Nearest neighbor should be corresponding to the 1x1 box filter. To my understanding bilinear may correspond to 2x2 convolution filter where 4 inputs sum to 1? In this case we can represent interpolation with weighted sum of the 4 nearest neighbors.
Nearest neighbor should be corresponding to the 1x1 box filter. To my understanding bilinear may correspond to 2x2 convolution filter where 4 inputs sum to 1? In this case we can represent interpolation with weighted sum of the 4 nearest neighbors.