This video showcases two creative artworks: a detailed blue butterfly illustration using smooth strokes and bold lines, and a ...

This video presents a creative trio by: a stylized letter P with retro line design, two smooth red-to-black gradient studies, ...

This paper presents a new location detection technology to find the bar code under complex background. Firstly, the contour of the grayscale image is extracted by the optimized Sobel operator and ...