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README.md

@@ -4,7 +4,7 @@ license: apache-2.0
 library_name: unity-sentis
 ---
 
-# Face Landmark from Google Mediapipe validated for Unity Sentis (Version 1.3.0-pre.3*)
+# Face Landmark from Google Mediapipe validated for Unity Sentis (Version 1.4.0-pre.2*)
 *Version 1.3.0 Sentis files are not compatible with Sentis 1.4.0 and need to be recreated/downloaded
 
 This is the [Face Landmark model](https://developers.google.com/mediapipe/solutions/vision/face_landmarker) from Google in the Sentis format.
@@ -16,7 +16,7 @@ The model detects 468 3D markers on a face centered in an image. You could use t
 ## How to Use
 * Create a new scene in Unity 2023
 * Put the face_landmark.sentis file in the `Assets/StreamingAssets` folder
-* Install package `com.unity.sentis` version `1.3.0-pre.3` from the package manager
+* Install package `com.unity.sentis` version `1.4.0-pre.2` from the package manager
 * Put a video in the `Assets/StreamingAssets` folder and set `videoName` variable to the video name
 * Create a RawImage and place it in your scene. Link to this image in the `previewUI` field.
 

RunFaceLandmark.cs

@@ -53,8 +53,6 @@ public class RunFaceLandmark : MonoBehaviour
     //Size of input image to neural network (196)
     const int size = 192;
 
-    Ops ops;
-    ITensorAllocator allocator;
 
     Model model;
 
@@ -67,8 +65,6 @@ public class RunFaceLandmark : MonoBehaviour
 
     void Start()
     {
-        allocator = new TensorCachingAllocator();
-
         //(Note: if using a webcam on mobile get permissions here first)
 
         SetupTextures();
@@ -85,7 +81,6 @@ public class RunFaceLandmark : MonoBehaviour
     public void SetupEngine()
     {
         worker = WorkerFactory.CreateWorker(backend, model);
-        ops = WorkerFactory.CreateOps(backend, allocator);
     }
 
     void SetupTextures()
@@ -202,12 +197,11 @@ public class RunFaceLandmark : MonoBehaviour
         var transform = new TextureTransform();
         transform.SetDimensions(size, size, 3);
         transform.SetTensorLayout(0, 3, 1, 2);
-        using var image0 = TextureConverter.ToTensor(source, transform);
+        using var image = TextureConverter.ToTensor(source, transform);
 
-        // Pre-process the image to make input in range (-1..1)
-        using var image = ops.Mad(image0, 2f, -1f);
+        // The image has pixels in the range [0..1]
 
-        worker.Execute(image0);
+        worker.Execute(image);
 
         using var landmarks= worker.PeekOutput("conv2d_21") as TensorFloat;
         
@@ -217,7 +211,7 @@ public class RunFaceLandmark : MonoBehaviour
         float scaleX = targetTexture.width * 1f / size;
         float scaleY = targetTexture.height * 1f / size;
 
-        landmarks.MakeReadable();
+        landmarks.CompleteOperationsAndDownload();
         DrawLandmarks(landmarks, scaleX, scaleY);
     }
 
@@ -245,8 +239,6 @@ public class RunFaceLandmark : MonoBehaviour
     void CleanUp()
     {
         closing = true;
-        ops?.Dispose();
-        allocator?.Dispose();
         if (webcam) Destroy(webcam);
         if (video) Destroy(video);
         RenderTexture.active = null;

face_landmark.sentis

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fe79525320811b1b997fc09ffa290e488b70c454d1178238955302a93f67865f
-size 2488087
+oid sha256:091bea3c3863cd029b5a180707c7add67112fc9f79d177849686ac984a9c5f5f
+size 2449056