diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e17eced..aabb0e1a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,12 @@ Repository: **<git+https://github.com/vladmandic/human.git>**
 
 ## Changelog
 
-### **HEAD -> main** 2021/03/28 mandic00@live.com
+### **HEAD -> main** 2021/03/29 mandic00@live.com
+
+- new icons
+- new serve module and demo structure
+
+### **origin/main** 2021/03/28 mandic00@live.com
 
 - minor rotation calculation fix
 - remove debug output
diff --git a/src/human.ts b/src/human.ts
index 38f0856c..1daece57 100644
--- a/src/human.ts
+++ b/src/human.ts
@@ -86,6 +86,8 @@ export class Human {
     nanodet: typeof nanodet;
     faceres: typeof faceres;
   };
+  faceTriangulation: typeof facemesh.triangulation;
+  faceUVMap: typeof facemesh.uvmap;
   sysinfo: { platform: string, agent: string };
   perf: any;
   #numTensors: number;
@@ -134,6 +136,8 @@ export class Human {
       hand: handpose,
       nanodet,
     };
+    this.faceTriangulation = facemesh.triangulation;
+    this.faceUVMap = facemesh.uvmap;
     // include platform info
     this.sysinfo = sysinfo.info();
   }
diff --git a/src/image/image.ts b/src/image/image.ts
index 8ae7e3fb..8e6e2d25 100644
--- a/src/image/image.ts
+++ b/src/image/image.ts
@@ -16,6 +16,7 @@ let fx = null;
 // input is resized and run through imagefx filter
 export function process(input, config): { tensor: tf.Tensor, canvas: OffscreenCanvas | HTMLCanvasElement } {
   let tensor;
+  if (!input) throw new Error('Human: Input is missing');
   if (input instanceof tf.Tensor) {
     tensor = tf.clone(input);
   } else {