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- We design a new feature extraction method that generates rotation and translation invariant features and use the Procrustes algorithm to find the key substructures which are denoted by radicals. 摘要:蛋白质结构的分析及排列是一个在生物学及医学上有著重要的应用而受到广泛大众重视的研究领域。
- invariant feature extraction 不变特征提取
- However, the large number of local invariant feature keypoints extract by the SITF poses a scalability problem in the matching stage as the number of images to be matched increases. 然而，大量的特徵点对辨识阶段将是一个重要的问题，影像的匹配会因为影像的数量而增加。
- Feature extraction is a basic problem in pattern recognition. 特征提取是模式识别的基本问题。
- In chapter 4, feature extraction with DSG is introduced. 第四章介绍了使用DSG方法分解 特征模型。
- Line-edge feature extraction based on ergodic block[J]. 引用该论文 ZHANG Jian-wei;ZHANG Qi-heng.
- This paper proposes an affine invariant feature construction method, and fulfills automatic registration of aerial image sequence using this feature. 提出一种仿射不变特征的构造方法对航空图像序列进行全自动配准。
- A target feature extraction and tracking method using Gabor wavelet[J]. 引用该论文 林明秀;董学志;宋建中.
- Fingerprint matchingincludes feature extraction, feature code and minutiae matching. 指纹特征匹配包括指纹特征提取，特征编码以及特征匹配等。
- An ameliorate approach method of image character feature extraction based on wavelet multi-scale analysis and entropy. 基于小波多尺度和熵在图像字符特征提取方法的改进。
- Histogram of LDP operators is used as gray scale, translation and rotation invariant features for texture classification. 局部差分模式直方图可作为光照、平移、旋转不变性特征用于不变性纹理分类。
- A method of textural feature extraction from mammogram based on GLCM is proposed in this paper. 文中提出了基于灰度共生矩阵的乳腺X照片纹理特征提取方法。
- The local invariant features have been widely used in the Digital Right Management (DRM) applications and in the image recognition applications. 尺寸不变性特徵点在数位版权管理中的浮水印及影像辨识的领域中已经是被广泛使用的方法。
- In pattern recognition and in image processing, Feature extraction is a special form of dimensionality reduction. 在模式识别和图像处理领域中，特征提取是一种特殊的维数降阶的形式。
- Feature extraction is the difficulty of handwritten chinese character recognition. 特征提取是手写体汉字识别的一个研究难点。
- Feature extraction is the key part of handwritten chinese character recognition. 特征提取是手写体汉字识别的关键环节。
- Two different feature extraction methods,PCA and DCT,are applied to show their effects on the result. 文中使用了两种不同的方法进行图像的特征提取,它们是主元分析法和离散余弦变换法,结果显示,不同的特征提取方法对训练分类的结果会产生一定影响。
- SIFT (Scale Invariant Feature Transform) SIFT
- Linear Discriminant Analysis (LDA) is one of the most popular linear classification techniques for feature extraction. 线性判别分析(LDA)是一种较为普遍的用于特征提取的线性分类方法。
- Radar High-Resolution Range Profile (HRRP) is very sensitive to time-shift;therefore, HRRP-based Radar Automatic Target Recognition (RATR) requires efficient time-shift invariant features. 针对雷达自动目标识别(RATR)中高分辨距离像(HRRP)的平移敏感性，从HRRP中提取出一种新的距离像平移不变特征：距离像幅度谱差分。
