| { | |
| "about": "Frozen reader curves of QR Scan Difficulty's 8-scanner fit: P(read) = 1 / (1 + exp(-a (theta - b))); d = 100 (b - lo) / (hi - lo), clipped to 0..100; prior on b: normal, mean 0, sd prior_b.", | |
| "build": "ab950967c2e3", | |
| "decoders": [ | |
| "zxing-cpp", | |
| "wechat", | |
| "opencv", | |
| "opencv-aruco", | |
| "zxing-java" | |
| ], | |
| "frames": [ | |
| 1920, | |
| 1280, | |
| 896, | |
| 640, | |
| 448, | |
| 320, | |
| 224 | |
| ], | |
| "theta": [ | |
| [ | |
| 0.27710888957722746, | |
| 0.27674712139198787, | |
| 0.27068171765609134, | |
| 0.24626287308252567, | |
| 0.14845170815280972, | |
| 0.06487296561403709, | |
| -0.034823169433909805 | |
| ], | |
| [ | |
| 0.4698073392516885, | |
| 0.46650221681442977, | |
| 0.4669085248830118, | |
| 0.4616012079575098, | |
| 0.43301066108452313, | |
| 0.3266129273009262, | |
| 0.26600348740597174 | |
| ], | |
| [ | |
| -0.29859519631484205, | |
| -0.27189106695948, | |
| -0.312673328272636, | |
| -0.39309536108346227, | |
| -0.424328897396233, | |
| -0.5050346696762299, | |
| -0.6683734772327675 | |
| ], | |
| [ | |
| 0.12090703519556142, | |
| 0.10622214141632878, | |
| 0.07847529392515855, | |
| 0.02204415020301258, | |
| -0.07169233278426787, | |
| -0.12154126407558924, | |
| -0.22883152282836713 | |
| ], | |
| [ | |
| 0.10857481839820793, | |
| 0.11369131213732923, | |
| 0.09403603073039782, | |
| 0.04805814854780917, | |
| -0.33551781410071935, | |
| -0.35319714356894355, | |
| -0.1546374310859858 | |
| ] | |
| ], | |
| "a": [ | |
| [ | |
| 40.0, | |
| 40.0, | |
| 40.0, | |
| 40.0, | |
| 20.553905731889362, | |
| 12.391492867303578, | |
| 7.801398322477276 | |
| ], | |
| [ | |
| 9.972181752968174, | |
| 10.317143603145677, | |
| 10.459521854212188, | |
| 9.699688051445548, | |
| 7.69244123200513, | |
| 5.258204348674037, | |
| 3.288641634367092 | |
| ], | |
| [ | |
| 3.5518543114483623, | |
| 3.799591138001596, | |
| 4.22906286613059, | |
| 5.411315532084713, | |
| 5.898060195693762, | |
| 5.855331596391735, | |
| 5.2254797365781345 | |
| ], | |
| [ | |
| 8.643227521632946, | |
| 9.281797459543874, | |
| 10.208288201647807, | |
| 11.838194833068727, | |
| 13.457647525595197, | |
| 9.967122415704294, | |
| 9.062951292244799 | |
| ], | |
| [ | |
| 8.657421929842052, | |
| 9.323487870604488, | |
| 10.776144697875182, | |
| 14.583314136756151, | |
| 4.751850240644109, | |
| 5.11240184349814, | |
| 7.711293510056291 | |
| ] | |
| ], | |
| "lo": -0.5646, | |
| "hi": 0.8958, | |
| "prior_b": 2.5 | |
| } |