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Image scaling can be interpreted as a form of image resampling or image reconstruction from the view of the Nyquist sampling theorem.According to the theorem, downsampling to a smaller image from a higher-resolution original can only be carried out after applying a suitable 2D anti-aliasing filter to prevent aliasing artifacts.
After the Ball received a positive review from the historian Jonathan Kirsch in the Los Angeles Times.Kirsch described the book as "a curious call to the story boards and 30-second spots of Madison Avenue, a kind of sanitized upscale media radicalism", and noted that its authors admitted that they advocated propaganda.
An enlargement of a small section of a 1024x768 (VESA XGA) resolution image; the individual pixels are more visible in its scaled form than its normal resolution.A video scaler is a system that converts video signals from one display resolution to another; typically, scalers are used to convert a signal from a lower resolution (such as 480p standard definition) to a higher resolution (such as ...
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Simple Fourier based interpolation based on padding of the frequency domain with zero components (a smooth-window-based approach would reduce the ringing).Beside the good conservation of details, notable is the ringing and the circular bleeding of content from the left border to right border (and way around).
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Direct methods estimate motion between frames, upscale a reference frame, and warp neighboring frames to the high-resolution reference one. To construct result, these upscaled frames are fused together by median filter , [ 15 ] weighted median filter, [ 16 ] adaptive normalized averaging, AdaBoost classifier [ 17 ] or SVD based filters.
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