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

Augmented Reality in JavaScript

Zeno Rocha
April 02, 2013
Programming
13
11k

Augmented Reality in JavaScript

Presented at HTML5 Dev Conf - San Francisco, 2013.

Zeno Rocha

April 02, 2013
Tweet

More Decks by Zeno Rocha

See All by Zeno Rocha
The Next Generation of Developer-First Products
zenorocha
1
530
7 Habits of Highly Productive Developers
zenorocha
1
360
7 Hábitos de Desenvolvedores Altamente Produtivos
zenorocha
1
420
What's new in the Liferay Community
zenorocha
0
630
Launching Liferay Projects Faster with WeDeploy
zenorocha
1
520
How Liferay fits into the real of latest technologies
zenorocha
0
530
Estoicismo e JavaScript
zenorocha
3
1k
Por que ninguém se importa com seu novo projeto open source?
zenorocha
2
870
Como investir em... você!
zenorocha
1
520

Other Decks in Programming

See All in Programming
CSC509 Lecture 14
javiergs
PRO
0
130
HTTP compression in PHP and Symfony apps
dunglas
2
1.7k
Webエンジニア主体のモバイルチームの 生産性を高く保つためにやったこと
igreenwood
0
330
42 best practices for Symfony, a decade later
tucksaun
1
180
RWC 2024 DICOM & ISO/IEC 2022
m_seki
0
200
第5回日本眼科AI学会総会_AIコンテスト_３位解法
neilsaw
0
170
バグを見つけた？それAppleに直してもらおう！
uetyo
0
170
Fibonacci Function Gallery - Part 1
philipschwarz
PRO
0
200
Go の GC の不得意な 部分を克服したい
taiyow
2
760
17年周年のWebアプリケーションにTanStack Queryを導入する / Implementing TanStack Query in a 17th Anniversary Web Application
saitolume
0
250
.NET 9アプリをCGIとして レンタルサーバーで動かす
mayuki
1
770
The rollercoaster of releasing an Android, iOS, and macOS app with Kotlin Multiplatform | droidcon Italy
prof18
0
150

Featured

See All Featured
Stop Working from a Prison Cell
hatefulcrawdad
267
20k
Navigating Team Friction
lara
183
15k
Fashionably flexible responsive web design (full day workshop)
malarkey
405
65k
Fireside Chat
paigeccino
34
3.1k
A Modern Web Designer's Workflow
chriscoyier
693
190k
Intergalactic Javascript Robots from Outer Space
tanoku
270
27k
Side Projects
sachag
452
42k
Six Lessons from altMBA
skipperchong
27
3.5k
Statistics for Hackers
jakevdp
796
220k
Mobile First: as difficult as doing things right
swwweet
222
9k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
28
2.1k
Fontdeck: Realign not Redesign
paulrobertlloyd
82
5.3k

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