| 2012 | IGARSS | In-orbit optical performance assessment of Geostationary Ocean Color Imager. | Eunsong Oh, Seongick Cho, Yu-Hwan Ahn, Youngje Park, Joo-Hyung Ryu, Sug-Whan Kim |
| 2010 | IGARSS | Preleminary analysis of data processing for geostationary ocean color remote sensing data from GOCI/COMS. | Hee-Jeong Han, Joo-Hyung Ryu, Chan-Su Yang, Seongick Cho, Yu-Hwan Ahn |
| 2005 | IGARSS | Study on the seasonal variation for oceanic environment of yellow sea coastal area using ferry ship and satellite data. | Jeong-Eon Moon, Yu-Hwan Ahn, Joo-Hyung Ryu, Joong-Ki Choi |
| 2005 | IGARSS | The comparison of Kompsat-1 OSMI and SeaWiFs data in the Korean Sea. | Joo-Hyung Ryu, Jeong-Eon Moon, Palanisamy Palanisamy, Yu-Hwan Ahn, Hyun-Cheol Kim |
| 2005 | IGARSS | Application of optical remote sensing imagery for detection of red tide algal blooms in Korean waters. | Palanisamy Shanmugam, Yu-Hwan Ahn, Joo-Hyung Ryu, Jeong-Eon Moon |
| 2005 | IGARSS | A study of the sedimentrary environments in the Korean tidal flat using Landsat TM/ETM+, Kompsat EOC, and IKONOS. | Hong-Rhyong Yoo, Il-Hwan Bae, Joo-Hyung Ryu, Yu-Hwan Ahn |
| 2005 | IGARSS | Development of suspended sediment algorithm for kompsat-II MSC. | Yu-Hwan Ahn, Jee-Eun Min, Joo-Hyung Ryu, Palanisamy Shanmugam, Jeong-Eon Moon, Kyu-Sung Lee |
| 2005 | IGARSS | Evaluation of the spectral shape matching method (SSMM) for correcting the atmospheric effects in the satellite VIS/NIR imagery. | Yu-Hwan Ahn, Palanisamy Shanmugam |