@vladmandic/face-api/src/tinyYolov2/convWithBatchNorm.ts

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

import * as tf from '../../dist/tfjs.esm';

import { leaky } from './leaky';
import { ConvWithBatchNorm } from './types';

export function convWithBatchNorm(x: tf.Tensor4D, params: ConvWithBatchNorm): tf.Tensor4D {
  return tf.tidy(() => {
    let out = tf.pad(x, [[0, 0], [1, 1], [1, 1], [0, 0]]) as tf.Tensor4D;
    out = tf.conv2d(out, params.conv.filters, [1, 1], 'valid');
    out = tf.sub(out, params.bn.sub);
    out = tf.mul(out, params.bn.truediv);
    out = tf.add(out, params.conv.bias);
    return leaky(out);
  });
}