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What is NIR/Red Ratio and Image Filtering Analysis about?

The document discusses the analysis of near-infrared and red band ratios to interpret vegetation and water reflections, with high brightness indicating vegetation and low brightness indicating water. It also compares the effects of 3x3 and 7x7 low-pass filters on image blurriness, concluding that the 7x7 filter results in a blurrier image due to its larger window size. Additionally, it describes the enhancement of edges and textures using 3x3 Laplacian and Sobel filters, noting differences in edge definitio

Author

hhh

Language

EN