How to use boofcv.alg.misc

private T ensureMaxValueOfOne(T input, double maxPixelValue) {
  T adjusted;
  if( maxPixelValue < 0 ) {
    maxPixelValue = GImageStatistics.max(input);
  }
  if( maxPixelValue != 1.0f ) {
    adjusted = this.adjusted;
    GPixelMath.divide(input, maxPixelValue, adjusted);
  } else {
    adjusted = input;
  }
  return adjusted;
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static int maxAbs( GrayS8 input ) {
  return maxAbs( input.data, input.startIndex, input.height, input.width , input.stride );
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static int max( GrayS32 input ) {
  return max( input.data, input.startIndex, input.height, input.width , input.stride );
}

/**
 * Returns the mean pixel intensity value.
 * 
 * @param img Input image.  Not modified.
 * @return Mean pixel intensity value
 */
public static float mean( GrayF32 img ) {
  return sum(img)/(float)(img.width*img.height);
}

/**
 * Computes the variance of pixel intensity values for a GrayU8 image represented by the given histogram.
 *
 * @param histogram Histogram with N bins
 * @param mean Mean of the image.
 * @param N number of bins in the histogram.
 * @return variance
 */
public static double variance(int[] histogram, double mean , int N ) {
  return variance(histogram, mean, count(histogram,N), N);
}

/**
 * Returns the minimum element value.
 * 
 * @param input Input image. Not modified.
 * @return Minimum pixel value.
 */
public static int min( InterleavedS8 input ) {
  return min( input.data, input.startIndex, input.height, input.width*input.numBands , input.stride );
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static int max( GrayU16 input ) {
  return maxU( input.data, input.startIndex, input.height, input.width , input.stride );
}

/**
 * Returns the minimum element value.
 * 
 * @param input Input image. Not modified.
 * @return Minimum pixel value.
 */
public static int min( GrayU16 input ) {
  return minU( input.data, input.startIndex, input.height, input.width , input.stride );
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static int maxAbs( InterleavedU8 input ) {
  return maxAbsU( input.data, input.startIndex, input.height, input.width*input.numBands , input.stride );
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static int maxAbs( InterleavedS16 input ) {
  return maxAbs( input.data, input.startIndex, input.height, input.width*input.numBands , input.stride );
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static float max( InterleavedF32 input ) {
  return max( input.data, input.startIndex, input.height, input.width*input.numBands , input.stride );
}

/**
 * Returns the mean pixel intensity value.
 * 
 * @param img Input image.  Not modified.
 * @return Mean pixel intensity value
 */
public static double mean( InterleavedF64 img ) {
  return sum(img)/(double)(img.width*img.height*img.numBands);
}

/**
 * Returns the minimum element value.
 * 
 * @param input Input image. Not modified.
 * @return Minimum pixel value.
 */
public static int min( GrayS32 input ) {
  return min( input.data, input.startIndex, input.height, input.width , input.stride );
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static int max( InterleavedU8 input ) {
  return maxU( input.data, input.startIndex, input.height, input.width*input.numBands , input.stride );
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static long maxAbs( InterleavedS64 input ) {
  return maxAbs( input.data, input.startIndex, input.height, input.width*input.numBands , input.stride );
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static int max( InterleavedS32 input ) {
  return max( input.data, input.startIndex, input.height, input.width*input.numBands , input.stride );
}

/**
 * Returns the mean pixel intensity value.
 * 
 * @param img Input image.  Not modified.
 * @return Mean pixel intensity value
 */
public static double mean( GrayS8 img ) {
  return sum(img)/(double)(img.width*img.height);
}

/**
 * Returns the minimum element value.
 * 
 * @param input Input image. Not modified.
 * @return Minimum pixel value.
 */
public static float min( InterleavedF32 input ) {
  return min( input.data, input.startIndex, input.height, input.width*input.numBands , input.stride );
}

/**
 * Returns the maximum element value.
 * 
 * @param input Input image. Not modified.
 * @return Maximum pixel value.
 */
public static int maxAbs( InterleavedS32 input ) {
  return maxAbs( input.data, input.startIndex, input.height, input.width*input.numBands , input.stride );
}

/**
 * Returns the mean pixel intensity value.
 * 
 * @param img Input image.  Not modified.
 * @return Mean pixel intensity value
 */
public static double mean( InterleavedS8 img ) {
  return sum(img)/(double)(img.width*img.height*img.numBands);
}