diff --git a/calibration.py b/calibration.py
index cca4b14..8ef749c 100755
--- a/calibration.py
+++ b/calibration.py
@@ -20,7 +20,10 @@ def print_error(msg: str):
 
 def calibrate(input_dir: str):
     # Load all images
-    image_names = list(filter(lambda x: x != 'calibration.json', sorted(os.listdir(input_dir))))
+    image_names = sorted([
+        x for x in os.listdir(input_dir)
+        if x != 'calibration.json' and x != 'all_on.jpg' and x != 'all_off.jpg' and x.endswith('.jpg')
+    ])
     images = [np.asarray(Image.open(os.path.join(input_dir, x))) for x in image_names]
 
     # Camera parameters
diff --git a/camera.py b/camera.py
index f95434a..4e703e6 100644
--- a/camera.py
+++ b/camera.py
@@ -22,10 +22,10 @@ class RealCamera(Camera):
     def capture(self, output_path: str) -> bool:
         try:
             file_path = self.inner.capture(gp.GP_CAPTURE_IMAGE)
-            preview = self.inner.file_get(file_path.folder, file_path.name[:-3] + '.JPG', gp.GP_FILE_TYPE_NORMAL)
+            preview = self.inner.file_get(file_path.folder, file_path.name[:-3] + 'JPG', gp.GP_FILE_TYPE_NORMAL)
             raw = self.inner.file_get(file_path.folder, file_path.name, gp.GP_FILE_TYPE_RAW)
 
-            preview.sve(output_path + '.jpg')
+            preview.save(output_path + '.jpg')
             raw.save(output_path + '.cr2')
             return True
 
diff --git a/routes/calibration.py b/routes/calibration.py
index 0f58911..5c817c4 100644
--- a/routes/calibration.py
+++ b/routes/calibration.py
@@ -98,7 +98,7 @@ def cancel():
     calibration.state = db.CalibrationState.HasData
     with conn:
         calibration.save(conn)
-    return redirect('/calibrate')
+    return redirect('/calibration/calibrate')
 
 
 @blueprint.route('/validate')
diff --git a/templates/index.html b/templates/index.html
index 43d48fb..b479aef 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -67,13 +67,13 @@
             <form action="/object/create" method="POST">
                 <div class="modal-content">
                     <div class="field">
-                        <label class="label">Nom du projet</label>
+                        <label class="label has-text-white-dark">Nom du projet</label>
                         <div class="control">
                             <input class="input" type="text" name="project" placeholder="Nom du projet" required>
                         </div>
                     </div>
                     <div class="field">
-                        <label class="label">Nom de l'objet</label>
+                        <label class="label has-text-white-dark">Nom de l'objet</label>
                         <div class="control">
                             <input class="input" type="text" name="name" placeholder="Nom de l'objet" required>
                         </div>
diff --git a/ts/Engine.ts b/ts/Engine.ts
index 54a5fcc..90b78b4 100644
--- a/ts/Engine.ts
+++ b/ts/Engine.ts
@@ -158,6 +158,7 @@ export class Engine {
     initScene(calibration: Calibration): void {
         this.center = new THREE.Vector3(0, 0, 10);
         this.scene = new THREE.Scene();
+	this.scene.background = new THREE.Color(0, 0, 0);
 
         this.camera = new THREE.PerspectiveCamera(45, this.width / this.height, 0.001, 1000);
         this.camera.position.set(0, 0, -30);