From e4fabe393cf86618ebb474f8e81bb05a30b4fc8f Mon Sep 17 00:00:00 2001
From: Alexander Smorkalov <alexander.smorkalov@opencv.ai>
Date: Thu, 24 Jul 2025 14:29:09 +0300
Subject: [PATCH] More intrinsic calibration flags in integractive calibration
 tool.

---
 apps/interactive-calibration/calibCommon.hpp          | 6 ++++++
 apps/interactive-calibration/main.cpp                 | 4 ++++
 apps/interactive-calibration/parametersController.cpp | 3 +++
 3 files changed, 13 insertions(+)

diff --git a/apps/interactive-calibration/calibCommon.hpp b/apps/interactive-calibration/calibCommon.hpp
index ed6c3613d1..967982300b 100644
--- a/apps/interactive-calibration/calibCommon.hpp
+++ b/apps/interactive-calibration/calibCommon.hpp
@@ -118,6 +118,9 @@ namespace calib
         double solverEps;
         int solverMaxIters;
         bool fastSolving;
+        bool rationalModel;
+        bool thinPrismModel;
+        bool tiltedModel;
         double filterAlpha;
 
         internalParameters()
@@ -125,6 +128,9 @@ namespace calib
             solverEps = 1e-7;
             solverMaxIters = 30;
             fastSolving = false;
+            rationalModel = false;
+            thinPrismModel = false;
+            tiltedModel = false;
             filterAlpha = 0.1;
         }
     };
diff --git a/apps/interactive-calibration/main.cpp b/apps/interactive-calibration/main.cpp
index b9ec7e8805..889a536a69 100644
--- a/apps/interactive-calibration/main.cpp
+++ b/apps/interactive-calibration/main.cpp
@@ -134,6 +134,10 @@ int main(int argc, char** argv)
 
     int calibrationFlags = 0;
     if(intParams.fastSolving) calibrationFlags |= cv::CALIB_USE_QR;
+    if(intParams.rationalModel) calibrationFlags |= cv::CALIB_RATIONAL_MODEL;
+    if(intParams.thinPrismModel) calibrationFlags |= cv::CALIB_THIN_PRISM_MODEL;
+    if(intParams.tiltedModel) calibrationFlags |= cv::CALIB_TILTED_MODEL;
+
     cv::Ptr<calibController> controller(new calibController(globalData, calibrationFlags,
                                                          parser.get<bool>("ft"), capParams.minFramesNum));
     cv::Ptr<calibDataController> dataController(new calibDataController(globalData, capParams.maxFramesNum,
diff --git a/apps/interactive-calibration/parametersController.cpp b/apps/interactive-calibration/parametersController.cpp
index 90d24b04c9..48639a2bdb 100644
--- a/apps/interactive-calibration/parametersController.cpp
+++ b/apps/interactive-calibration/parametersController.cpp
@@ -49,6 +49,9 @@ bool calib::parametersController::loadFromFile(const std::string &inputFileName)
     readFromNode(reader["solver_eps"], mInternalParameters.solverEps);
     readFromNode(reader["solver_max_iters"], mInternalParameters.solverMaxIters);
     readFromNode(reader["fast_solver"], mInternalParameters.fastSolving);
+    readFromNode(reader["rational_model"], mInternalParameters.rationalModel);
+    readFromNode(reader["thin_prism_model"], mInternalParameters.thinPrismModel);
+    readFromNode(reader["tiltedModel"], mInternalParameters.tiltedModel);
     readFromNode(reader["frame_filter_conv_param"], mInternalParameters.filterAlpha);
 
     bool retValue =