Robertson docs

modules/photo/doc/hdr_imaging.rst

@@ -256,6 +256,25 @@ Creates CalibrateDebevec object
     
     :param random: if true sample pixel locations are chosen at random, otherwise the form a rectangular grid.
     
+CalibrateRobertson
+---------------------------
+.. ocv:class:: CalibrateRobertson : public ExposureCalibrate
+
+Inverse camera response function is extracted for each brightness value by minimizing an objective function as linear system.
+This algorithm uses all image pixels.
+
+For more information see [RB99]_.
+
+createCalibrateRobertson
+---------------------------
+Creates CalibrateRobertson object
+
+.. ocv:function:: createCalibrateRobertson(int max_iter = 30, float threshold = 0.01f)
+
+    :param max_iter: maximal number of Gauss-Seidel solver iterations.
+    
+    :param threshold: target difference between results of two successive steps of the minimization.
+    
 ExposureMerge
 ---------------------------
 .. ocv:class:: ExposureMerge : public Algorithm
@@ -312,7 +331,6 @@ Short version of process, that doesn't take extra arguments.
    
     :param dst: result image
 
-
 createMergeMertens
 ---------------------------
 Creates MergeMertens object
@@ -325,6 +343,20 @@ Creates MergeMertens object
     
     :param exposure_weight: well-exposedness measure weight
 
+MergeRobertson
+---------------------------
+.. ocv:class:: MergeRobertson : public ExposureMerge
+
+The resulting HDR image is calculated as weighted average of the exposures considering exposure values and camera response.
+
+For more information see [RB99]_.
+
+createMergeRobertson
+---------------------------
+Creates MergeRobertson object
+
+.. ocv:function:: Ptr<MergeRobertson> createMergeRobertson()
+    
 References
 ==========
 
@@ -343,3 +375,5 @@ References
 .. [DM97] P. Debevec, J. Malik, "Recovering High Dynamic Range Radiance Maps from Photographs", Proceedings OF ACM SIGGRAPH, 1997, 369 - 378.
 
 .. [MK07] T. Mertens, J. Kautz, F. Van Reeth, "Exposure Fusion", Proceedings of the 15th Pacific Conference on Computer Graphics and Applications, 2007, 382 - 390.
+
+.. [RB99]  M. Robertson , S. Borman , R. Stevenson , "Dynamic range improvement through multiple exposures ", Proceedings of the Int. Conf. on Image Processing , 1999, 159 - 163.