News
Browse 37,300+ oak tree stock illustrations and vector graphics available royalty-free, or search for oak tree vector or oak tree logo to find more great stock images and vector art.
Business, banking and success concept. Vector illustration of USD isolated on white background Set of ten dollars, five dollars and one dollar bills from both sides. 10, 5 and 1 US dollars banknotes.
In this paper, a new digital watermarking method for vector maps is proposed, where the watermark can be embedded in a set of polylines by using the discrete Fourier transform (DFT). The robustness ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results