For example, if you have a photography website where retaining high-level details in images is key to user experience, it is advised to use PNG rather than JPG or WebP. In that case, you can ...

Most image sharing methods elaborate on the uncompressed formats and cannot be applied directly to compressed formats such as JPEG format. Recently, some related JPEG sharing methods were proposed.

Ryan Lucas covers the Justice Department for NPR. He focuses on the national security side of the Justice beat, including counterterrorism, counterintelligence and transnational repression.

We show that by introducing within-class and between-class similarity graphs to characterise intra-class compactness and inter-class separability, the geometrical structure of data can be exploited.