반 RGBW 리모자이싱,” 대한전자공학회 하계종합학술대회, 2024년 6월.

  6. Le Thi Hue Dao, Jooyoung Lee, Seyoon Jeong, Chul Lee, “Content-aware supervision for diffusion-based restoration of severely degraded background for VCM,” 한국방송미디어공학회 하계학술대회, 2024년 6월. (우수학생논문상)

  7. Truong Thanh Nhat Mai and Chul Lee, “Low-rank tensor completion via structure-aware tensor factorization,” 제 36회 영상처리 및 이해에 관한 워크샵, 2024년 2월.

  8. Le Thi Hue Dao, An Gia Vien, Jooyoung Lee, Seyoon Jeong, and Chul Lee, “Content-aware supervision for diffusion-based restoration of extremely compressed background,” 제 36회 영상처리 및 이해에 관한 워크샵, 2024년 2월.

  9. Thuy Thi Pham, Truong Thanh Nhat Mai, and Chul Lee, “Prior learning-based unfolding approach to underwater image enhancement,” 제 36회 영상처리 및 이해에 관한 워크샵, 2024년 2월.

  10. 김가현, 비엔지아안, 원해양, 이철, “교차 모달 트랜스포머를 이용한 특징 분해 기반 적외선 및 가시광선 영상 합성,” 제 36회 영상처리 및 이해에 관한 워크샵, 2024년 2월.

  11. 박상아, 정병희, 이철, 정영식, “단일 카메라를 이용한 온라인 회의 플랫폼 사용자의 집중도 평가,” 제 36회 영상처리 및 이해에 관한 워크샵, 2024년 2월.

  12. 김가현, 비엔지아안, 원해양, 이철, “교차 모달 트랜스포머 기반 RGB-T 영상 정렬 및 합성을 이용한 군중 집계,” 제 33회 인공지능신호처리 학술대회, 2023년 9월.

  13. 원해양, 이철, “Residual learning for screenshot demoireing,” 대한전자공학회 하계종합학술대회, 2023년 6월.

  14. Thuy Thi Pham, Truong Thanh Nhat Mai, Chul Lee, “Deep algorithm unrolling for underwater image enhancement,” 대한전자공학회 하계종합학술대회, 2023년 6월.

  15. 김가현, 비엔지아안, 원해양, 이철, “군중 집계를 위한 교차 모달 트랜스포머 기반 RGB-T 영상 합성,” 대한전자공학회 하계종합학술대회, 2023년 6월.

  16. 박상아, 박재민, 비엔지아안, 이철, “다중 변환함수 기반 실시간 저조도 영상 화질개선 기법,” 대한전자공학회 하계종합학술대회, 2023년 6월.

  17. 박성현, 비엔지아안, 이철, “교차 모달 트랜스포머 기반 적외선 및 가시광선 영상 합성,” 제 35회 영상처리 및 이해에 관한 워크샵, 2023년 2월.

  18. Truong Thanh Nhat Mai, Chul Lee, “Low-rank tensor completion-based unrolling approach to HDR imaging,” 제 35회 영상처리 및 이해에 관한 워크샵, 2023년 2월.

  19. 김가현, 원해양, 이철, “Two-Projection-Network 기반 360도 가상 영상의 Saliency Map 예측,” 전자정보통신 학술대회, 2022년 12월.

  20. 박재민, 이철, “영상 화질개선을 위한 히스토그램 기반 다중 변환함수 추정 기법,” 대한전자공학회 추계학술대회, 2022년 11월. (최우수논문상)

  21. 박재민, 비엔지아안, 이철, “다중 스케일 변환함수 추정 기반 저조도 영상개선 기법,” 제32회 신호처리합동학술대회, 2022년 9월.

  22. 박성현, 이철, “트랜스포머 기반 상호 관련성 추정을 통한 적외선 및 가시광선 영상 합성 기법,” 제32회 신호처리합동학술대회, 2022년 9월.

  23. Le Thi Hue Dao, Chul Lee, “Image generation using extremely compressed image,” 대한전자공학회 하계종합학술대회, 2022년 6월. (우수학생논문상)

  24. An Gia Vien, Seonghyun Park, Truong Thanh Nhat Mai, Gahyeon Kim, Chul Lee, “HDR imaging based on bidirectional motion estimation with cyclic correspondence,” 대한전자공학회 하계종합학술대회, 2022년 6월.

  25. Thuy Thi Pham, Truong Thanh Nhat Mai, Chul Lee, “Model-driven deep network-based rank minimization for image denoising,” 대한전자공학회 하계종합학술대회, 2022년 6월.

