Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Augmented Reality in JavaScript

Avatar for Zeno Rocha Zeno Rocha
April 02, 2013
Programming
13
11k

Augmented Reality in JavaScript

Presented at HTML5 Dev Conf - San Francisco, 2013.

Avatar for Zeno Rocha

Zeno Rocha

April 02, 2013
Tweet

More Decks by Zeno Rocha

See All by Zeno Rocha
The Next Generation of Developer-First Products
Avatar for Zeno Rocha zenorocha
1
610
7 Habits of Highly Productive Developers
Avatar for Zeno Rocha zenorocha
1
400
7 Hábitos de Desenvolvedores Altamente Produtivos
Avatar for Zeno Rocha zenorocha
1
510
What's new in the Liferay Community
Avatar for Zeno Rocha zenorocha
0
690
Launching Liferay Projects Faster with WeDeploy
Avatar for Zeno Rocha zenorocha
1
560
How Liferay fits into the real of latest technologies
Avatar for Zeno Rocha zenorocha
0
600
Estoicismo e JavaScript
Avatar for Zeno Rocha zenorocha
3
1.1k
Por que ninguém se importa com seu novo projeto open source?
Avatar for Zeno Rocha zenorocha
2
980
Como investir em... você!
Avatar for Zeno Rocha zenorocha
1
570

Other Decks in Programming

See All in Programming
ワープロって実は計算機で
Avatar for Chiharu Shirasaka pepepper
2
1.2k
Strands Agents で実現する名刺解析アーキテクチャ
Avatar for omiya omiya0555
1
110
あなたとJIT, 今すぐアセンブ ル
Avatar for monochrome sisshiki1969
0
520
なぜあなたのオブザーバビリティ導入は頓挫するのか
Avatar for ryotaro kobayashi ryota_hnk
5
580
Terraform やるなら公式スタイルガイドを読もう 〜重要項目 10選〜
Avatar for hiyanger hiyanger
12
3k
[DevinMeetupTokyo2025] コード書かせないDevinの使い方
Avatar for yoshi takumiyoshikawa
2
270
CEDEC2025 長期運営ゲームをあと10年続けるための0から始める自動テスト ~4000項目を50%自動化し、月1→毎日実行にした3年間~
Avatar for アカツキゲームス_Tech akatsukigames_tech
0
110
대규모 트래픽을 처리하는 프론트 개발자의 전략
Avatar for Seungmin 마량 maryang
0
120
AHC051解法紹介
Avatar for eijirou eijirou
0
180
AI Ramen Fight
Avatar for Yusuke Wada yusukebe
0
130
The State of Fluid (2025)
Avatar for Simon Praetorius s2b
0
110
Reactの歴史を振り返る
Avatar for つちのこ tutinoko
1
170

Featured

See All Featured
The Web Performance Landscape in 2024 [PerfNow 2024]
Avatar for Tammy Everts tammyeverts
8
750
Bash Introduction
Avatar for André Augusto Costa Santos 62gerente
614
210k
Scaling GitHub
Avatar for Zach Holman holman
461
140k
Performance Is Good for Brains [We Love Speed 2024]
Avatar for Tammy Everts tammyeverts
10
1k
No one is an island. Learnings from fostering a developers community.
Avatar for Antonio thoeni
21
3.4k
Save Time (by Creating Custom Rails Generators)
Avatar for Garrett Dimon garrettdimon
PRO
32
1.3k
Bootstrapping a Software Product
Avatar for Garrett Dimon garrettdimon
PRO
307
110k
Git: the NoSQL Database
Avatar for Brandon Keepers bkeepers
PRO
431
65k
Thoughts on Productivity
Avatar for Jon Yablonski jonyablonski
69
4.8k
Designing Dashboards & Data Visualisations in Web Apps
Avatar for Des Traynor destraynor
231
53k
Balancing Empowerment & Direction
Avatar for Lara Hogan lara
1
540
Imperfection Machines: The Place of Print at Facebook
Avatar for Scott Boms scottboms
267
13k

Transcript

  1. augmented reality.js San Francisco, 2013.

  2. None

  3. I’m from brazil

  4. no, I don’t samba

  5. None
  6. None

  7. I ♥ HTML5

  8. html5-pro.com/wormz

  9. I ♥ opensource

  10. browserdiet.com

  11. today we’re going to talk about augmented reality...

  12. None

  13. ...and how to integrate different HTML5 APIs

  14. augumented reality is everywhere, or it will be... augmented reality

    is (or at least will be) everywhere

  15. before it was cool used Google Glass

  16. what is augmented reality?

  17. None

  18. how can you do it using javascript?

