Nodejs downloads still image from hikvision nvr

hikvision.js

// nodejs script for downloading still images from hikvision nvr
// uses request-digest for basic http authenticatication
//
// Still images are available at this url:
//   http://192.168.1.130/ISAPI/Streaming/channels/200/picture?videoResolutionWidth=1920&videoResolutionHeight=1080

var digestRequest = require('request-digest')('user', 'password');
var fs = require('fs');

var cam = 3;

digestRequest.request({
  host: 'http://192.168.1.130',
  path: '/ISAPI/Streaming/channels/'+cam+'00/picture?videoResolutionWidth=1920&videoResolutionHeight=1080',
  port: 80,
  method: 'GET',
  encoding:'binary'
}, function (error, response, body) {
  if (error) {
    throw error;
  } 
  fs.writeFileSync('cam' + cam + '.jpeg', body, 'binary')
})

hi, can you help me ?with a project using ISAPI for face detection and face register in a express api

no, but this piece of code is a good starting point