face-api/build/ssdMobilenetv1/predictionLayer.js

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2020-08-26 00:24:48 +02:00
import * as tf from '@tensorflow/tfjs-core';
import { boxPredictionLayer } from './boxPredictionLayer';
import { pointwiseConvLayer } from './pointwiseConvLayer';
export function predictionLayer(x, conv11, params) {
return tf.tidy(() => {
const conv0 = pointwiseConvLayer(x, params.conv_0, [1, 1]);
const conv1 = pointwiseConvLayer(conv0, params.conv_1, [2, 2]);
const conv2 = pointwiseConvLayer(conv1, params.conv_2, [1, 1]);
const conv3 = pointwiseConvLayer(conv2, params.conv_3, [2, 2]);
const conv4 = pointwiseConvLayer(conv3, params.conv_4, [1, 1]);
const conv5 = pointwiseConvLayer(conv4, params.conv_5, [2, 2]);
const conv6 = pointwiseConvLayer(conv5, params.conv_6, [1, 1]);
const conv7 = pointwiseConvLayer(conv6, params.conv_7, [2, 2]);
const boxPrediction0 = boxPredictionLayer(conv11, params.box_predictor_0);
const boxPrediction1 = boxPredictionLayer(x, params.box_predictor_1);
const boxPrediction2 = boxPredictionLayer(conv1, params.box_predictor_2);
const boxPrediction3 = boxPredictionLayer(conv3, params.box_predictor_3);
const boxPrediction4 = boxPredictionLayer(conv5, params.box_predictor_4);
const boxPrediction5 = boxPredictionLayer(conv7, params.box_predictor_5);
const boxPredictions = tf.concat([
boxPrediction0.boxPredictionEncoding,
boxPrediction1.boxPredictionEncoding,
boxPrediction2.boxPredictionEncoding,
boxPrediction3.boxPredictionEncoding,
boxPrediction4.boxPredictionEncoding,
boxPrediction5.boxPredictionEncoding
], 1);
const classPredictions = tf.concat([
boxPrediction0.classPrediction,
boxPrediction1.classPrediction,
boxPrediction2.classPrediction,
boxPrediction3.classPrediction,
boxPrediction4.classPrediction,
boxPrediction5.classPrediction
], 1);
return {
boxPredictions,
classPredictions
};
});
}
//# sourceMappingURL=predictionLayer.js.map