Quest of a Hero @ Londroid April 2017

A quest of the hero that everyone has inside, having a parallelism with an animated story (dragon ball), I give a trip around my experience from the beginning to nowadays in Android, how this started, how did go, what did help, and what I would expect to be at a next future. In addition to this, I would introduce a short use case for building a MVP (minimum viable product) related with a past experience, talking about machine learning (face recognition) on Android devices with Augmented reality (AR). This would explain how to plan those kind of tasks, the process to follow and future work for those specific projects.

Transcript

1. Raúl Hernández López Software Engineer focused on Android April 2017 Quest of a Hero @RaulHernandezL #QuestOfAHero @londroid
2. Part 1: The Real Hero @RaulHernandezL #QuestOfAHero @londroid
3. Why? • Change of career @RaulHernandezL #QuestOfAHero @londroid
4. Why? • Change of career • Interests for new paradigms @RaulHernandezL #QuestOfAHero @londroid
5. Why? • Change of career • Interests for new paradigms • Market change @RaulHernandezL #QuestOfAHero @londroid
6. “Before you run, you have to first learn to walk.” @RaulHernandezL #QuestOfAHero @londroid
7. Birth @RaulHernandezL #QuestOfAHero @londroid
8. Birth I want to become an awesome engineer @RaulHernandezL #QuestOfAHero @londroid
9. Who would I like to be? • Decide your path @RaulHernandezL #QuestOfAHero @londroid
10. Who would I like to be? • Decide your path ◦ Backend / Frontend ◦ Data science ◦ Games / VR / AR ◦ Machine learning ◦ Mobile: Android / iOS ◦ ... @RaulHernandezL #QuestOfAHero @londroid
11. Who would I like to be? • Drive your steps ◦ Make a short/long term plan @RaulHernandezL #QuestOfAHero @londroid
12. @RaulHernandezL Adventures & Preparation #QuestOfAHero @londroid
13. Challenges & motivation Mentor @RaulHernandezL Adventures & Preparation #QuestOfAHero @londroid
14. Adventures & Preparation Be ready for failure Acquired knowledge @RaulHernandezL #QuestOfAHero @londroid
15. Be part of something you love @RaulHernandezL #QuestOfAHero @londroid
16. Quest @RaulHernandezL #QuestOfAHero @londroid
17. Quest Continuous Improving • Learn from mistakes • Continuous learning • Right tool for the right job @RaulHernandezL #QuestOfAHero @londroid
18. Quest Openness • Be open to change • Accept critics • Talent @RaulHernandezL #QuestOfAHero @londroid
19. Quest Enthusiasm • Work hard to get better Fail • No matter what, keep improving @RaulHernandezL #QuestOfAHero @londroid
20. Never surrender @RaulHernandezL #QuestOfAHero @londroid
21. LIMITLESS • Leave your comfort zone @RaulHernandezL Experiment #QuestOfAHero @londroid
22. @RaulHernandezL LIMITLESS • Leave your comfort zone ◦ Remote ◦ New countries Experiment #QuestOfAHero @londroid
23. LIMITLESS • Achieve improvement ◦ Code reviews ◦ Discussions ◦ Pet projects Experiment @RaulHernandezL #QuestOfAHero @londroid
24. LIMITLESS • Community ◦ Online ◦ Offline ◦ Help others ◦ Be grateful (and humble) Experiment @RaulHernandezL #QuestOfAHero @londroid
25. Your Choices make the Difference @RaulHernandezL #QuestOfAHero @londroid
26. Check results & Plan next @RaulHernandezL #QuestOfAHero @londroid
27. Check results & Plan next @RaulHernandezL Team Surround you with the best people #QuestOfAHero @londroid
28. Expertise What I would need to know now? 100%? Team Surround you with the best people Check results & Plan next @RaulHernandezL #QuestOfAHero @londroid
29. Egoless, be humble @RaulHernandezL #QuestOfAHero @londroid
30. @RaulHernandezL #QuestOfAHero @londroid PAST and Future
31. @RaulHernandezL #QuestOfAHero @londroid Look back Have I achieved my initial goals? PAST and Future
32. PAST and Future Remember what made yourself better and keep it in mind @RaulHernandezL #QuestOfAHero @londroid
33. All we have a Goku inside @RaulHernandezL #QuestOfAHero @londroid
34. All we have a Goku Hero inside, let it shine! @RaulHernandezL #QuestOfAHero @londroid
35. Credits & Thanks! Alex Magic Counselors Actors Awesome Engineers! @RaulHernandezL Sergio Carabantes Steve Lilly Alex Miragall Luis Ibañez Nico Patarino Saúl Díaz Rubén Blanco Luxo #QuestOfAHero @londroid Raúl Raja
36. Part 2: Let´s Do it! @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid
37. @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Image recognition The Plan
38. @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Image recognition • Augmented Reality The Plan