  26. 박성현, 비엔지아안, 이철, “양방향 트랜스포머를 이용한 적외선 및 가시광선 영상 합성 기법,” 대한전자공학회 하계종합학술대회, 2022년 6월. (우수학생논문상)

  27. 박재민, 이철, “다중 변환함수 추정 기반 영상 화질개선 기법,” 대한전자공학회 하계종합학술대회, 2022년 6월.

  28. 박현국, 비엔지아안, 김한울, 고영준, 이철, “순환적 모아레 학습을 이용한 화면 촬영 영상 내 모아레 제거,” 제 34회 영상처리 및 이해에 관한 워크샵, 2022년 2월.

  29. Truong Thanh Nhat Mai, Chul Lee, “Model-based learning approach to multi-exposure fusion,” 제 34회 영상처리 및 이해에 관한 워크샵, 2022년 2월.

  30. 박재민, 이철, “저조도 영상개선을 위한 히스토그램 기반 전역 변환함수 추정 기법,” 제 34회 영상처리 및 이해에 관한 워크샵, 2022년 2월.

  31. 박성현, 이철, “다중 스케일 네트워크 기반 적외선 및 가시광선 영상 합성 기법,” 제 34회 영상처리 및 이해에 관한 워크샵, 2022년 2월.

  32. 박재민, 이철, “다중 스케일 변환함수 추정 기반 저조도 영상개선 기법,” 제31회 신호처리합동학술대회, 2021년 9월.

  33. 박성현, 이철, “다중 스케일 확장 네트워크를 이용한 가시광선 및 적외선 영상 합성 기법,” 제31회 신호처리합동학술대회, 2021년 9월.

  34. 박재민, 비엔지아안, 이철, “저조도 영상 화질개선을 위한 특징맵 합성 기반 전역 변환함수 추정 기법,” 대한전자공학회 하계종합학술대회, 2021년 6월.

  35. 박성현, 이철, “에지 정보를 이용한 가시광선 및 적외선 영상 합성 기법,” 대한전자공학회 하계종합학술대회, 2021년 6월.

  36. 박현국, 이철, “딥러닝 기반 영상 내 모아레 제거 기술의 최신 연구 동향,” 대한전자공학회지, 제 48권, 2호, pp 17-24, 2021년 2월.

  37. 박현국, 비엔지아안, 이철, “다중 도메인 학습을 이용한 화면 촬영 영상 내 모아레 무늬 제거 기법,” 방송공학회논문지, 제26권 1호, pp. 3–13, 2021년 1월.

  38. An Gia Vien, Hyunkook Park, Chul Lee, “Multiple domain learning approach to moiré artifacts removal in screen-captured images,” 제 33회 영상처리 및 이해에 관한 워크샵, 2021년 2월.

  39. Truong Thanh Nhat Mai, Chul Lee, “Optimization-based deghosting for HDR imaging,” 제 33회 영상처리 및 이해에 관한 워크샵, 2021년 2월.

  40. 다오레, 마이트렁, 김호권, 이준구, 김민석, 이철, “증강현실을 위한 IMU 기반 미래 시선 예측 알고리즘,” 대한전자공학회 추계학술대회, 2020년 11월.

  41. 박현국, 비엔지아안, 이철, “다중 네트워크 앙상블을 이용한 화면 촬영 영상 내 모아레 무늬 제거 기법,” 제30회 신호처리합동학술대회, 2020년 9월.

  42. 박현국, 비엔지아안, 이철, “다중 스케일 네트워크 기반 영상 내 모아레 무늬 제거 기법,” 한국방송미디어공학회 하계학술대회, 2020년 7월.

  43. 강수경, 이철, 김창수 “색각 이상자를 위한 색 변환 연구,” 제 32회 영상처리 및 이해에 관한 워크샵, 2020년 2월.

  44. Thuong Van Nguyen, Chul Lee, “Illumination decomposition-based maritime image defogging,” 제 32회 영상처리 및 이해에 관한 워크샵, 2020년 2월.

  45. An Gia Vien, Chul Lee, “Single-shot high dynamic range imaging via multi-scale CNN,” 제 32회 영상처리 및 이해에 관한 워크샵, 2020년 2월.

  46. 마이트렁, 이철, “해양 영상에서 선박으로 인한 후류 영역 탐지 기법,” 한국방송미디어공학회 추계학술대회, 2019년 11월.

  47. 박현국, 지현서, 최희수, 이철, “딥러닝 기반 단일 영상의 동적범위 확장 기법,” 한국정보처리학회 추계학술발표대회, 2019년 11월.

