docs: public static InterleavedU8 convert( Planar<GrayU8> input , InterleavedU8 output ) {
  		if (output == null) {
  			output = new InterleavedU8(input.width, input.height,input.getNumBands());
  		} else {
  			output.reshape(input.width,input.height,input.getNumBands());
  		}
  
  		if( BoofConcurrency.USE_CONCURRENT ) {
  			ImplConvertImage_MT.convert(input,output);
  		} else {
  			ImplConvertImage.convert(input,output);
  		}
  
  		return output;
  	}