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Filtering in Remote Sensing. Convolution. Edge enhancement. Low pass filter and High-pass filter

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Edge detection is a common technique used in remote sensing to identify and extract the boundaries or edges of objects in an image. This can be useful for identifying changes in land cover, detecting features such as roads or buildings, and improving the overall interpretation and classification of an image. Edge detection algorithms typically use mathematical techniques to identify abrupt changes in pixel values within an image. These changes may indicate the presence of an edge or boundary between two distinct objects or areas. Edge detection is an important tool in remote sensing for a number of reasons. It can be used to identify objects or features in an image, such as roads, buildings, or vegetation. It can also be used to improve image classification by highlighting important features that may not be easily visible in the raw data. Additionally, edge detection can be used to improve image registration and mosaicking, by providing a common reference point for aligning multiple im...
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