...let; global features; local features; classifier integration [gap=935]关键词 : 人脸识别;傅里叶变换;Gabor小波;全局特征;局部特征;分类器集成 ...
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: 表3.1 使用者签名正规化前后情形 3.2特征萃取 文字特征通常可分为全域特征(global Feature)、区域特征( local feature )及结构特征(structural feature)。
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global feature measure [计] 整体特征度量
Semi-global feature 半全局特征
dynamic global feature 动态全局特征
global feature of corner 角点全局特征
local and global feature 局部和全局特征
Global shape feature 整体形状特征
global movement feature 整体运动特征
Global structure feature 全局结构特征
Local elements are grouped into a meaning global feature according to contextual information, thus allowing them emerge from their backgrounds.
通过上下文的相互作用将局部成分整合成一个有意义的全局特征并从背景中突出。
参考来源 - 基于初级视皮层感知机制的轮廓与边界检测·2,447,543篇论文数据,部分数据来源于NoteExpress
The proposed method extracts global feature of patterns, thus the difficulty during choosing eigen-quantity can be effectively avoided.
该方法提取模式的整体特征,可有效避免选取特征量时的困难。
Local elements are grouped into a meaning global feature according to contextual information, thus allowing them emerge from their backgrounds.
通过上下文的相互作用将局部成分整合成一个有意义的全局特征并从背景中突出。
But the traditional PCA is influenced by the light condition and the variety of facial expression because it extracts the global feature of the image.
PCA是最成功的线性鉴别方法之一,但传统的PC A方法提取的是图像的全局特征,受光照条件和人脸表情变化影响比较大。
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