face-api.js/build/commonjs/faceRecognitionNet/residualLayer.js

JavaScript API for face detection and face recognition in the browser with tensorflow.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var tf = require("@tensorflow/tfjs-core");
var convLayer_1 = require("./convLayer");
function residual(x, params) {
    var out = convLayer_1.conv(x, params.conv1);
    out = convLayer_1.convNoRelu(out, params.conv2);
    out = tf.add(out, x);
    out = tf.relu(out);
    return out;
}
exports.residual = residual;
function residualDown(x, params) {
    var out = convLayer_1.convDown(x, params.conv1);
    out = convLayer_1.convNoRelu(out, params.conv2);
    var pooled = tf.avgPool(x, 2, 2, 'valid');
    var zeros = tf.zeros(pooled.shape);
    var isPad = pooled.shape[3] !== out.shape[3];
    var isAdjustShape = pooled.shape[1] !== out.shape[1] || pooled.shape[2] !== out.shape[2];
    if (isAdjustShape) {
        var padShapeX = tslib_1.__spreadArrays(out.shape);
        padShapeX[1] = 1;
        var zerosW = tf.zeros(padShapeX);
        out = tf.concat([out, zerosW], 1);
        var padShapeY = tslib_1.__spreadArrays(out.shape);
        padShapeY[2] = 1;
        var zerosH = tf.zeros(padShapeY);
        out = tf.concat([out, zerosH], 2);
    }
    pooled = isPad ? tf.concat([pooled, zeros], 3) : pooled;
    out = tf.add(pooled, out);
    out = tf.relu(out);
    return out;
}
exports.residualDown = residualDown;
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