另一方面，数字技术作为一种新的艺术表现手法，同时运用在纯视觉艺术和实用艺术之间。
On the other hand, the digital technique, as a kind of new art expression, applies between the pure vision arts and practical art.
二元纯位相滤波器(BPOF)数字水印是一种用于图像真实性认证的半脆弱水印技术。
The binary phase-only filter (BPOF) digital watermarking is a semi-fragile watermarking technique used for the image credibility authentication.
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