Korea Institute of Maritime and Fisheries Technology

Decomposing ship carbon intensity under fuel-intensity regulation: Separating fuel decarbonization from operational energy efficiency

International shipping requires performance indicators that distinguish reductions in operational energy demand from reductions in the life-cycle greenhouse gas (GHG) intensity of marine fuels. The Carbon Intensity Indicator (CII) is emission-based but is often interpreted as a p...

Risk-Aware Local Path Planning with Kinematic Constraints for Small Vessel Navigation in Coastal Waters Using an Integral Image-Based Obstacle Density Field

Safe navigation in coastal waters remains a persistent challenge for conventional grid-based path planning methods, which prioritize shortest-distance optimization while neglecting spatial risk distribution and kinematic trackability. This study proposes a local path planning fra...