The experimental results show that when the watermarked image suffers light attacks, watermarking alone is enough to verify the copyright, and there is no need to utilize fingerprinting.

• 实验结果显示，当受保护的影像遭受较轻微程度的攻击，系统中的数位浮水印技术已经足以验证其著作权，而不用进行至数位指纹技术。