Distance-dependent multimodal image registration for agriculture tasksBerenstein, Ron (Avtor) Hočevar, Marko (Avtor) Godeša, Tone (Avtor) Edan, Yael (Avtor) Ben-Shahar, Ohad (Avtor) sensor registrationcontrol pointsartificial control pointssensor fusionImage registration is the process of aligning two or more images of the same scene taken at different times; from different viewpoints; and/or by different sensors. This research focuses on developing a practical method for automatic image registration for agricultural systems that use multimodal sensory systems and operate in natural environments. While not limited to any particular modalities; here we focus on systems with visual and thermal sensory inputs. Our approach is based on pre-calibrating a distance-dependent transformation matrix (DDTM) between the sensors; and representing it in a compact way by regressing the distance-dependent coefficients as distance-dependent functions. The DDTM is measured by calculating a projective transformation matrix for varying distances between the sensors and possible targets. To do so we designed a unique experimental setup including unique Artificial Control Points (ACPs) and their detection algorithms for the two sensors. We demonstrate the utility of our approach using different experiments and evaluation criteria.20152021-09-15 11:37:48Članek v reviji130485sl