Both types have their own advantages: frequency domain methods have strong robustness, while spatial domain methods have higher accuracy.
这两种方法各有特点：频率域法的鲁棒性强，而空间域方法相对精确度更高。
Due to the difference of the applied domain, the software platform and the methods by which the spatial was collected, data format transformation is barely avoided.
应用领域的不同、系统开发软件平台的不同以及数据源采集方式的不同，往往需要将数据进行格式转换以满足特定的需要。
Compared with existing spatial domain optimization methods, the new spatial spectrum optimization method can effectively improve the practical performance of DOE and save computing time.
与已有空间域优化方法的对比表明，在元件实用效果方面，空间频域优化设计方法优于空域方法。
The paper, by adopting jointly Artificial Neural Network (ANN), general Amold mapping, and statistical methods, intends to formulate an algorithm based on image spatial domain watermark.
将人工神经网络（ANN）、广义猫映射及概率统计等知识相结合构造了一种图像空间域水印算法。
Some research is processed as follow:In the area of video de-noising, we did our research on various intra-frame de-noising methods on spatial domain, frequency domain and wavelet domain.
在视频降噪方面，从帧内与帧间两个角度对视频降噪方法进行了研究。
Some research is processed as follow:In the area of video de-noising, we did our research on various intra-frame de-noising methods on spatial domain, frequency domain and wavelet domain.
在视频降噪方面，从帧内与帧间两个角度对视频降噪方法进行了研究。
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