I like that the Pentax WG-8 is such a tough compact camera and that it can withstand all the elements (fire excluded), from freezing conditions to underwater shooting. It has impressive ultra-closeup ...

Abstract: Infrared small target detection (ISTD) is a fundamental component of infrared search and tracking systems. The low-rank sparse decomposition method has become the mainstream of ISTD due to ...

Here are 16 photography subjects you can capture in a city, plus tips on how to photograph them. Ideas include capturing reflections, shooting macro images, hunting out patterns and more.

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.

Ports USB2.0 micro B, External power supply terminal, External cable switch terminal, X-sync socket, HDMI output terminal Type D , Stereo microphone input terminal, Headphone terminal ...