60 lines
1.7 KiB
TypeScript
60 lines
1.7 KiB
TypeScript
|
import * as tf from '@tensorflow/tfjs-core';
|
||
|
|
|
||
|
|
import { FaceDetection, Point } from '../classes';
|
||
|
|
import { ParamMapping } from '../common/types';
|
||
|
|
import { TNetInput } from '../dom/types';
|
||
|
|
import {
|
||
|
|
BOX_ANCHORS,
|
||
|
|
BOX_ANCHORS_SEPARABLE,
|
||
|
|
DEFAULT_MODEL_NAME,
|
||
|
|
DEFAULT_MODEL_NAME_SEPARABLE_CONV,
|
||
|
|
IOU_THRESHOLD,
|
||
|
|
MEAN_RGB_SEPARABLE,
|
||
|
|
} from './const';
|
||
|
|
import { TinyYolov2Base } from './TinyYolov2Base';
|
||
|
|
import { ITinyYolov2Options } from './TinyYolov2Options';
|
||
|
|
import { TinyYolov2NetParams } from './types';
|
||
|
|
|
||
|
|
export class TinyYolov2 extends TinyYolov2Base {
|
||
|
|
|
||
|
|
constructor(withSeparableConvs: boolean = true) {
|
||
|
|
const config = Object.assign({}, {
|
||
|
|
withSeparableConvs,
|
||
|
|
iouThreshold: IOU_THRESHOLD,
|
||
|
|
classes: ['face']
|
||
|
|
},
|
||
|
|
withSeparableConvs
|
||
|
|
? {
|
||
|
|
anchors: BOX_ANCHORS_SEPARABLE,
|
||
|
|
meanRgb: MEAN_RGB_SEPARABLE
|
||
|
|
}
|
||
|
|
: {
|
||
|
|
anchors: BOX_ANCHORS,
|
||
|
|
withClassScores: true
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
super(config)
|
||
|
|
}
|
||
|
|
|
||
|
|
public get withSeparableConvs(): boolean {
|
||
|
|
return this.config.withSeparableConvs
|
||
|
|
}
|
||
|
|
|
||
|
|
public get anchors(): Point[] {
|
||
|
|
return this.config.anchors
|
||
|
|
}
|
||
|
|
|
||
|
|
public async locateFaces(input: TNetInput, forwardParams: ITinyYolov2Options): Promise<FaceDetection[]> {
|
||
|
|
const objectDetections = await this.detect(input, forwardParams)
|
||
|
|
return objectDetections.map(det => new FaceDetection(det.score, det.relativeBox, { width: det.imageWidth, height: det.imageHeight }))
|
||
|
|
}
|
||
|
|
|
||
|
|
protected getDefaultModelName(): string {
|
||
|
|
return this.withSeparableConvs ? DEFAULT_MODEL_NAME_SEPARABLE_CONV : DEFAULT_MODEL_NAME
|
||
|
|
}
|
||
|
|
|
||
|
|
protected extractParamsFromWeigthMap(weightMap: tf.NamedTensorMap): { params: TinyYolov2NetParams, paramMappings: ParamMapping[] } {
|
||
|
|
return super.extractParamsFromWeigthMap(weightMap)
|
||
|
|
}
|
||
|
|
}
|