diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..15a15b2
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..a2e120d
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..2c98eed
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/python-backend.iml" filepath="$PROJECT_DIR$/.idea/python-backend.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/python-backend.iml b/.idea/python-backend.iml
new file mode 100644
index 0000000..6711606
--- /dev/null
+++ b/.idea/python-backend.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="TestRunnerService">
+    <option name="PROJECT_TEST_RUNNER" value="Unittests" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..d7e9f0d
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectFrameBounds" extendedState="6">
+    <option name="x" value="260" />
+    <option name="y" value="53" />
+    <option name="width" value="1400" />
+    <option name="height" value="1000" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/lib/test-images/lot-1-car.jpg b/lib/test-images/lot-1-car.jpg
new file mode 100644
index 0000000..a2f9ecb
Binary files /dev/null and b/lib/test-images/lot-1-car.jpg differ
diff --git a/lib/test-images/lot-2-cars.jpg b/lib/test-images/lot-2-cars.jpg
new file mode 100644
index 0000000..34d0422
Binary files /dev/null and b/lib/test-images/lot-2-cars.jpg differ
diff --git a/lib/test-images/lot-3-cars.jpg b/lib/test-images/lot-3-cars.jpg
new file mode 100644
index 0000000..7a48093
Binary files /dev/null and b/lib/test-images/lot-3-cars.jpg differ
diff --git a/lib/test-images/lot-4-cars.jpg b/lib/test-images/lot-4-cars.jpg
new file mode 100644
index 0000000..506494c
Binary files /dev/null and b/lib/test-images/lot-4-cars.jpg differ
diff --git a/lib/test-images/lot-5-cars-A.jpg b/lib/test-images/lot-5-cars-A.jpg
new file mode 100644
index 0000000..a0b1408
Binary files /dev/null and b/lib/test-images/lot-5-cars-A.jpg differ
diff --git a/lib/test-images/lot-5-cars-B.jpg b/lib/test-images/lot-5-cars-B.jpg
new file mode 100644
index 0000000..9ef259b
Binary files /dev/null and b/lib/test-images/lot-5-cars-B.jpg differ
diff --git a/lib/test-images/lot-empty.jpg b/lib/test-images/lot-empty.jpg
new file mode 100644
index 0000000..eaa0c63
Binary files /dev/null and b/lib/test-images/lot-empty.jpg differ