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Tonemapping algorithm used to map HDR image to 8-bit range
Adaptive logarithmic mapping is a fast global tonemapping algorithm that scales the image in logarithmic domain.
Since it's a global operator the same function is applied to all the pixels, it is controlled by the bias parameter.
Optional saturation enhancement is possible as described in [FL02].
For more information see [DM03].
[FL02]:
Raanan Fattal, Dani Lischinski, and Michael Werman. "Gradient domain high dynamic range compression". In ACM Transactions on Graphics (TOG), volume 21, pages 249-256. ACM, 2002.
[DM03]:
Frederic Drago, Karol Myszkowski, Thomas Annen, and Norishige Chiba. "Adaptive logarithmic mapping for displaying high contrast scenes". In Computer Graphics Forum, volume 22, pages 419-426. Wiley Online Library, 2003.
| Superclasses | handle |
| Sealed | false |
| Construct on load | false |
| TonemapDrago | Creates TonemapDrago object |
| Bias | value for bias function in [0, 1] range. |
| Gamma | positive value for gamma correction. |
| Saturation | positive saturation enhancement value. |
| id | Object ID |
| addlistener | Add listener for event. | |
| delete | Destructor | |
| eq | == (EQ) Test handle equality. | |
| findobj | Find objects matching specified conditions. | |
| findprop | Find property of MATLAB handle object. | |
| ge | >= (GE) Greater than or equal relation for handles. | |
| gt | > (GT) Greater than relation for handles. | |
| Sealed | isvalid | Test handle validity. |
| le | <= (LE) Less than or equal relation for handles. | |
| listener | Add listener for event without binding the listener to the source object. | |
| lt | < (LT) Less than relation for handles. | |
| ne | ~= (NE) Not equal relation for handles. | |
| notify | Notify listeners of event. | |
| process | Tonemaps image |
| ObjectBeingDestroyed | Notifies listeners that a particular object has been destroyed. |