Function blobFromImageAsync

blobFromImageAsync(
    image: Mat,
    scaleFactor?: number,
    size?: Size,
    mean?: Vec3,
    swapRB?: boolean,
    crop?: boolean,
    ddepth?: number,
): Promise<Mat>

blobFromImageAsync(
    image: Mat,
    opts: {
        crop?: boolean;
        ddepth?: number;
        mean?: Vec3;
        scaleFactor?: number;
        size?: Size;
        swapRB?: boolean;
    },
): Promise<Mat>