Deep Learning, Artificial Intelligence, Convolutional Network, Jpeg, Image Compression.
from an image needs to be quantized to one of the 16 one-hot vectors C = {c1, c2, …, c16} ∈ B¹⁶. In the forward pass, x is quantized as the nearest one-hot vector: In backward pass, the above equation is approximated by the soft quantization to ensure the back propagation: where σ = 1 in this