After getting the position, it compares the MSB (most significant bit)of the image with the watermark information.
它首先构造一个混沌阵列,然后利用该混沌阵列来在图像中寻找“嵌入~1”位置,得到该位置的像素值的最高有效位,再通过和水印信息的比较结果来在混沌阵列中设置标志,构造出最终的水印阵列。
Among many television textbooks,there exist many problems in the proof of television s maximum image frequency.
在电视教科书中,在对图像最高频率的论证上存在问题,从中选出有代表性的三个版本,通过对三个版本论证的评论,指出了各版本存在的不妥之处,对电视最高频率论证提出了质疑。
According the highest tide level,the increased water level,economic loss and so on,the theory of "least square method" was used to establish the mathematical model(y=123.
并利用“最小二乘法”的思想,根据历次风暴潮最高潮位、增水强度及经济损失等资料,建立了评估风暴潮直接经济损失的数学模型y=123。
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