该方法在室温下进行 ，操作方便 ，样品溶液不受颜色限制。
This method is operated in the room temperature and without disturbance of sample colour.
实验表明这种方法计算简单，能快速地定位文本区域，且不受文本颜色、字形等的限制。
The experimental results demonstrate the simplicity and effectivity of the approach, which is free of the restriction of the text color, the text shape, and etc.
多色印刷：可用任何数量任何特别颜色的印刷，不受四色彩印所用的颜色限制。 印刷业翻译。
Multi-colour printing: Colour printing not limited by the use of process colours. Any number of colours and any special colours may be used.
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