提取特征,筛选检测器
我对 Andrea Vedaldi 算法的实现有点困惑。我正在尝试使用工具箱的算法筛选来提取特征。
我正在使用这个命令 [frames,descriptors] = sift(image, 'Verbosity', 1);所以我得到了 4xk 矩阵的帧和 128xK 的描述符。我想使用向量作为特征。我应该使用两个矩阵中的哪一个作为特征?有谁有想法吗?
I m little confused about Andrea Vedaldi implementation of the algorithm. I m trying to extract features with the algorithm sift of the toolbox.
I m using this command [frames,descriptors] = sift(image, 'Verbosity', 1); so I ve got the frames which is 4xk matrix and the descriptors which is 128xK. I want to use a vector as a feature. Which of the two matrices should i use as a feature? Has anyone idea?
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描述符是您为了确定匹配而进行比较的内容。
您现在拥有两个图像之间匹配特征的矩阵。
要可视化结果,请将以下行添加到上面的
Vedaldi 报告中,可以在 此处< /a>.
The descriptors are what you compare in order to determine matches.
You now have a matrix of matched features between the two images.
To visualize the results add the following line to the above
Vedaldi's report can be found here.