Huffman Encoding

There are four unique values in the grayscale image in Figure $1$, so let’s give each one a variable length code 0, 1, 001, 11, as shown in Table 1. How did we assign these codes? We’ll discuss this a bit later in the lesson. On average, the required amount of storage would be 0.145 $\times$ 1 $+$ 0.400 $\times$ 1 $+$ ...