ocr: - - X - X - . - 1 - - Y - 4 L T - - - - . F - - - - - - - 1 - - Fo - - - * - - - - - - - - 1/ - IN NEURAL NET-BASED IMAGE PROCESSING, values in the mask feed into the input layer of a neural network. The neural network uses these values to derive a value for the processing unit at the output layer. This value is assigned to the target pixel, T.