39. Brainstorm @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • A super cool rainbow on my tongue
40. @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • A super cool rainbow on my tongue • some manga eyes Brainstorm
41. @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid Brainstorm • A super cool rainbow on my tongue • some manga eyes • massive teeth…
42. Use case @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • A super cool rainbow on my tongue • some manga eyes • massive teeth…
43. Use case @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • A super cool rainbow on my tongue • some manga eyes • massive teeth… Stop it!
44. What do we want to achieve? @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid
45. What do we want to achieve? @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Build a Prototype
46. What do we want to achieve? @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Build a Prototype • Something functional
47. What do we want to achieve? @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Build a Prototype • Something functional (but simple!)
48. What do we want to achieve? @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Build a Prototype • Something functional • Easy to be extended
49. And remember @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid simple!
50. Use case @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Kind of...
51. High level Requirements: @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Selfie camera
52. High level Requirements: @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Face recognition • Drawing POIs
53. How do I start? @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Choose a machine learning library: ◦ OpenCV ◦ TensorFlow
54. How do I start? @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Choose a machine learning library • Native camera recognition ◦ Camera API ◦ Camera2 API
55. Image recognition @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Detection model (cascade classifier) ◦ Haar Cascade vs Local Binary Pattern Histograms (LBPH) ▪ Haar is Slower, more reliable ▪ LBPH is faster, less reliable
56. Image recognition @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Camera native Recognition ◦ Fast, reliable
57. Rendering graphics @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Limited • Fast, but very simple
58. Rendering graphics @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Canvas rendering ◦ No so fast, but flexible
59. Rendering graphics @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • OpenGL or external Graphics libraries ◦ Fast, more complex to start with
60. Can´t wait! Gonna get stuff done! @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid
61. OpenCV sample @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • First prototype
62. OpenCV sample @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid ◦ Face (& eyes) recognition ◦ AR markers
63. OpenCV sample @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid ◦ Accurate Eye recognition ◦ AR markers
64. @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid OpenCV result
65. Camera2 sample @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid • Second prototype
66. @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid ◦ Face recognition (Camera2) Camera2 sample
67. @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid ◦ Face recognition (Camera2) ◦ AR marker (Paint) ◦ Canvas on a View Camera2 sample
68. Camera2 result @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid
69. References @RaulHernandezL #AR #MachineLearning #QuestOfAHero @londroid Image Recognition & AR Presentation Samples: https://github.com/raulh82vlc/ImageRecognitionSamples OpenCV OpenCV tutorial http://www.learnopencv.com/image-recognition-and-object-detection-part1/ OpenCV Sample https://github.com/opencv/opencv/tree/master/samples/android/face-detection OpenCV for Secret Agents - Joseph Howse https://www.packtpub.com/application-development/opencv-secret-agents Camera 2 Camera 2 Sample Basic https://github.com/googlesamples/android-Camera2Basic Camera 2 Reference https://developer.android.com/reference/android/hardware/camera2/package-summary.html Camera 2 Introduction on Dev.Bytes https://youtu.be/Xtp3tH27OFs
70. Questions? Thanks! @RaulHernandezL #MachineLearning #QuestOfAHero @londroid