Fixed crash when no saving & empty keypoints

README.md

@@ -2,11 +2,11 @@ OpenPose
 ====================================
 
 ## Latest News
-- Apr 2017: Body released!
-- May 2017: Windows version released!
-- Jun 2017: Face released!
-- Jul 2017: Hands released!
-- Jul 2017: Windows: New non-installation-required [portable demo](doc/installation.md#installation---demo) and [easier library installation](doc/installation.md#installation---library)!
+- Apr 2017: **Body** released!
+- May 2017: **Windows** version released!
+- Jun 2017: **Face** released!
+- Jul 2017: **Hands** released!
+- Jul 2017: **Windows**, New [**portable demo**](doc/installation.md#installation---demo) **and** [**easier library installation**](doc/installation.md#installation---library)!
 - Check all the [release notes](doc/release_notes.md).
 - Interested in an internship on CMU as OpenPose programmer? See [this link](https://docs.google.com/document/d/14SygG39NjIRZfx08clewTdFMGwVdtRu2acyCi3TYcHs/edit?usp=sharing) for details.
 

src/openpose/filestream/fileStream.cpp

@@ -76,14 +76,16 @@ namespace op
     {
         try
         {
+            // Security checks
             if (format == DataFormat::Json && CV_MAJOR_VERSION < 3)
                 error(errorMessage, __LINE__, __FUNCTION__, __FILE__);
             if (cvMats.size() != cvMatNames.size())
                 error("cvMats.size() != cvMatNames.size()", __LINE__, __FUNCTION__, __FILE__);
-
+            // Save cv::Mat data
             cv::FileStorage fileStorage{getFullName(fileNameNoExtension, format), cv::FileStorage::WRITE};
             for (auto i = 0 ; i < cvMats.size() ; i++)
-                fileStorage << cvMatNames[i] << cvMats[i];
+                fileStorage << cvMatNames[i] << (cvMats[i].empty() ? cv::Mat{} : cvMats[i]);
+            // Release file
             fileStorage.release();
         }
         catch (const std::exception& e)

src/openpose/gui/gui.cpp

@@ -8,6 +8,8 @@
 
 namespace op
 {
+    const std::string OPEN_POSE_TEXT{"OpenPose 1.0.1"};
+
     inline void showGuiHelp()
     {
         try
@@ -17,7 +19,7 @@ namespace op
             if (!helpCvMat.empty())
             {
                 const auto fullScreen = false;
-                FrameDisplayer frameDisplayer{Point<int>{helpCvMat.cols, helpCvMat.rows}, "OpenPose - GUI Help", fullScreen};
+                FrameDisplayer frameDisplayer{Point<int>{helpCvMat.cols, helpCvMat.rows}, OPEN_POSE_TEXT + " - GUI Help", fullScreen};
                 frameDisplayer.displayFrame(helpCvMat, 33);
             }
         }
@@ -152,7 +154,7 @@ namespace op
     Gui::Gui(const bool fullScreen, const Point<int>& outputSize, const std::shared_ptr<std::atomic<bool>>& isRunningSharedPtr, 
              const std::shared_ptr<std::pair<std::atomic<bool>, std::atomic<int>>>& videoSeekSharedPtr,
              const std::vector<std::shared_ptr<PoseExtractor>>& poseExtractors, const std::vector<std::shared_ptr<PoseRenderer>>& poseRenderers) :
-        mFrameDisplayer{outputSize, "OpenPose - GUI", fullScreen},
+        mFrameDisplayer{outputSize, OPEN_POSE_TEXT, fullScreen},
         mPoseExtractors{poseExtractors},
         mPoseRenderers{poseRenderers},
         spIsRunning{isRunningSharedPtr},