kalassak

dvorak

May 22nd, 2016
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  1. [22:00] <Kal|Linux> things to learn tomorrow:
  2. [22:00] <Kal|Linux> how do you train the model and save its state
  3. [22:00] <Kal|Linux> without having to train it every time the program is run
  4. [22:00] <Kal|Linux> also how to use the model to predict
  5. [22:00] <Kal|Linux> rather than just saying 'oh i'm 99% accurate'
  6. [22:01] <Kal|Linux> on test cases where the answer may not be "known"
  7. [22:01] <Kal|Linux> and to print out that answer
  8. [22:01] <Kal|Linux> then i can begin constructing the neural network to analyze satellite imagery
  9. [22:02] <Kal|Linux> most of which is going to be finding the imagery
  10.  
  11. [22:03] <Kal|Linux> hm
  12. [22:03] <Kal|Linux> does anyone know that one website
  13. [22:03] <Kal|Linux> where YE gets lots of old archived dvorak from for EPAC storms
  14. [22:03] <Kal|Linux> ir_bd imagery
  15. [22:04] <+JD|cloud> nrlmry?
  16. [22:05] <Kal|Linux> no like
  17. [22:05] <Kal|Linux> storms from the 80s
  18. [22:05] <Kal|Linux> nrl only goes back to like 95 or something
  19. [22:05] <Kal|Linux> also i wonder if for the source imagery i should use dvorak or normal grayscale ir imagery
  20. [22:06] <Kal|Linux> dvorak might run faster because the images could theoretically be compressed and the neural network could do edge detection
  21. [22:06] <Kal|Linux> but grayscale might have more information to work with
  22. [22:06] <Kal|Linux> and therefore be more accurate?
  23. [22:06] <Kal|Linux> idk
  24. [22:07] <Kal|Linux> i'll do science to it
  25. [22:07] <Kal|Linux> i'll try both
  26. [22:08] * JD|cloud sees that you're not having faith in a linear classifier-based approach
  27. [22:08] <Kal|Linux> what is a linear classifier based approach
  28. [22:08] <+JD|cloud> e.g. the perceptron algorithm with appropriate feature weights
  29. [22:08] <+JD|cloud> with the different classifications being different 5-kt intervals, etc.
  30. [22:09] <+JD|cloud> but stick to a neural network I'd say
  31. [22:09] <Kal|Linux> idk what perceptron is
  32. [22:09] <Kal|Linux> but i also have no idea how neural networks really work either so lol
  33. [22:09] <+JD|cloud> read up on it
  34. [22:10] <Kal|Linux> maybe i'll end up trying multiple approaches
  35. [22:10] <Kal|Linux> then i can see what does best :P
  36.  
  37. https://www.tensorflow.org/versions/r0.8/tutorials/mnist/pros/index.html#a1
  38.  
  39. perceptron... other ways of doing it idk
  40.  
  41. i want it to compare with bins or w/e you know and print out like
  42.  
  43. 35 0.002
  44. 40 0.020
  45. 45 0.189
  46. 50 0.354
  47. 55 0.207
  48. 60 ...
  49. 65
  50. 70
  51. 75
  52.  
  53. etc
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