public IImage <CMYK> Downsample() => ImageBase.Downsample(this, Generate);
public IImage <bool> Downsample() => ImageBase.Downsample(this, BinaryImage.Generate);
public IImage <double> Downsample() => ImageBase.Downsample(this, Generate);
public IImage<BGRA> Downsample() => ImageBase.Downsample(this, BgraImage.Generate);