Distinctive Image Features from Scale-Invariant Keypoints
标签： Scale-Invariant Distinctive Keypoints Features
上传时间： 2013-12-26
上传用户：黄华强
This paper introduces an affine Invariant of trapezia, and the explicit constraint equation between the intrinsic matrix of a camera and the similarity Invariants of a trapezium are established using the affine Invariant. By this constraint, the inner parameters, motion parameters of the cameras and the similarity Invariants of trapezia can be linearly determined using some prior knowledge on the cameras or the trapezia. The proposed algorithms have wide applicability since parallel lines are not rare in many scenes. Experimental results validate the proposed approaches. This work presents a unifying framework based on the parallelism constraint, and the previous methods based on the parallelograms or the parallelepipeds can be integrated into this framework. Key words: Invariant parallelism constraint camera calibration 3D reconstruction
标签： introduces constraint Invariant explicit
上传时间： 2014-01-16
上传用户：6546544
Degraded Image Analysis:An Invariant Approach一篇经典的关于不变矩的文章。
标签： Invariant Degraded Analysis Approach
上传时间： 2016-01-05
上传用户：ddddddos
A Matlab toolbox for exact linear time-Invariant system identification is presented. The emphasis is on the variety of possible ways to implement the mappings from data to parameters of the data generating system. The considered system representations are input/state/output, difference equation, and left matrix fraction. KEYWORDS: subspace identification, deterministic subspace identification, balanced model reduction, approximate system identification, MPUM.
标签： identification time-Invariant presented emphasis
上传时间： 2013-12-28
上传用户：wfl_yy
（1）ICCV1999 Object Recognition from Local Scale-Invariant Features.pdf提出（2）IJCV2004 Distinctive image features from scale Invariant keypoints.pdf总结（3）CVPR2004 PCA-SIFT：A More Distinctive Representation for Local Image Descriptors.pdf加PCA降维
标签： Scale-Invariant Distinctive Recognition Features
上传时间： 2013-12-27
上传用户：yepeng139
Robust Pose Invariant Facial Feature Detection and Tracking in Real-Time
标签： Invariant Detection Real-Time Tracking
上传时间： 2017-04-12
上传用户：gmh1314
A set of functions to calculate Hu s seven Invariant moments. Good accuracy. Written for my Project work
标签： functions calculate Invariant accuracy
上传时间： 2017-05-02
上传用户：yangbo69
Hu s Invariant moments, easy to undersy\tand
标签： Invariant moments undersy easy
上传时间： 2017-05-20
上传用户：stvnash
Affine Invariant moments
上传时间： 2017-05-20
上传用户：417313137
Affine Invariant moments using Graph method
标签： Invariant moments Affine method
上传时间： 2017-05-20
上传用户：ippler8
