void UploadSamplesToStation()
        {
            try {
                FolderBrowserDialog selectPicturesFolderDialog = new FolderBrowserDialog();
                selectPicturesFolderDialog.ShowNewFolderButton = false;
                if (selectPicturesFolderDialog.ShowDialog() == DialogResult.OK)
                {
                    foreach (string jpg in Directory.GetFiles(selectPicturesFolderDialog.SelectedPath, "*.jpg"))
                    {
                        Sample nextSample = new Sample(_currentStation.Lat, _currentStation.Lon, jpg);

                        //OCR template for presure in inHg
                        OCR_Template ocrPres = new OCR_Template("ocrPres", "Moultrie Game Camera",
                                                                new Rectangle(71, 2018, 225, 96), new Size(2848, 2136));
                        //OCR template for temp in ºC
                        OCR_Template ocrTemp = new OCR_Template("ocrTemp", "Moultrie Game Camera",
                                                                new Rectangle(847, 2024, 196, 111), new Size(2848, 2136));
                        nextSample.OCR_Observations_list.Add(new DoubleObservation("Pressure (inHg)", "", ocrPres));
                        nextSample.OCR_Observations_list.Add(new IntegerObservation("Temperature (ºC)", "", ocrTemp));
                        nextSample.Species_Observations_list.Add(new SpeciesObservation("Species", "Pending", 0));

                        nextSample.RunOCR(nextSample.OCR_Observations_list);

                        Image nextImage = Image.FromFile(jpg);

                        foreach (Station st in _currentProject.StationsList)
                        {
                            if (st.Guid == _currentStation.Guid)
                            {
                                st.SamplesList.Add(nextSample);
                            }
                        }

                        ProjectDAO.InsertImage(_currentProject.Name, nextSample.Guid, ConversionUtilities.ImageToBase64(Main_processing.ResizeImage(nextImage), System.Drawing.Imaging.ImageFormat.Jpeg));
                    }

                    ProjectDAO.UpdateProject(_currentProject.Name, _currentProject);
                }
            } catch (Exception ex) {
                throw ex;
            }
        }
        void SelectStationImage()
        {
            try {
                if (tvProject.SelectedNode.Tag.GetType() == _currentStation.GetType())
                {
                    OpenFileDialog selectMainPictureDialog = new OpenFileDialog();
                    selectMainPictureDialog.Filter = "Jpeg files (*.jpg)|*.jpg|All files (*.*)|*.*";
                    selectMainPictureDialog.Title  = "Select the main picture";

                    if (selectMainPictureDialog.ShowDialog() == DialogResult.OK)
                    {
                        ProjectDAO.InsertImage(_currentProject.Name, _currentStation.Guid, ConversionUtilities.ImageToBase64(Main_processing.ResizeImage(Image.FromFile(selectMainPictureDialog.FileName)), System.Drawing.Imaging.ImageFormat.Jpeg));
                        _currentStation.MetadataFromImage(selectMainPictureDialog.FileName);

                        pictureBox1.Image = CameratrapManager_db.ProjectDAO.GetCurrentImage(_currentProject.Name, _currentStation.Guid);

                        ProjectDAO.UpdateProject(_currentProject.Name, _currentProject);


                        //Must solve the update node after select station image
//	                    UpdateCurrentNodeTree();
                        refreshViewData(_currentStation);
                    }
                    else
                    {
                        MessageBox.Show("You must select a Station node");
                    }
                }
            } catch (Exception ex) {
                throw ex;
            }
        }