  48. 비엔 지아 안, 이철, “단일 영상 기반 HDR 영상 합성을 위한 다중 스케일 End-to-End CNN 설계,” 제29회 신호처리합동학술대회, 2019년 9월.

  49. 트영, 이철, “밝기 분해 기반 해양 영상의 안개 제거 기법,” 제29회 신호처리합동학술대회, 2019년 9월.

  50. 지현서, 박현국, 최희수, 이철, “카메라의 성능 향상을 위한 시각적 방해 요소 개선 기법 조사,” 한국정보처리학회 춘계학술발표대회, 2019년 5월.

  51. 비엔 지아 안, 이철, “임베디드 GPU에서의 딥러닝 기반 실시간 보행자 탐지 기법,” 방송공학회논문지, 제24권 제2호, pp. 357-360, 2019년 3월.

  52. Nam Hoang Nguyen, Tu Van Vo, 이철, “HVS model-based optimized tone mapping of HDR10 contents,” 제 31회 영상처리 및 이해에 관한 워크샵, 2019년 2월.

  53. Thuong Van Nguyen, 이철, “Real-time video dehazing based on multi-scale guided filtering,” 제 31회 영상처리 및 이해에 관한 워크샵, 2019년 2월.

  54. 정인호, 이철, “저조도 동영상의 대조비 향상을 위한 최적의 감마 보정 계수 추정 기법,” 제 31회 영상처리 및 이해에 관한 워크샵, 2019년 2월.

  55. 정인호, 이철, “저조도 영상의 대조비 향상을 위한 최적의 감마 보정 계수 추정 기법,” 한국방송미디어공학회 추계학술대회, 2018년 11월.

  56. Tu Van Vo, 이철, “슈퍼픽셀 기반의 움직임 추정을 이용한 HDR 동영상 합성,” 한국방송미디어공학회 하계학술대회, 2018년 6월.

  57. 비엔 지아 안, 이철, “시각 인지 특성과 딥 컨볼루션 뉴럴 네트워크를 이용한 단일 영상 기반 HDR 영상 취득,” 방송공학회논문지, 제23권 제3호, pp. 369–382, 2018년 5월.

  58. An Gia Vien, 이철, “HVS-aware single-shot HDR imaging using deep CNN,” 제 30회 영상처리 및 이해에 관한 워크샵, 2018년 2월.

  59. 서혜진, 김민주, 이예진, 박해리, 이철, “딥러닝을 이용한 실시간 운동 자세 교정 프로그램 구현,” 한국멀티미디어학회 추계학술발표대회, 2017년 11월.

  60. 배기현, 박주영, 김고은, 전지응, 이철, “다중 참여형 웹툰 웹 애플리케이션 구현,” 한국멀티미디어학회 추계학술발표대회, 2017년 11월.

  61. 서명규, 김상엽, 주장복, 이철, “키넥트를 이용한 인간 움직임의 주파수 예측 및 이를 활용한 응용 프로그램 구현,” 한국멀티미디어학회 논문지, 제 20권 8호, pp. 1248–1257, 2017년 8월.

  62. Tu Van Vo, 이철, “밝기 변화에 강인한 특징 기술자를 이용한 고품질 HDR 동영상 합성,” 한국방송미디어공학회 하계학술대회, 2017년 6월.

  63. 서혜진, Vien Gia An, 이철, “YOLO 기반 실시간 보행자 탐지 기법 구현,” 한국멀티미디어학회 춘계학술발표대회, pp. 898-899, 2017년 5월.

  64. Tu Van Vo, 이철, “밝기에 강인한 특징 기술자를 이용한 HDR 동영상 합성 기법,” 제 29회 영상처리 및 이해에 관한 워크샵, 2017년 2월.

  65. 조수현, 남동훈, 전지은, 이철, “키넥트를 이용한 수화 교육 프로그램 구현,” 한국멀티미디어학회 추계학술발표대회, 제19권, 2호, pp. 579–580, 2016년 10월.

  66. 이철, “Truncated nuclear norm 최소화를 이용한 HDR 영상 합성,” 한국방송공학회 추계학술대회, 2015년 11월.

  67. 이철우, 김진환, 이철, 김창수, “저전력 화질 개선 기법,” 제 26회 영상처리 및 이해에 관한 워크샵, 2014년 2월.

  68. 김창수, 이철우, 이철, “스마트폰을 위한 화질 개선 기술,” 한국통신학회 학회지, 제29권 4호, pp. 30–36, 2012년 4월.

  69. 김진환, 이철, 이철우, 김창수, “OLED 디스플레이를 위한 저전력 대조비 향상 기법,” 한국방송공학회 논문지, 제 17권 2호, pp. 284–294, 2012년 3월.

