Computer vision Des Moines (Prairie Code)
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A beginners guide to computer vision as shared at Prairie Code
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Computer vision Des Moines (Prairie Code)
- 1. COMPUTER VISION A BEGINNERS GUIDE TO
- 2. A BEGINNERS GUIDE TO COMPUTER VISION INTRODUCTION: ANDREW RANGEL ▸ Background: Mobile Development ▸ Passion for new and exciting technologies ▸ Working with and learning CV for ~1 year ▸ Wanted to share my experience
- 3. A BEGINNERS GUIDE TO COMPUTER VISION INTRODUCTION: COMPUTER VISION ▸ What is it ▸ What is it for ▸ Who uses it ▸ Examples ▸ How can you use it ▸ Misconceptions
- 4. A BEGINNERS GUIDE TO COMPUTER VISION WHAT IS IT ▸ Computer Vision is the process of using a computer based algorithm to identify patterns in the data of images ▸ Basic Steps: ▸ Process the image ▸ Use an algorithm to identify a pattern ▸ Present that pattern in a meaningful way
- 5. A BEGINNERS GUIDE TO COMPUTER VISION WHAT IS IT
- 6. A BEGINNERS GUIDE TO COMPUTER VISION WHAT IS IT
- 7. A BEGINNERS GUIDE TO COMPUTER VISION WHAT IS IT
- 8. A BEGINNERS GUIDE TO COMPUTER VISION WHAT IS IT
- 9. A BEGINNERS GUIDE TO COMPUTER VISION WHAT IS IT
- 10. A BEGINNERS GUIDE TO COMPUTER VISION WHAT IS IT ▸ Matrix math ▸ From basic to complex ▸ “Seeing” the matrix
- 11. A BEGINNERS GUIDE TO COMPUTER VISION WHAT IS IT FOR ▸ More uses than you may imagine ▸ Sorting fruit ▸ Self driving vehicles ▸ Snapchat filters ▸ Identifying animals ▸ Identifying patterns humans cannot
- 15. A BEGINNERS GUIDE TO COMPUTER VISION WHO USES IT ▸ Companies from farming to Snapchat ▸ Computer Vision allows companies to process unique input in a way that creates innovation and new industries ▸ Will be integrated more as Augmented Reality grows in popularity
- 16. A BEGINNERS GUIDE TO COMPUTER VISION BAD AI BOT: MY EXCURSION INTO COMPUTER VISION ▸ I wanted to show my family and friends what I meant by “computer vision” ▸ When I showed them they were rarely impressed “meh” ▸ I noticed how terrible it is to use a “stock” model to try and identify the world ▸ Got a much bigger result from friends and family when showing them bad results
- 17. A BEGINNERS GUIDE TO COMPUTER VISION BAD AI BOT: MY EXCURSION INTO COMPUTER VISION
- 18. A BEGINNERS GUIDE TO COMPUTER VISION BAD AI BOT: MY EXCURSION INTO COMPUTER VISION ▸ Started with Inception3 model (open source) ▸ Apple example code ▸ Created UI wrapper and image picker interface ▸ Business logic when sending / receiving images from model
- 19. A BEGINNERS GUIDE TO COMPUTER VISION BAD AI BOT: MY EXCURSION INTO COMPUTER VISION CAMERA OPENCV INCEPTION V3 RESULTS UI
- 20. A BEGINNERS GUIDE TO COMPUTER VISION BAD AI BOT: MY EXCURSION INTO COMPUTER VISION OPENCV INCEPTION V3 RESULTS MODELIMAGEIMAGEIMAGE ERRORADJUST LABELS
- 21. A BEGINNERS GUIDE TO COMPUTER VISION SEE FIRE: A MORE SERIOUS PROJECT ▸ Started with Netflix, naturally ▸ Wildfire epidemic on the west coast ▸ Prevention may be impossible but containment could save lives / homes / money ▸ What if you distributed a mesh network connected army of fire spotters?
- 22. A BEGINNERS GUIDE TO COMPUTER VISION SEE FIRE: A MORE SERIOUS PROJECT ▸ This project seemed more suited for TensorFlow ▸ How to choose images ▸ Decide on how to train model ▸ Determine how you will test model ▸ Next steps
- 23. A BEGINNERS GUIDE TO COMPUTER VISION SEE FIRE: A MORE SERIOUS PROJECT ▸ Sourcing images ▸ Google images (search tools for reuse) ▸ Programming is your friend: Python script ▸ Reviewing images ▸ Content is key
- 24. A BEGINNERS GUIDE TO COMPUTER VISION HOW CAN YOU USE IT ▸ Easiest way to try computer vision is OpenCV on the desktop ▸ Easiest way to use computer vision is a mobile application ▸ 3 easy steps
- 25. A BEGINNERS GUIDE TO COMPUTER VISION HOW CAN YOU USE IT: STEP 1 ▸ Think of a use for computer vision ▸ Don’t start with the technology ▸ Get creative! ▸ Have a clear vision for what you want to achieve
- 26. A BEGINNERS GUIDE TO COMPUTER VISION HOW CAN YOU USE IT: STEP 2 ▸ Evaluate training your own model vs. cloud based ▸ Train your model / start working with API ▸ Test using data the model has never seen
- 27. A BEGINNERS GUIDE TO COMPUTER VISION HOW CAN YOU USE IT: STEP 2 (DETOUR) ▸ OpenCV ▸ TensorFlow ▸ Google Cloud Vision API ▸ Microsoft Azure Computer Vision ▸ Amazon Rekognition
- 28. A BEGINNERS GUIDE TO COMPUTER VISION HOW CAN YOU USE IT: STEP 3 ▸ Integrate your model into your program / app ▸ Test. Test. TEST! ▸ Deploy!
- 29. A BEGINNERS GUIDE TO COMPUTER VISION HOW CAN YOU USE IT: STEP 3 ▸ Integrate your model into your program / app ▸ Test. Test. TEST! ▸ Deploy! ▸ …draw the rest of the owl
- 30. A BEGINNERS GUIDE TO COMPUTER VISION MISCONCEPTIONS ▸ Terminator ▸ Self driving cars ▸ Computer Vision vs. Artificial Intelligence ▸ Facial Recognition ▸ Human behind the computer
- 31. A BEGINNERS GUIDE TO MACHINE LEARNING THANK YOU!