Image matching is one of the most important tasks in Unmanned Arial Vehicles (UAV) photogrammetry applications.The number and distribution of extracted keypoints play an essential role in the reliability and accuracy of image matching and orientation results.Conventional detectors generally produce too many redundant keypoints.In this paper, we stu
Pandemic risks, such as Covid-19, are difficult to insure as they are characterized by multiple factor risks and losses and involve different types of businesses and people simultaneously.The scarcity of time series and statistical data prevents insurers from developing correct Cushion pricing.We propose a model of catastrophe risk with Non-Damage
Community-led watershed development activities, including the establishment of exclosures (areas where both livestock and farming activities are excluded) on degraded communal grazing land, have become a common practice in Ethiopia since the 1990s.However, it is not yet fully understood how these exclosures change soil organic carbon and total soil