  70. 고영준, 김상환, 이철, 김창수, “객체 추적을 이용한 다중 카메라 환경에서의 임의 시점 영상 추출,” 제 24회 영상처리 및 이해에 관한 워크샵, 2012년 2월.

  71. 김진환, 이철, 이철우, 김창수, “OLED를 위한 저전력 화질 개선 기법,” 한국방송공학회 추계학술대회, 2011년 11월. (최우수학생논문상)

  72. 이철, 김진환, 이철우, 김창수, “TFT-LCD 디스플레이를 위한 저전력 화질 개선 기법,” 한국방송공학회 하계학술대회, 2011년 7월.

  73. 이철우, 이철, 김창수, “제한 전력 환경에서 OLED 디스플레이를 위한 화질 개선 기법,” 제23회 영상처리 및 이해에 관한 워크샵, 2011년 2월.

  74. 이철우, 이철, 김창수, “OLED 디스플레이를 위한 저전력 영상 화질 개선 기법,” 한국방송공학회 하계학술대회, 2010년 7월.

  75. 이철, 이철우, 김창수, “적응적 가중치를 사용한 비국소적 영상 잡음 제거 기법,” 한국방송공학회 하계학술대회, 2010년 7월.

  76. 이철, 김창수, “블록별 그래디언트 영역 처리를 이용한 동영상의 화질개선 기법,” 대한전자공학회 추계학술대회, 2009년 11월.

  77. 이철, 김창수, “비트율-왜곡 최적화를 이용한 HDR 동영상의 압축 기법,” 제21회 신호처리 합동 학술대회, 2008년 9월.

  78. 이철, 김창수, “블록별 양자화를 이용한 HDR 영상의 효율적인 JPEG 압축 기법,” 전기전자학회 논문지, 제11권 4호, pp. 219–226, 2007년 12월.

  79. 이철, 김창수, “블록별 양자화를 이용한 High Dynamic Range 영상의 JPEG 압축,” 한국방송공학회 학술대회, 2007년 11월.

  80. 이철, 김창수, “신뢰도 전파를 이용한 HDR 영상의 동적 영역 압축,” 대한전자공학회 하계학술대회, 제30권 1호, pp. 267–268, 2007년 7월.

Patents

  1. Chul Lee, Duong Han Nguyen, An Gia Vien, and Gahyeon Kim, “Infrared and visible light image fusion device using feature decomposition-based transformer,” Appl. No. 10-2024-0156155, Nov. 6, 2024.

  2. Joo Young Lee, Youn Hee Kim, Se Yoon Jeong, Jin Soo Choi, Chul Lee, Le Thi Hue Dao, and An Gia Vien, “Method and apparatus for generating reconstructed image considering machine vision and human vision,” Appl. No. 10-2024-0123548, Sep. 10, 2024.

  3. Younghoon Jeong, Nam Hoang Nguyen, Chul Lee, Joseph Kim, Youngsu Moon, Tu Van Vo, and Jaemoon Lim, “Electronic device and control method thereof,” Patent No. CN 112740319 B, Mar. 8, 2024.

  4. Chul Lee and An Gia Vien, “Efficient color interpolation device and method based on kernel learning,” Appl. No. 10-2024-0009423, Jan. 22, 2024.

  5. Chul Lee, Jaemin Park, An Gia Vien, and Jin-Hwan Kim, “Image enhancement apparatus and method for obtaining image in which image quality is enhanced based on histogram-based transformation function estimation,” Patent No. 10-2594410, Oct. 23, 2023.

  6. Chul Lee, Jaemin Park, An Gia Vien, and Hanul Kim, “Image enhancement apparatus and method for obtaining image in which image quality is enhanced based on multiple transformation function estimation,” Patent No. 10-2586816, Oct. 4, 2023.

  7. Chul Lee and Seonghyun Park, “Apparatus and method for fusing visible light image and infrared image based on multi-scale network,” Patent No. 10-2565989, Aug. 7, 2023.

  8. Younghoon Jeong, Nam Hoang Nguyen, Chul Lee, Joseph Kim, Youngsu Moon, Tu Van Vo, and Jaemoon Lim, “Electric device and control method thereof,” Patent No. 10-2533723, May 12, 2023.

  9. Younghoon Jeong, Nam Hoang Nguyen, Chul Lee, Joseph Kim, Youngsu Moon, Van Tu Vo, and Jaemoon Lim, “Electronic device and control method thereof,” Patent No. US 11,410,283 B2, Aug. 9, 2022.

