[Retracted] Application Method of Environmental Protection Building Elements Based on Artificial Intelligence Technology in the Field of Urban Planning and Design

Algorithm 1

Urban parcel road generation algorithm. Road generation algorithm of urban land.

Input Initial environment , initial state

Output Round sample

1 Initialization round length t = 0

2 Initialize sample queue , status queue , feedback queue , value queue , policy queue

3 Initialize the current state , feedback , whether to terminate

4 for do

5  if then

6   break

7  else

8   Feature network extracts current state features

9   Update LSTM features .

10   Policy network output current policy distribution

11   Softmax layer selects the current action

12   Mask layer for feasibility rule test

13   Value network outputs current status value

14   Add to , to , to

15   Interact with the environment and update s,r,done=env(a)

16  end if

17 end for

18 return