Fourier descriptor
英
美 [ˈfʊrieɪ dɪˈskrɪptər]
网络 与傅立叶描绘子; 傅立叶描述子; 傅立叶描述符; 傅里叶描述; 傅立叶描绘子
双语例句
- Study on Auto-counting for Middle-distance Race Based on Fourier Descriptor
基于傅立叶描述子的中长跑自动计圈技术研究 - Shape Recognition Based on Fourier Descriptor of Moments
基于矩特征傅里叶描述的目标形状识别 - This paper proposes a new Fourier shape descriptor integrated with Principal Component Analysis ( PCA) and the Farthest Point Distance ( FPD).
提出一种将主成分分析（PCA）与最远点距离（FPD）相结合的二维形状傅里叶描述子。 - For each image sequence, cyclic width of gait analysis is performed to extract key frames, and Fourier descriptor is utilized to describe gait contour.
利用运动人体的宽高比的周期性变化来提取关键帧，并采用傅立叶描述子对关键帧步态轮廓进行分析和优化，构建特征矢量； - Extraction of Signal Characteristics of DC-DC Converter Based on Fourier Descriptor
傅里叶描述符法提取DC-DC变换器信号特征值 - Second, gray ratio, Fourier descriptor, circularity and roughness were selected through comparing the classification distance of all the features.
然后根据类间距对各个特征的分类能力进行评价，选出类间距较大的特征：灰度比、付里叶描述子、粗糙度和似圆度； - Fourier descriptor is an important method used in shape analysis and recognition.
傅立叶描述子是分析和识别物体形状的重要方法之一。 - By analyzing some typical contours of two dimensional images with Fourier descriptor and the R descriptor described in this paper respectively, the results obtained show that both the descriptors are of good recognizable performance.
对一些典型的二维图象的轮廓，分别用博利叶描绘子和本文所述的R描绘子进行分析，结果表明它们都具有较好的识别性能。 - Finally, based on the result of the feature select, gray ratio, Fourier descriptor and circularity were input to a three-layer Back Propagation ( BP) artificial neural network to distinguish the benign and malignant cases.
最后，在特征选择的基础上，先采用灰度比、似圆度和付里叶描述子作为BP人工神经网络的输入，进行良、恶性肿瘤的识别。 - Fourier Descriptor of Fruit Shape
水果形状的傅里叶描述子研究 - Technique based on shape identification is using geometry constants, fourier descriptor, wavelet descriptor and so on.
基于形状的鉴别主要有几何常量特征、傅立叶描述符和小波描述符等方法。 - Hand area is segmented based on skin color model, then the hand contour is described by use of Fourier descriptor.
基于皮肤颜色模型进行手势分割，并用傅里叶描述子描述轮廓。 - Multiscale Generic Fourier Descriptor for Gray Image Retrieval
基于多尺度通用傅里叶描述子的灰度图像检索 - For segmented target, Fourier descriptor is adopted.
对已分割的目标提取轮廓信息，采用傅立叶描述符描述。 - Imprint Recognition Method Based on Fourier Descriptor
Fourier描述符的印鉴识别方法 - In addition, this paper emphasizes the research of vehicle type classification, and presents a universal vehicle type classification scheme, and introduces Bayes decision-making theory and Fourier descriptor model into the classification algorithm.
设计了一种较为通用的车型分类方案，并针对该分类方案的特点将贝叶斯决策理论和傅立叶描述子模型引入到车型分类算法中。 - 2-dimensional Polar Fourier Descriptor Applying in Image Retrieval
一种二维极坐标傅里叶描述子在图像检索中的应用 - A Particle Shape Recognition Approach Based on the Fourier Descriptor
一种基于傅立叶描述符的颗粒图像形状识别方法 - An Improved Algorithm for Chinese Font Generation and Morphing Based on Fourier Descriptor
基于Fourier描述器的汉字字形生成及合成的改进算法 - Application of Polar Coordinate and Fourier Descriptor in Binary Trademark Images Retrieval
基于极坐标和傅里叶描述子的二值商标图像检索 - A Fourier descriptor based digital watermarking method is proposed for 2-dimensional Engineering drawings.
提出了一种基于傅立叶描述子的二维工程图的数字水印方法。 - The simulating recognition was made with different decomposing methods and CNR. ( 2) The range image target recognition algorithm based on Fourier descriptor was studied.
分别对不同分解方法和载噪比条件进行了仿真识别。（2）研究了基于傅立叶描述子的距离像目标识别算法。 - For the first time, Gabor+ 2DPCA feature extraction algorithm was used to extract the texture feature of the candidate in Traffic light recognition. This algorithm was compared with HU invariant moments feature extraction algorithms and Fourier descriptor feature extraction algorithms. 3.
首次在交通信号灯识别中，采用Gabor+2DPCA特征提取算法提取候选区域的纹理特征，并将此算法与HU不变距、傅立叶描述子特征提取算法进行对比分析。 - On this basis, combined with human visual characteristics, design color characteristics description methods based on HIS model and shape characteristics description methods based on Fourier descriptor operator.
在此基础上，结合人的视觉特点，设计了基于HIS模型的颜色特征描述方法以及基于傅立叶描述子的柑橘形状特征描述方法。 - The classification and retrieval experiment results show the superiority of our method over the classical Fourier descriptor, Zernike moments, invariant moments, and geometric center moments.
本文做了大量的形状群组的分类检索对比实验，实验结果表明相比经典的傅里叶描述子、Zernike矩、不变矩和几何中心矩，本文的方法具有明显的优势。 - To realize the test of different shapes of peanut, Fourier Descriptor and inverse Fourier Descriptor is used to describe the shape of peanut, it is found that the feature of fist thirteen Harmonic Changes can represent the main shape of peanut in the Fourier Descriptor.
为了实现对不同形状花生仁的检测，采用傅立叶变换与傅立叶反变换对描述花生仁形状，该傅立叶描述子前13个谐波的变化特性可以代表花生仁主要形状。 - Therefore, a feature extraction method which fusing the outline moment and the Fourier descriptor features is proposed.
为此，引入特征融合的思想，提出了融合轮廓矩和Fourier描述子的特征提取方法。 - At the level of traffic objects classification, this paper proposed three features: the average shifting area, the maximum shifting distance and the Fourier descriptor of the track. The classification was based on eight features and SVM ( Support Vector Machine).
在交通目标分类层面，提出基于交通轨迹分析的三类特征：最大偏移量、平均偏移距离和轨迹傅立叶算子，并在基于支持向量机的分类方法基础上，完成混合交通流交通目标分类。 - Many descriptors, such as, chain-code, Fourier descriptor, the curvature based descriptor.
描述轮廓的方法很多，如链码描述子、傅里叶描述子、曲率描述子等。 - At the same time, extract the image shape feature by invariant moment and Fourier descriptor, and get the similarity of image shape feature vector by improved Euclidean distance, then combining the two characteristics, thus get the visual characteristics of the image effectively.
同时，运用不变矩和傅立叶描述子算法提取出图像的形状特征，通过改进的欧式距离公式得到图像形状特征向量的相似距离，最后将两种特征相结合，从而有效地得到了图像的视觉特征。