Signal Processing
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Nagabhushan S N

PhD Student at IISc

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5 Why should an image be blurred using a Gaussian Kernel before downsampling? Oct 20 '18
4 Why can't a causal digital filter have an infinitely sharp transition between the passband and the stopband? Dec 26 '17
3 For a system to be causal, number of finite zeros <= number of finite poles. Why? Dec 26 '17
3 How does DCT decorrelate images? Jul 2
1 Where to place origin when warping an image using 3D rotation and translation? 2 days ago
1 Dataset suggestion: video dataset with accurate depth and pose info 2 days ago
0 Why does White Noise in images imply noise in adjacent pixels are independent? Feb 5 '19

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