English translation for "fourier descriptor"
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- 傅里叶描述算子
傅里叶描述子
Related Translations:
- Example Sentences:
| 1. | Moment fourier descriptor matrix and its using in invriant pattern recognition
基于小波矩不变量的模式识别方法 | | 2. | Secondly , feature extraction methods based on target profile is researched . for segmented target , fourier descriptor is adopted
其次,研究了用于目标轮廓信息特征提取的方法;对已分割的目标提取轮廓信息,采用傅立叶描述符描述。 | | 3. | It was concluded that the first sixteen harmonics of the fourier descriptor were enough to represent the primary shape of pear , and the shape identification accuracy could reach 90 % by applying the fourier descriptor in combination with artificial neural network
研究发现该傅立叶描述子的前16个谐波的变化特性足以代表梨体的主要形状，采用傅立叶描述子与人工神经网络相结合的方法进行果形识别的精确率可达90 % 。 | | 4. | Firstly , fourier descriptor used to describe the object ' s shape is introduced to the extraction of feature of apple ' s shape . the boundary of apple is an obturated curve , distance between boundary point and centroid r ( k ) " is used as a function to express the 2 - d boundary in spatial domain . the fourier transform coefficients of the discrete sequences f ( h ) are spectrum values in frequency domain , and they compose feature parameters of shape
首次将图像分析理论中对形状的傅立叶描述方法引入到对苹果形状的特征提取中，果实边界是一条封闭曲线，用边界点到形心之间的距离长度r ( l )作为空域中对二维曲线的表达函数，离散的函数值序列r ( k ) ~ l的离散傅立叶变换系数f ( h )就是频域中得到的频谱值，可作为形状的特征参数。 | | 5. | In the research , the system captures real - time images based on the sdk , and saves the image data into buffers which are created by the system . the important and primary parts are got using the programs which are designed to process and analyze the image data in the buffers , and the geometrical features such as area , perimeter , moment invariants and fourier descriptor , are measured . the parts are classified according to the threshold of each geometrical feature with the image database
课题研究中,在设计的试验平台上,通过摄像头和sdk开发包对零件进行实时图像采集,并将其存入开辟的数据缓冲区内;由设计的图形处理模块对缓冲区内的数据采用各种算法进行分析处理,形成研究中感兴趣的重要图像;调用图像识别判断模块,主要提取了零件的周长,面积,惯性矩,傅立叶描绘子等形状特征参数,根据定义的识别函数,并结合图像数据库,进行零件识别或缺陷检测。 |
- Similar Words：
- "fourier conduction equation" English translation, "fourier corfficient" English translation, "fourier cosine transform" English translation, "fourier cosine transformation" English translation, "fourier decomposition" English translation, "fourier diffraction projection theorem" English translation, "fourier expa ion" English translation, "fourier expand" English translation, "fourier expansion" English translation, "fourier exponential transformation" English translation
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