diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27a54c42..6c2c52f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
   
 ### **HEAD -> main** 2022/04/11 mandic00@live.com
 
+- implement face attention model
 
 ### **origin/main** 2022/04/10 mandic00@live.com
 
diff --git a/test/build.log b/test/build.log
index 8f8be322..21c47319 100644
--- a/test/build.log
+++ b/test/build.log
@@ -1,24 +1,24 @@
-2022-04-11 11:45:29 INFO:  Application: {"name":"@vladmandic/human","version":"2.7.0"} 
-2022-04-11 11:45:29 INFO:  Environment: {"profile":"production","config":".build.json","package":"package.json","tsconfig":true,"eslintrc":true,"git":true} 
-2022-04-11 11:45:29 INFO:  Toolchain: {"build":"0.7.2","esbuild":"0.14.34","typescript":"4.6.3","typedoc":"0.22.15","eslint":"8.13.0"} 
-2022-04-11 11:45:29 INFO:  Build: {"profile":"production","steps":["clean","compile","typings","typedoc","lint","changelog"]} 
-2022-04-11 11:45:29 STATE: Clean: {"locations":["dist/*","types/lib/*","typedoc/*"]} 
-2022-04-11 11:45:29 STATE: Compile: {"name":"tfjs/nodejs/cpu","format":"cjs","platform":"node","input":"tfjs/tf-node.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":102,"outputBytes":595} 
-2022-04-11 11:45:29 STATE: Compile: {"name":"human/nodejs/cpu","format":"cjs","platform":"node","input":"src/human.ts","output":"dist/human.node.js","files":72,"inputBytes":568981,"outputBytes":294190} 
-2022-04-11 11:45:29 STATE: Compile: {"name":"tfjs/nodejs/gpu","format":"cjs","platform":"node","input":"tfjs/tf-node-gpu.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":110,"outputBytes":599} 
-2022-04-11 11:45:29 STATE: Compile: {"name":"human/nodejs/gpu","format":"cjs","platform":"node","input":"src/human.ts","output":"dist/human.node-gpu.js","files":72,"inputBytes":568985,"outputBytes":294194} 
-2022-04-11 11:45:29 STATE: Compile: {"name":"tfjs/nodejs/wasm","format":"cjs","platform":"node","input":"tfjs/tf-node-wasm.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":149,"outputBytes":651} 
-2022-04-11 11:45:30 STATE: Compile: {"name":"human/nodejs/wasm","format":"cjs","platform":"node","input":"src/human.ts","output":"dist/human.node-wasm.js","files":72,"inputBytes":569037,"outputBytes":294244} 
-2022-04-11 11:45:30 STATE: Compile: {"name":"tfjs/browser/version","format":"esm","platform":"browser","input":"tfjs/tf-version.ts","output":"dist/tfjs.version.js","files":1,"inputBytes":1063,"outputBytes":394} 
-2022-04-11 11:45:30 STATE: Compile: {"name":"tfjs/browser/esm/nobundle","format":"esm","platform":"browser","input":"tfjs/tf-browser.ts","output":"dist/tfjs.esm.js","files":2,"inputBytes":1068,"outputBytes":615} 
-2022-04-11 11:45:30 STATE: Compile: {"name":"human/browser/esm/nobundle","format":"esm","platform":"browser","input":"src/human.ts","output":"dist/human.esm-nobundle.js","files":72,"inputBytes":569001,"outputBytes":293151} 
-2022-04-11 11:45:30 STATE: Compile: {"name":"tfjs/browser/esm/custom","format":"esm","platform":"browser","input":"tfjs/tf-custom.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":110,"outputBytes":1344714} 
-2022-04-11 11:45:30 STATE: Compile: {"name":"human/browser/iife/bundle","format":"iife","platform":"browser","input":"src/human.ts","output":"dist/human.js","files":72,"inputBytes":1913100,"outputBytes":1636880} 
-2022-04-11 11:45:30 STATE: Compile: {"name":"human/browser/esm/bundle","format":"esm","platform":"browser","input":"src/human.ts","output":"dist/human.esm.js","files":72,"inputBytes":1913100,"outputBytes":2115805} 
-2022-04-11 11:45:35 STATE: Typings: {"input":"src/human.ts","output":"types/lib","files":114} 
-2022-04-11 11:45:37 STATE: TypeDoc: {"input":"src/human.ts","output":"typedoc","objects":73,"generated":true} 
-2022-04-11 11:45:37 STATE: Compile: {"name":"demo/typescript","format":"esm","platform":"browser","input":"demo/typescript/index.ts","output":"demo/typescript/index.js","files":1,"inputBytes":5916,"outputBytes":2957} 
-2022-04-11 11:45:37 STATE: Compile: {"name":"demo/faceid","format":"esm","platform":"browser","input":"demo/faceid/index.ts","output":"demo/faceid/index.js","files":2,"inputBytes":15174,"outputBytes":7820} 
-2022-04-11 11:45:45 STATE: Lint: {"locations":["*.json","src/**/*.ts","test/**/*.js","demo/**/*.js"],"files":104,"errors":0,"warnings":0} 
