From 2be1e77f966d4f429a0f994474ffeab1a6b80c12 Mon Sep 17 00:00:00 2001
From: Fabien Servant <fabien.servant@technicolor.com>
Date: Wed, 8 Jan 2025 18:32:46 +0100
Subject: [PATCH] edge case for intrinsics history

---
 .../sfm/pipeline/expanding/LbaPolicyConnexity.cpp            | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/aliceVision/sfm/pipeline/expanding/LbaPolicyConnexity.cpp b/src/aliceVision/sfm/pipeline/expanding/LbaPolicyConnexity.cpp
index c7490bb92a..99e71cecef 100644
--- a/src/aliceVision/sfm/pipeline/expanding/LbaPolicyConnexity.cpp
+++ b/src/aliceVision/sfm/pipeline/expanding/LbaPolicyConnexity.cpp
@@ -88,6 +88,11 @@ void LbaPolicyConnexity::setupIntrinsics(sfmData::SfMData & sfmData)
     for (auto & pi : sfmData.getIntrinsics())
     {
         const auto & vec = _historyHandler->getFocalHistory(pi.first);
+        if (vec.size() == 0)
+        {
+            pi.second->setState(EEstimatorParameterState::REFINED);
+            continue;
+        }
 
         size_t lastGood = std::numeric_limits<size_t>::max();
         std::vector<std::pair<size_t, double>> filtered;