proctor-ai-sdk/src/face/faceMatcher.js

A powerful SDK for preventing cheating during online exams using face detection, voice detection, and tab monitoring.

//⬅️ Match with reference face

import * as faceapi from "face-api.js";

let referenceDescriptor = null;

export const setReferenceFace = async (imageElement) => {
  const result = await faceapi
    .detectSingleFace(imageElement)
    .withFaceLandmarks()
    .withFaceDescriptor();

  if (result) {
    referenceDescriptor = result.descriptor;
    return true;
  }
  return false;
};

export const compareFaces = async (imageElement, threshold = 0.5) => {
  if (!referenceDescriptor) return false;
  const result = await faceapi
    .detectSingleFace(imageElement)
    .withFaceLandmarks()
    .withFaceDescriptor();
  if (!result) return false;

  const distance = faceapi.euclideanDistance(referenceDescriptor, result.descriptor);
  return distance < threshold;
};