GEE: Use Roberts operator convolution kernel for image convolution operation

Author:CSDN @ _养乐多_

This article will delve into a classic algorithm in edge detection, namely Roberts operator convolution. We will introduce the basic principles of this algorithm and demonstrate how to apply the Roberts operator for image convolution in Google Earth Engine. Taking the NDVI of the test area as an example, the true color image, NDVI image and convolution results of the research area are as follows:

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1. Roberts operator convolution

The convolution kernel of Roberts operator convolution is as follows. For detailed introduction, please refer to "Remote Sensing Digital Image Processing Tutorial (Third Edition), Wei Yuchun, Tang Guoan...".

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