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Results tagged with Search options user 38383

This tag covers signal processing where input is an image, such as a photograph or video frame and the output could be an improved or altered image, parameters related to the image or information about features within the image.

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In our computer vision course, my professor said we can reconstruct the original image from the Laplacian pyramid. It just feels to me that information is lost after doing subsampling and upsampling … . Is it possible? If so, why? Are the reconstructed image exactly the same as the original pixel by pixel? And is this answer correct? Generate Laplacian pyramid $(f_2, h_1, h_0)$ from image $f_0$: Reconstruct $f_0$ from Laplacian pyramid: source …
asked Nov 30 '18 by johan