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Version 11 (Gary Bradski, 2016-01-12 06:12 pm)
1 | 9 | Gary Bradski | h2. 2013-XX-XX |
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2 | 1 | ||
3 | 1 | _*Agenda*_ |
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4 | 1 | ||
5 | 1 | * . |
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6 | 1 | ||
7 | 1 | *_Minutes_* |
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8 | 1 | ||
9 | 1 | * . |
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10 | 1 | ||
11 | 1 | ||
12 | 1 | _*Vadim*_ |
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13 | 1 | <pre> |
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14 | 11 | Gary Bradski | [OpenCV 2.4.4: Evgeny + Tegra team] |
15 | 11 | Gary Bradski | OpenCV 2.4.4 is out! Here is the announce: http://opencv.org/opencv-2-4-4-is-out.html |
16 | 11 | Gary Bradski | Big thanks to Tegra team, who took responsibility over the release process (and do that very well) and Evgeny who |
17 | 11 | Gary Bradski | helped a lot, in parallel with the work on the text detection algorithm. |
18 | 11 | Gary Bradski | |
19 | 11 | Gary Bradski | At the same time, the number of downloads from sf.net/projects/opencvlibrary exceeded 6,000,000! |
20 | 11 | Gary Bradski | |
21 | 11 | Gary Bradski | 2.4.5 will almost certainly be released around June 1st, i.e. ~the same time as 2.5.0 (if 2.5.0 is on time) |
22 | 11 | Gary Bradski | |
23 | 11 | Gary Bradski | [OpenCV 2.5: Vadim] |
24 | 11 | Gary Bradski | Stereo correspondence classes in calib3d have been refactored. Now they have the same class StereoMatcher - the change |
25 | 11 | Gary Bradski | requested by Adrian and several other people. |
26 | 11 | Gary Bradski | |
27 | 11 | Gary Bradski | The whole module video has been refactored too: Meanshift, Camshift and motion templates have been rewritten in C++, |
28 | 11 | Gary Bradski | background subtractor classes have been cleaned too to adhere OpenCV 2.5 principles. |
29 | 11 | Gary Bradski | |
30 | 11 | Gary Bradski | The document "Towards OpenCV 2.5" has been written. This is initial todo list and discussion of the key things that |
31 | 11 | Gary Bradski | should be done by 2.5.0. The basic idea is that we should do as much of necessary API changes by 2.5.0 as possible, |
32 | 11 | Gary Bradski | since after that we can not break API for a very long time. Everything else, i.e. implementation-related things, can be |
33 | 11 | Gary Bradski | done in 2.5.x. We already discussed a bit possible modifications in the base Algorithm class. |
34 | 11 | Gary Bradski | |
35 | 11 | Gary Bradski | [Bilateral filter optimization: Ilya] |
36 | 11 | Gary Bradski | Ilya Lavrenov got back to his previous work - optimization of the bilateral filter. By optimizing the memory access |
37 | 11 | Gary Bradski | pattern he managed to squeeze some more performance (~10% for floating-point images, ~20% for 8-bit images). |
38 | 11 | Gary Bradski | |
39 | 11 | Gary Bradski | [Text detection: Evgeny] |
40 | 11 | Gary Bradski | I finally realized that it's not quite fair to call this a Matas algorithm, since the first author of the paper is his |
41 | 11 | Gary Bradski | student Neumann. So, let's call it NM text detection algorithm. And this is how it's called in the code (more exactly |
42 | 11 | Gary Bradski | ERFilterNM1, 1 is for the first stage). |
43 | 11 | Gary Bradski | Evgeny is finishing work on the 1st stage of the NM algorithm and will switch to another task next week. Convenient and |
44 | 11 | Gary Bradski | flexible API has been developed. Basically, user supplies image an callback (the "classifier") that takes extremal |
45 | 11 | Gary Bradski | region (ER) and returns probability - the measure of how good it is. On output the algorithm gives the list of survived |
46 | 11 | Gary Bradski | extremal regions. Following the paper philosophy, each ER, regardless of its area and shape, takes O(1) space and O(1) |
47 | 11 | Gary Bradski | time to process. The actual region mask can then be extracted using cv::floodfill or cv::threshold + cv::findContours |
48 | 11 | Gary Bradski | functions. |
49 | 11 | Gary Bradski | |
50 | 11 | Gary Bradski | [github statistics] |
51 | 11 | Gary Bradski | Over 35 pull requests have been closed during the last week. |
52 | 6 | Gary Bradski | </pre> |
53 | 6 | Gary Bradski | |
54 | 1 | *_Action Items_* |
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55 | 1 | ||
56 | 1 | *Gary* |
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57 | 1 | ||
58 | 1 | * . |
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59 | 1 | ||
60 | 1 | *Vincent* |
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61 | 1 | ||
62 | 1 | * . |
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63 | 1 | ||
64 | 1 | *Vadim* |
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65 | 1 | ||
66 | 1 | * . |
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67 | 1 | ||
68 | 1 | *Victor* |
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69 | 1 | ||
70 | 5 | Gary Bradski | * . |
71 | 1 | ||
72 | 1 | _*From Last Time*_ |
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73 | 1 | ||
74 | 1 | *Gary* |
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75 | 1 | ||
76 | 1 | * . |
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77 | 1 | ||
78 | 1 | *Vincent* |
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79 | 1 | ||
80 | 1 | * . |
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81 | 1 | ||
82 | 1 | *Vadim* |
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83 | 1 | ||
84 | 1 | * . |
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85 | 1 | ||
86 | 1 | *Victor* |
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87 | 1 | ||
88 | 1 | * . |
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89 | 2 | Gary Bradski | |
90 | 2 | Gary Bradski | <pre> |
91 | 4 | Gary Bradski | <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><> |
92 | 2 | Gary Bradski | </pre> |