  19. mzl.la/ilyX7k

  20. 1. capture webcam

  21. None

  22. dev.w3.org/2011/webrtc/editor/webrtc.html

  23. None

  24. Access user's camera and microphone navigator.getUserMedia({ video: true, audio: true

    }, onSuccess, onFail); STEP 1

  25. 2. play the captured video

  26. <video>

  27. Play webcam's content into a video element function onSuccess(stream) {

    var video = document.querySelector('video'); video.src = window.URL.createObjectURL(stream); video.onloadedmetadata = function(e) { // Ready }; } STEP 2

  28. 3. track a pattern of pixels

  29. <canvas>

  30. <video> <canvas>

  31. None

  32. fiducial markers

  33. github.com/kig/JSARToolKit

  34. libspark.org/wiki/saqoosha/FLARToolKit/en

  35. hitl.washington.edu/artoolkit

  36. soundstep.com/blog/experiments/jstracking/

  37. bit.ly/XR0aGH

  38. bit.ly/124FT3A FIDUCIAL MARKERS

  39. None

  40. <html><head> <script src="../../src/NyAs3Utils.js"></script> <script src="../../src/FLARArrayUtil.js"></script> <script src="../../src/FLARException.js"></script> <script src="../../src/FLARMat.js"></script> <script

    src="../../src/FLARRgbPixelReader.js"></script> <script src="../../src/NyARHistogramAnalyzer.js"></script> <script src="../../src/NyARPca2d.js"></script> <script src="../../src/NyARRasterReader.js"></script> <script src="../../src/NyARTypes.js"></script> <script src="../../src/FLARRasterFilter.js"></script> <script src="../../src/FLARTypes.js"></script> <script src="../../src/NyARLabel.js"></script> <script src="../../src/FLARLabeling.js"></script> <script src="../../src/NyARParam.js"></script> <script src="../../src/FLARParam.js"></script> <script src="../../src/NyARRaster.js"></script> <script src="../../src/FLARRaster.js"></script> <script src="../../src/NyARCode.js"></script> <script src="../../src/FLARCode.js"></script> <script src="../../src/NyARMatch.js"></script> <script src="../../src/NyARRasterAnalyzer.js"></script> <script src="../../src/FLARRasterAnalyzer.js"></script> <script src="../../src/NyARRasterFilter.js"></script> <script src="../../src/NyARSquareDetect.js"></script> <script src="../../src/FLARSquareDetect.js"></script> <script src="../../src/NyARTransMat.js"></script> <script src="../../src/FLARTransMat.js"></script>
  41. None

  42. face detection

  43. webdesign.maratz.com/lab/responsivetypography RESPONSIVE TYPOGRAPHY

  44. github.com/auduno/headtrackr

  45. auduno.github.com/headtrackr/examples/targets.html HEADTRACKR TARGETS

  46. None
  47. None

  48. @eduardolundgren (Liferay)

  49. trackingjs.com

  50. bit.ly/YVPz3e

  51. bit.ly/ZSZuUd TRACKING.JS SINGLE CONTROLLER

  52. None

  53. Imports tracking.js core Imports tracking.js color module <script src="tracker/color.js"></script> <script

    src="tracking.js"></script> STEP 1 SINGLE CONTROLLER

  54. Gets user's camera and renders it var videoCamera = new

    tracking .VideoCamera() .render(); STEP 2 SINGLE CONTROLLER

  55. Hides video camera and renders a canvas from it videoCamera

    = videoCamera .hide() .renderVideoCanvas(); STEP 3 SINGLE CONTROLLER

  56. STEP 4 SINGLE CONTROLLER Instantiates tracking by magenta color videoCamera.track({

    type: 'color', color: 'magenta', onFound: function() {}, onNotFound: function() {} });

  57. STEP 5 SINGLE CONTROLLER Paints with magenta all detected pixels

    onFound: function(track) { var pixels = track.pixels, ctx = videoCamera.canvas.context; for (var i = 0, len = pixels.length; i < len; i += 2) { ctx.fillStyle = "rgb(255,0,255)"; ctx.fillRect(pixels[i], pixels[i+1], 2, 2); } ctx.fillStyle = "rgb(0,0,0)"; ctx.fillRect(track.x, track.y, 5, 5); }

  58. bit.ly/118nzaL TRACKING.JS MULTIPLE CONTROLLERS

  59. None

  60. Gets user's camera and renders it var videoCamera = new

    tracking .VideoCamera() .render(); STEP 1 MULTIPLE CONTROLLERS

  61. Hides video camera and renders a canvas from it videoCamera

    = videoCamera .hide() .renderVideoCanvas(); STEP 2 MULTIPLE CONTROLLERS

  62. STEP 3 MULTIPLE CONTROLLERS Instantiates tracking by magenta color videoCamera.track({

    type: 'color', color: 'magenta', onFound: function() {}, onNotFound: function() {} });

  63. STEP 4 MULTIPLE CONTROLLERS Draws a square around tracked area

    onFound: function(track) { var size = 60 - track.z; var ctx = videoCamera.canvas.context; ctx.strokeStyle = "rgb(255,0,255)"; ctx.lineWidth = 3; ctx.strokeRect(track.x - size*0.5, track.y - size*0.5, size, size); }

  64. STEP 5 MULTIPLE CONTROLLERS Instantiates tracking by cyan color videoCamera.track({

    type: 'color', color: 'cyan', onFound: function() {}, onNotFound: function() {} });

  65. STEP 6 MULTIPLE CONTROLLERS Draws a square around tracked area

    onFound: function(track) { var size = 60 - track.z; var ctx = videoCamera.canvas.context; ctx.strokeStyle = "rgb(0,255,255)"; ctx.lineWidth = 3; ctx.strokeRect(track.x - size*0.5, track.y - size*0.5, size, size); }

  66. bit.ly/10mIS6h TRACKING.JS DRAW SOMETHING

  67. None

  68. bit.ly/XR5vha TRACKING.JS MINECRAFT

  69. None
  70. None

  71. bit.ly/X6LuGj TRACKING.JS GLASSES

  72. IT’S UP TO YOU!

  73. None

  74. thanks :) zenorocha.com