We suggest also some methods of adaptive coding and that for selecting the effective edges according to the statistics of edge in an image.

其次根据图象边沿信号统计性质提出边沿信号的选择和自适应编码方法。

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It is shown that the filter presented in the paper has the ability of effective removing the positive impulse noise and better protection for edges and details with simple row and column processing.

实验表明基于行列处理的非线性滤波器通过简单的行列处理，不但能有效消除正向脉冲噪声，而且对图像边缘和细节具有较强的保护能力。

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The plurality of suction channels permits effective pick-up of dirt, which may be further enhanced by an air duct in the form of a slot (48), which draws air over some of the working edges (42, 44).

多个吸入通道允许有效的拾取脏物，其可通过为狭槽(48)形式的空气管道得到进一步地增强，该狭槽在工作边缘(42,44)的一部分之上吸入空气。

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