Search for minerals. INDEPENDENT PHOTO/RONALD MUSOKE. Africa’s strategic minerals are no longer just economic assets. They are levers of power. Gold in the Sahel, cobalt and lithium in the DRC, fuel ...

Abstract: The complex background noise in raw insulation pull rod (IPR) images, coupled with the small and inconspicuous nature of many defect regions, often hinders the effective perception of defect ...

Abstract: With the continuous development of digital image processing algorithms, its application scenarios have been integrated from the simple research of a single image and a single algorithm to a ...

The Interior Department said the projects posed national security risks, without providing details. The decision imperils billions of dollars of investments. By Maxine Joselow and Lisa Friedman ...