code: public static void histogram( GrayU16 input , int minValue , int histogram[] ) {
  		if( BoofConcurrency.USE_CONCURRENT ) {
  			ImplImageStatistics_MT.histogram(input,minValue,histogram);
  		} else {
  			ImplImageStatistics.histogram(input,minValue,histogram);
  		}
  	}
docs: Computes the histogram of intensity values for the image.
  
  @param input (input) Image.
  @param minValue (input) Minimum possible intensity value
  @param histogram (output) Storage for histogram. Number of elements must be equal to max value.