Kaia.js

Kaia.ai platform's JS client library

Usage

TfMobile

• Sample app
• Sample app source code
• Sample app source code, built with node.js and webpack

let tfMobile = await createTfMobile(model); // load model
...
let result = await tfMobile.run([img], // classify image
  {feed: [
    {width: size,
     height: size,
     inputName: 'input',
     imageMean: 128.0,
     imageStd: 128.0,
     feedType: 'colorBitmapAsFloat'
    }],
   run: {enableStats: false},
   fetch: {outputNames: ['MobilenetV1/Predictions/Softmax'], outputTypes: ['float']}
  });
let probabilities = result.output[0];
...
tfMobile.close(); // optional

TfLite

• Sample app
• Sample app source code
• Sample app source code, built with node.js and webpack

let tfLite = await createTfLite(model); // load model
...
let result = await tfLite.run([img], // classify image
  {input: [
    {width: size,
     height: size,
     channels: 4,
     batchSize: 1,
     imageMean: 128.0,
     imageStd: 128.0,
     type: 'colorBitmapAsFloat'
    }],
   output: [
    {type: 'float',
     size: [1, 1001],
    }]
  });
let probabilities = result.output[0][0];
...
tfLite.close(); // optional

Installing

Via npm + webpack/rollup

npm install kaia.js

Now you can require/import kaia.js:

import { TfMobile, TfLite } from 'kaia.js';

Via <script>

• dist/kaia.mjs is a valid JS module.
• dist/kaia-iife.js can be used in browsers that don't support modules. idbKeyval is created as a global.
• dist/kaia-iife.min.js As above, but minified.
• dist/kaia-iife-compat.min.js As above, but works in older browsers such as IE 10.
• dist/kaia-amd.js is an AMD module.
• dist/kaia-amd.min.js As above, but minified.

These built versions are also available on jsDelivr, e.g.:

<script src="https://cdn.jsdelivr.net/npm/kaia.js/dist/kaia-iife.min.js"></script>
<!-- Or in modern browsers: -->
<script type="module">
  import { createTfMobile, createTfLite } from 'https://cdn.jsdelivr.net/npm/kaia.js';
</script>

and unpkg

<script src="https://unpkg.com/kaia.js/dist/kaia-iife.min.js"></script>
<!-- Or in modern browsers: -->
<script type="module">
  import { createTfMobile, createTfLite } from 'https://unpkg.com/kaia.js';
</script>

Customizing NN Model

• To make a custom TfMobile model please follow a detailed Google Codelabs TFMobile tutorial
• To make a custom TfLite model please follow a detailed Google Codelabs TFLite tutorial