face-api/src/tinyYolov2/config.ts

55 lines
1.7 KiB
TypeScript

import { Point } from '../classes/Point';
export type TinyYolov2Config = {
withSeparableConvs: boolean
iouThreshold: number
anchors: Point[]
classes: string[]
meanRgb?: [number, number, number]
withClassScores?: boolean,
filterSizes?: number[]
isFirstLayerConv2d?: boolean
}
const isNumber = (arg: any) => typeof arg === 'number'
export function validateConfig(config: any) {
if (!config) {
throw new Error(`invalid config: ${config}`)
}
if (typeof config.withSeparableConvs !== 'boolean') {
throw new Error(`config.withSeparableConvs has to be a boolean, have: ${config.withSeparableConvs}`)
}
if (!isNumber(config.iouThreshold) || config.iouThreshold < 0 || config.iouThreshold > 1.0) {
throw new Error(`config.iouThreshold has to be a number between [0, 1], have: ${config.iouThreshold}`)
}
if (
!Array.isArray(config.classes)
|| !config.classes.length
|| !config.classes.every((c: any) => typeof c === 'string')
) {
throw new Error(`config.classes has to be an array class names: string[], have: ${JSON.stringify(config.classes)}`)
}
if (
!Array.isArray(config.anchors)
|| !config.anchors.length
|| !config.anchors.map((a: any) => a || {}).every((a: any) => isNumber(a.x) && isNumber(a.y))
) {
throw new Error(`config.anchors has to be an array of { x: number, y: number }, have: ${JSON.stringify(config.anchors)}`)
}
if (config.meanRgb && (
!Array.isArray(config.meanRgb)
|| config.meanRgb.length !== 3
|| !config.meanRgb.every(isNumber)
)) {
throw new Error(`config.meanRgb has to be an array of shape [number, number, number], have: ${JSON.stringify(config.meanRgb)}`)
}
}