Please explain this code thoroughly. By the way, our project is about "Vehicle Detection, Tracking, and Counter System"

import cvi import numpy a.5 np 4) Video to be captared CODE/Code/vidnon/video. mp4 " 1 If Poation of the line where the counter starta cotmt_line positionmesto i) Setting the minimum length and width ot the object to be decected nim width Foect=100 min height Renct =B0 max height, Feect =400 max width Fuct =300 If Lista the detected object detecti= [] 1i. Determinen the altownble error betwen. pixnd ottmeta 4 if staten tho starting walue for the countor counter=0 If Detines the controid at the objent det oenter handle {x,y,w,h)= x1=int(w/2) y1=int(h/2) cx+x+x1 ay=y2+y1 return CxicY Hintialize subcractor al goacv2. bgsegm, createBackgroundsubtractormoc (history=100) ilcrenten loop tor the systen to rend the vidno trame per frame wht 10 (True): ret, framencap. read \ HConverta each frame into gray grey=cv2. cvtColor \{frume, cVz. COIOR, BCRZGRIY\} ilRppling gaussian bluF into the trane bluracv2, Gauna ianBlur { grey, {3,5},5} Areplian the aubtractor to the trame, romoving the background aubtractanigo, apply/hur] indlates the bacieground; fnereasing the thicimese of the object dilatacv2. dilate1subtract, np , ones (5,5))} BDotines the kernel and oloses the 1mage kernel acv 2 , getstructurtngElenent (cv2, MORPH ETT.TPS, 5,5)) dilatadwev2, morphologyEx (dilat, cvi. MORFH cTosE, kerna1) dilatadancv2. morphologyEx (dt1atad, cv2, MOEFH,CTOSE, kermel) MDeterminna the contolars of the object to ho -detnctnd Countorshape, hmcvZ. findContoura1dilatada, CV2,RETR. TFFE, CV2. CHMIN_MPeROX_S IMPL.E.)