A New Type of Eye Movement Model Based on Recurrent Neural Networks for Simulating the Gaze Behavior of Human Reading

Algorithm 1

The model training procedure.

(1) for epoch in epochs:

(2)   for batch in batchs:

(3)  (1) bi-LSTM model forward pass:

(4)     forward pass for forward state LSTM

(5)     forward pass for backward state LSTM

(6)  (2) CRF layer forward and backward pass

(7)  (3) bi-LSTM model backward pass:

(8)     backward pass for forward state LSTM

(9)     backward pass for backward state LSTM

(10)  (4) update parameters