diff --git a/core-buffer/include/BufferUtils.hpp b/core-buffer/include/BufferUtils.hpp
index 18a3fe5..1403bd0 100644
--- a/core-buffer/include/BufferUtils.hpp
+++ b/core-buffer/include/BufferUtils.hpp
@@ -27,6 +27,10 @@ namespace BufferUtils
             const std::string& module_name,
             const uint64_t pulse_id);
 
+    std::string get_image_filename(
+            const std::string& detector_folder,
+            const uint64_t pulse_id);
+
     std::size_t get_file_frame_index(const uint64_t pulse_id);
 
     void update_latest_file(
diff --git a/core-buffer/src/BufferUtils.cpp b/core-buffer/src/BufferUtils.cpp
index 147d4e8..c763966 100644
--- a/core-buffer/src/BufferUtils.cpp
+++ b/core-buffer/src/BufferUtils.cpp
@@ -11,6 +11,24 @@
 using namespace std;
 using namespace buffer_config;
 
+string BufferUtils::get_image_filename(
+        const std::string& detector_folder,
+        const uint64_t pulse_id)
+{
+    uint64_t data_folder = pulse_id / buffer_config::FOLDER_MOD;
+    data_folder *= buffer_config::FOLDER_MOD;
+
+    uint64_t data_file = pulse_id / buffer_config::FILE_MOD;
+    data_file *= buffer_config::FILE_MOD;
+
+    stringstream folder;
+    folder << detector_folder << "/";
+    folder << data_folder << "/";
+    folder << data_file << buffer_config::FILE_EXTENSION;
+
+    return folder.str();
+}
+
 string BufferUtils::get_filename(
         const std::string& detector_folder,
         const std::string& module_name,