提出了以峰值信噪比为基础，结合结构相似度和基于人眼视觉系统的数字电影图像质量客观评价方法。
The objective digital film image quality assessment based on peak signal to noise ratio, together with structural similarity and human vision system is proposed.
在人工智能领域中类比推理的关键问题是：建立有利于类比的知识表示和组织的数据结构、相似度的确定和类比转换模式。
The key problem of analogy reasoning is : set up data structure of helping the knowledge to show and organize, similar sureness and change the mode.
但甜柿砧木和接穗解剖结构的相似度并不能预测其嫁接亲和性。
But the analogy of the anatomical structure of the rootstock and scion can't predict the graft compatibility.
发现初生聚乙烯粉末具有条状形态结构，其支化度、结晶度及晶粒尺寸均与低压聚乙烯相似，但其熔点和特性粘数较高。
The morphology of nascent polymer powder shows strip structure by scanning electron microscope. Branched content, crystallinity and crystallite size are similar to those of high density polyethylene.
因此本文提出一种基于概念的实例、概念的定义和概念的结构层次关系的综合语义相似度的计算模型。
So that an integrated approach based on instances, definition and hierarchy information of concepts is presented.
由频域函数、亮度函数和对比度函数计算得到结构相似度。
The structural similarity is calculated using the frequency domain, the brightness, and the contrast functions.
由频域函数、亮度函数和对比度函数计算得到结构相似度。
The structural similarity is calculated using the frequency domain, the brightness, and the contrast functions.
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