-2022-04-11 11:45:45 STATE: ChangeLog: {"repository":"https://github.com/vladmandic/human","branch":"main","output":"CHANGELOG.md"} 
-2022-04-11 11:45:45 INFO:  Done... 
+2022-04-11 11:46:03 INFO:  Application: {"name":"@vladmandic/human","version":"2.7.0"} 
+2022-04-11 11:46:03 INFO:  Environment: {"profile":"production","config":".build.json","package":"package.json","tsconfig":true,"eslintrc":true,"git":true} 
+2022-04-11 11:46:03 INFO:  Toolchain: {"build":"0.7.2","esbuild":"0.14.34","typescript":"4.6.3","typedoc":"0.22.15","eslint":"8.13.0"} 
+2022-04-11 11:46:03 INFO:  Build: {"profile":"production","steps":["clean","compile","typings","typedoc","lint","changelog"]} 
+2022-04-11 11:46:03 STATE: Clean: {"locations":["dist/*","types/lib/*","typedoc/*"]} 
+2022-04-11 11:46:03 STATE: Compile: {"name":"tfjs/nodejs/cpu","format":"cjs","platform":"node","input":"tfjs/tf-node.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":102,"outputBytes":595} 
+2022-04-11 11:46:03 STATE: Compile: {"name":"human/nodejs/cpu","format":"cjs","platform":"node","input":"src/human.ts","output":"dist/human.node.js","files":72,"inputBytes":568981,"outputBytes":294190} 
+2022-04-11 11:46:03 STATE: Compile: {"name":"tfjs/nodejs/gpu","format":"cjs","platform":"node","input":"tfjs/tf-node-gpu.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":110,"outputBytes":599} 
+2022-04-11 11:46:03 STATE: Compile: {"name":"human/nodejs/gpu","format":"cjs","platform":"node","input":"src/human.ts","output":"dist/human.node-gpu.js","files":72,"inputBytes":568985,"outputBytes":294194} 
+2022-04-11 11:46:03 STATE: Compile: {"name":"tfjs/nodejs/wasm","format":"cjs","platform":"node","input":"tfjs/tf-node-wasm.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":149,"outputBytes":651} 
+2022-04-11 11:46:03 STATE: Compile: {"name":"human/nodejs/wasm","format":"cjs","platform":"node","input":"src/human.ts","output":"dist/human.node-wasm.js","files":72,"inputBytes":569037,"outputBytes":294244} 
+2022-04-11 11:46:03 STATE: Compile: {"name":"tfjs/browser/version","format":"esm","platform":"browser","input":"tfjs/tf-version.ts","output":"dist/tfjs.version.js","files":1,"inputBytes":1063,"outputBytes":394} 
+2022-04-11 11:46:03 STATE: Compile: {"name":"tfjs/browser/esm/nobundle","format":"esm","platform":"browser","input":"tfjs/tf-browser.ts","output":"dist/tfjs.esm.js","files":2,"inputBytes":1068,"outputBytes":615} 
+2022-04-11 11:46:03 STATE: Compile: {"name":"human/browser/esm/nobundle","format":"esm","platform":"browser","input":"src/human.ts","output":"dist/human.esm-nobundle.js","files":72,"inputBytes":569001,"outputBytes":293151} 
+2022-04-11 11:46:04 STATE: Compile: {"name":"tfjs/browser/esm/custom","format":"esm","platform":"browser","input":"tfjs/tf-custom.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":110,"outputBytes":1344714} 
+2022-04-11 11:46:04 STATE: Compile: {"name":"human/browser/iife/bundle","format":"iife","platform":"browser","input":"src/human.ts","output":"dist/human.js","files":72,"inputBytes":1913100,"outputBytes":1636880} 
+2022-04-11 11:46:04 STATE: Compile: {"name":"human/browser/esm/bundle","format":"esm","platform":"browser","input":"src/human.ts","output":"dist/human.esm.js","files":72,"inputBytes":1913100,"outputBytes":2115805} 
+2022-04-11 11:46:09 STATE: Typings: {"input":"src/human.ts","output":"types/lib","files":114} 
+2022-04-11 11:46:11 STATE: TypeDoc: {"input":"src/human.ts","output":"typedoc","objects":73,"generated":true} 
+2022-04-11 11:46:11 STATE: Compile: {"name":"demo/typescript","format":"esm","platform":"browser","input":"demo/typescript/index.ts","output":"demo/typescript/index.js","files":1,"inputBytes":5916,"outputBytes":2957} 
+2022-04-11 11:46:11 STATE: Compile: {"name":"demo/faceid","format":"esm","platform":"browser","input":"demo/faceid/index.ts","output":"demo/faceid/index.js","files":2,"inputBytes":15174,"outputBytes":7820} 
+2022-04-11 11:46:19 STATE: Lint: {"locations":["*.json","src/**/*.ts","test/**/*.js","demo/**/*.js"],"files":104,"errors":0,"warnings":0} 
+2022-04-11 11:46:19 STATE: ChangeLog: {"repository":"https://github.com/vladmandic/human","branch":"main","output":"CHANGELOG.md"} 
+2022-04-11 11:46:19 INFO:  Done...