code: public static float maxAbs( InterleavedF32 input ) {
  		if( BoofConcurrency.USE_CONCURRENT ) {
  			return ImplImageStatistics_MT.maxAbs(input.data, input.startIndex, input.height, input.width*input.numBands , input.stride);
  		} else {
  			return ImplImageStatistics.maxAbs(input.data, input.startIndex, input.height, input.width*input.numBands , input.stride);
  		}
  	}
docs: Returns the maximum element value.
  
  @param input Input image. Not modified.
  @return Maximum pixel value.