t-BMPNet: Trainable Bitwise Multilayer Perceptron Neural Network over Fully Homomorphic Encryption Scheme

Figure 8

Example of division—dividend and —for the input length 8-bit. (a) Encode, encrypt, and absolute value operation of x = 4:5 and y = −2. (b) Iterative steps in the binary division process (: HE.Compare). (c) Rescaling of ct.w to obtain ct.r at iteration step . (d) Process of considering signs of the inputs and .

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