@vladmandic/face-api/src/ops/minBbox.ts

FaceAPI: AI-powered Face Detection & Rotation Tracking, Face Description & Recognition, Age & Gender & Emotion Prediction for Browser and NodeJS using TensorFlow/JS

import { BoundingBox, IPoint } from '../classes/index';

export function minBbox(pts: IPoint[]): BoundingBox {
  const xs = pts.map((pt) => pt.x);
  const ys = pts.map((pt) => pt.y);
  const minX = xs.reduce((min, x) => (x < min ? x : min), Infinity);
  const minY = ys.reduce((min, y) => (y < min ? y : min), Infinity);
  const maxX = xs.reduce((max, x) => (max < x ? x : max), 0);
  const maxY = ys.reduce((max, y) => (max < y ? y : max), 0);

  return new BoundingBox(minX, minY, maxX, maxY);
}