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how to extract SIFT features from rgb image in matlab

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saber kazemi 2019-9-27

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https://ww2.mathworks.cn/matlabcentral/answers/482445-how-to-extract-sift-features-from-rgb-image-in-matlab

评论： saber kazemi 2019-9-28

Hello

I want to extract feature from a color image using SIFT descriptor.

I do not want to convert the image to grayscale and then extract SIFT features.

I want to directly SIFT features extracted from a color image. because color information is important for me.

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KALYAN ACHARJYA 2019-9-27

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https://ww2.mathworks.cn/matlabcentral/answers/482445-how-to-extract-sift-features-from-rgb-image-in-matlab#answer_393835

编辑：KALYAN ACHARJYA 2019-9-27

Have you checked here ?

Also you can look on this custom function also.

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saber kazemi 2019-9-28

https://www.mathworks.com/matlabcentral/mlc-downloads/downloads/submissions/29800/versions/3/previews/reco_toolbox/html/demo_denseSIFT.html

above link is demo and just show result and did not help

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https://in.mathworks.com/matlabcentral/fileexchange/50319-sift-feature-extreaction

and above link extract features from grayscale image and did not help

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类别

Image Processing and Computer Vision Computer Vision Toolbox Feature Detection and Extraction Local Feature Extraction SIFT - Scale Invariant Feature Transform

在 Help Center 和 File Exchange 中查找有关 SIFT - Scale Invariant Feature Transform 的更多信息

标签

产品

Image Processing Toolbox

版本

R2018b

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