2015
DOI: 10.1109/tcsii.2015.2456531
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A Hardware-Efficient Sigmoid Function With Adjustable Precision for a Neural Network System

Abstract: Abstract-A hardware-efficient sigmoid function calculator with adjustable precision for neural network and deep learning applications is proposed in this paper. By adopting the bit-plane format of the input and output value, the computational latency of the processing time can be dynamically reduced according to the user configuration. To reduce the hardware cost, the coefficients used to calculate the sigmoid value can be shared for multiple calculators without any structural hazard. And the restricted const… Show more

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Cited by 63 publications
(25 citation statements)
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“…In this work, we have deliberately restricted ourselves to systems that split the input space via clear-cut binary decisions. Naturally, a new degree of freedom is unlocked if we move away from the simple McCulloch-Pitts-like step activation function and into different functions such as ReLU [18], sigmoids [19] etc. However, this would require the development of (ideally very simple) read-out structures that modularly attach to the output of the circuits shown in Figs.…”
Section: Resultsmentioning
confidence: 99%
“…In this work, we have deliberately restricted ourselves to systems that split the input space via clear-cut binary decisions. Naturally, a new degree of freedom is unlocked if we move away from the simple McCulloch-Pitts-like step activation function and into different functions such as ReLU [18], sigmoids [19] etc. However, this would require the development of (ideally very simple) read-out structures that modularly attach to the output of the circuits shown in Figs.…”
Section: Resultsmentioning
confidence: 99%
“…One of the functions that has an S-shaped curve is known as sigmoid function. It is widely used in artificial neural network to introduce the nonlinearity model [6][7][8] and backpropagation learning [9]. It has also been used to predict and make some decision making on how much money can be saved based on the amount available in the current account balance [10].…”
Section: S-shaped Curve As a Tool For Predictionmentioning
confidence: 99%
“…In this paper, the neural network uses back propagation algorithm, also known as BP algorithm [1] [2].…”
Section: Overview Of Bp Neural Networkmentioning
confidence: 99%