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\Large

\noindent \\

Level Auto Ino\medskip

\par

\normalsize

Spread the brightness range of the picture.\\

\par

It performs an automatic level correction, useful for increasing the image\par 

brightness and contrast.\\

\par

Based on the brightest and darkest values of the input image, the brightness\par 

range is expanded to the darkest (Out Min) and brightest (Out Max) values.\par

-{-}> See Figure 1: \textquotedbl Auto Levels - Calculation Diagram\textquotedbl\\

\par

Since it expands the range of each RGBA channel, it does not take into account\par

the RGBA\textquotesingle s balance. Therefore please note that it may change colors, in a colored\par

image.\\

\par

When checking the results, sub-camera must not be used.\par

Since the sub-camera input image range is different, its darkest and brightest\par 

values are different of those of the input image, and will give different results.\\

\\

-{-}- \ Inputs \ -{-}-\\

Source\par

Connect the image to be processed.\\

\\

-{-}- \ Settings \ -{-}-\\

In Min Shift\\

In Max Shift\par

The minimum and maximum values of the input image pixels are automatically\par calculated and adjusted by adding to their values.\par

For example, if there is only one bright pixel that needs to be ignored,\par

it is possible to spread the range by specifying a negative value for\par 

\textquotedbl In Max Shift\textquotedbl \ .\par

Pixel values (8 or 16 bits) are specified ranging from 0 to 1.\par

Minimum value is -1, maximum value is 1.\par

\noindent \hskip 7em Min \ \ \ \ \, 0\par

\noindent \hskip 7em Max \ \ \ \ -1\par

These values will make the screen become black.\par

\noindent \hskip 7em Min \ \ \ \ \, 1\par

\noindent \hskip 7em Max \ \ \ \ \ 0\par

These values will make the screen become white.\par

If both values are set to 0, there will be no adjustment by shift.\par

The default values for both are 0.\\

\newpage

\ \vspace{-0.2em}

\par

\noindent Out Min\par

\noindent Out Max\par

Determines the darkest (Out Min) and the brightest (Out Max) values of the output\par

image.\par

Minimum value is 0, maximum value is 1.\par

The defaults values are\par

\noindent \hskip 7em Out Min: 0\par

\noindent \hskip 7em Out Max: 1\\

\\

Gamma\par

Perform gamma correction between \textquotedbl Out Min\textquotedbl \ and \textquotedbl Out Max\textquotedbl .\par

A value between 0.1 and 1.0, will make the image become darker.\par

When the value is 1.0, no correction will be performed.\par

A value between 1.0 and 10.0, will make the image become brighter.\par

The default value is 1.\\

\\

Figure 1: Auto Levels - Calculation Diagram

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