Images as Data
Spectral analysis is a method used to analyze the frequency content of signals, often applied in the context of image processing to understand how different frequencies contribute to an image's overall appearance. This technique allows for the transformation of data from the spatial domain to the frequency domain, revealing essential information about patterns and textures that may not be easily visible in the original data. By examining the frequency components, spectral analysis helps identify dominant features and facilitates various applications such as filtering and compression.
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