Ellipses and cylinders are foundational to drawing forms in perspective. This short shares a practical method to improve accuracy, consistency, and confidence when drawing rounded forms—making complex ...

An artist takes on the challenge of using 365 different markers to complete a single drawing. This video showcases the methodical process and visual impact of combining a full spectrum of colors in ...

Abstract: The disadvantages of ellipse fitting method based on algebraic method include its large sampling range, unclear physical explanation of the parameters of the equation, uncontrollable ...

Abstract: Cyber security has always been an important issue in the Internet of Everything topic. In the physical layer of the Internet, specific emitter identification (SEI) technology is widely ...