sparse adj. 1.(树木分布等)稀的;(交通车辆等)稀疏的。 2.(人口、毛发等)稀少的。 3.(雨量)稀缺的;瘦小的。 sparse beard 稀疏的胡须。 a country of sparse population 人口稀少的小国。 n. -sity ,-ly adv.,-ness n.
In the development of neural network ? s architectures, a sparse coding is put forward 在结构设计中,提出了稀疏化的编码方法。
Thus, the recognition performance of sparse coding is better than traditional eigenface-based methods 稀疏编码能够增加图像特征的类间距离,因此效果要优于传统的特征脸方法。
2 . based on the energy distribution of facial image, a dct-based sparse coding method is proposed to reduce the computational complexity of the original sparse coding 2.为了减少稀疏编码的计算复杂度,利用人脸图像能量分布的特点,提出了一种基于dct变换的加速算法。
2 . based on the energy distribution of facial image, a dct-based sparse coding method is proposed to reduce the computational complexity of the original sparse coding 2.为了减少稀疏编码的计算复杂度,利用人脸图像能量分布的特点,提出了一种基于dct变换的加速算法。
In this dissertation, the method of sparse coding shrinkage based on independent component analysis is proposed to reduce speckle in polarimetric sar images 本文将独立分量分析的噪声模型引入到极化sar系统的图像处理中,结合基于独立分量分析的稀疏编码收缩算法进行极化sar图像相干斑抑制。
Qingyong li; zhiping shi; zhongzhi shi; siwei luo . a selective sparse coding model with embedded attention mechanism . international journal of cognitive informatics and natural intelligence . accepted 施智平,李清勇,史俊,史忠植.集成低层特征和语义信息的相关反馈方法.计算机辅助设计与图形学学报.已录用
3 . since traditional sparse coding does not consider the intra-class variations of the features, two new sparse coding algorithms based on reinforcement learning are proposed to increase the classification property of the features 3.针对传统稀疏编码未对特征的类内距离进行有效约束这个缺点,提出了两种基于再励学习的稀疏编码算法。
3 . since traditional sparse coding does not consider the intra-class variations of the features, two new sparse coding algorithms based on reinforcement learning are proposed to increase the classification property of the features 3.针对传统稀疏编码未对特征的类内距离进行有效约束这个缺点,提出了两种基于再励学习的稀疏编码算法。
The main content of this dissertation can be summarized as follow : 1 . a global image feature extraction method based on sparse coding is proposed to extract the feature of human facial images 本论文重点研究了人脸及表情的特征提取与识别问题,论文的主要创新点包括以下几个方面:1.在人脸图像特征提取方面,提出了一种基于稀疏编码的人脸整体特征提取方法。
According to the characteristics that limited dynamic range of images taken in dense fog, dynamic range stretch as a global enhancement method is used . in order to reduce the effect of noise it brings, sparse coding is adopted 大雾天气下的图像由于其本身灰度范围有限的特点,采用动态范围拉伸的方法进行全局增强,并对其增强后出现的噪声干扰问题利用稀疏编码技术给予解决。