  10. Chul Lee, An Gia Vien, and Hyunkook Park, “Apparatus and method of removing moire pattern in image based on dual domain deep convolutional neural network,” Patent No. 10-2337745, Dec. 6, 2021.

  11. Chul Lee, An Gia Vien, and Hyunkook Park, “Apparatus and method of removing moire pattern in image using multi-domain deep learning,” Patent No. 10-2327758, Nov. 12, 2021.

  12. Younghoon Jeong, Nam Hoang Nguyen, Chul Lee, Joseph Kim, Youngsu Moon, Tu Van Vo, and Jaemoon Lim, “Electronic device and control method thereof,” Pub. No. EP.19859815.A, Apr. 28, 2021.

  13. Jung Soo Lee, Chul Lee, Thuong Van Nguyen, “Method and apparatus for removing fog in image,” Appl. No. 10-2019-0153243, Nov. 26, 2019.

  14. Su Bin Lee, Chul Lee, Thuong Van Nguyen, and An Gia Vien, “Method for removing fog and apparatus therefor,” Patent No. 10-2141122, Jul. 29, 2020.

  15. Younghoon Jeong, Nam Hoang Nguyen, Chul Lee, Joseph Kim, Youngsu Moon, Tu Van Vo, and Jaemoon Lim, “Electric device and control method thereof,” Appl. No. PCT/KR2019/001589, Feb. 8, 2019.

  16. Myoung Gyu Seo, Sang Yeob Kim, Jang Bok Ju, and Chul Lee, “A method for estimating the frequency of human movement,” Patent No. 10-1864437, May 29, 2018.

  17. Chul Lee and Edmund Y. Lam, “Apparatus for processing high dynamic range imaging,” Patent No. 10-1740647, May 22, 2017.

  18. Chul Lee and Edmund Y. Lam, “Efficient low power contrast enhancement apparatus and method for transmissive LCDs,” Appl. No. PCT/KR2016/012499, Nov. 2, 2016.

  19. Chul Lee and Edmund Y. Lam, “Efficient low power contrast enhancement apparatus and method for transmissive LCDs,” Patent No. 10-1980826, May 15, 2019.

  20. Jong-Hoon Won, Kazuhiko Sugimoto, Masataka Hamada, Chang-Su Kim, Yeong-Jun Koh, Dae-Youn Lee, and Chul Lee, “Apparatus, method, and processor for measuring change in distance between a camera and an object,” Patent No. US 9,798,951 B2, Oct. 24, 2017.

  21. Jong Hoon Won, Kazuhiko Sugimoto, Masataka Hamada, Chang-Su Kim, Yeong Jun Koh, Dae-Youn Lee, and Chul Lee, “Method for measuring changes of distance between the camera and the object using object tracking, Computer readable storage medium of recording the method and a device measuring changes of distance,” Patent No. 10-2094506, Mar. 23, 2020.

  22. Chulwoo Lee, Chang-Su Kim, and Chul Lee, “Apparatus and method for providing image,” Patent No. 10-1182637, Sep. 7, 2012.

  23. Chang-Su Kim, Chulwoo Lee, and Chul Lee, “Apparatus and method for providing image,” Pub. No. WO2012/086900, Jun. 28, 2012.

  24. Chang-Su Kim, Dae-Youn Lee, Jae-Kyun Ahn, and Chul Lee, “Apparatus and method for improving image quality using flash device,” Patent No. 10-1004623, Dec. 22, 2010.

  25. Geun-Yeung Jea, Chang-Su Kim, and Chul Lee, “Apparatus for treatment of animation and method for improvement of animation quality,” Appl. No. 10-2007-0092771, Sep. 12, 2007.

  26. Ki-Chul Cha, Woo-Jae Lee, Byoung-Nyoun Kim, and Chul Lee, “Apparatus for measurement of height,” Patent No. 10-0616059, Aug. 18, 2006.

Invited Talks

  1. “Recent trends in deep learning-based HDR imaging,” Korea Information Processing Society (KIPS) Fall Conference, Nov. 2018.

  2. “HVS model-based tone mapping technique for displaying HDR10 contents,” Samsung Display Co., Ltd., Oct. 2018.

  3. “Computationally efficient truncated nuclear norm minimization with applications to HDR imaging,” Workshop on Image Processing and Image Understanding (IPIU2016), Feb. 2016.

Thesis

  1. Chul Lee, “Image restoration with MMSE nonlocal means filtering,” Ph.D. dissertation, Korea University, Dec. 2012.

  2. Chul Lee, “Tone mapping and encoding algorithms for HDR video sequences,” Master's thesis, Korea University, Jun. 2008.