Based on the discussion of the theory of wavelet transform of images, a practical multi scale edge detecting method is put forward and the ways to suppress noise interference are discussed.
在对图像的小波变换原理讨论的基础上，提出了一种较为实用的图像多尺度边缘检测方法，同时对如何抑制噪声的干扰进行了讨论。
Chapter II mainly carries on a more detailed discussion to the traditional credit risk assessment method including traditional credit analysis as well as multi-variables credit model.
第二章主要是对传统的信用风险评估方法进行了较为详细的讨论，包括传统的信用分析以及多变量信用模型。
The paper analyzes the economy attribute of cost price from multi-opinion, and develops a mathematic model on the basis of the discussion of the theory of cost evaluation, and also studies the method.
从多个角度分析了成本价的经济属性，对成本价的评审理论进行了深入地探讨并得出了其数学模型，据此理论展开了成本价评审方法的研究。
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