### vnc

host 192.168.10.21

<http://192.168.10.21:6199/>

work path
/home/logic/_workspace/task-list/servers/logic-NUC8i5BEH/opencv-workdesk/001_monitor/src/007-test

# test results

### currently bad result on recognizing elephant, horse and mountain

- i want to know if increase nPos can help 
    - 400 -> 4000
    - 400 -> 12000

- i am testing nPos 10, nNeg ~2000, nStages 15 on `007-train-bus-test-big-pos-pic`
  - i want to know if large dimensions of pos image can help

| nPos(p) | nNeg(n) | nStage(s) |     px     | success |  TT   | TT base |  FT   | FT base | reasons / remarks / conclusion                                                                 |
| :-----: | :-----: | :-------: | :--------: | :-----: | :---: | :-----: | :---: | :-----: | :--------------------------------------------------------------------------------------------- |
|  12800  |   200   |     5     |     24     | failed  |   ?   |    ?    |   ?   |    ?    | 007-train-bus-test-pos-pic-100px, i want to know lower stage can build ?                       |
|  32000  |   200   |     5     |     24     | failed  |   ?   |    ?    |   ?   |    ?    | 007-train-bus-test-pos-pic-24px, i need a build success                                        |
|  9600   |   200   |     5     |     24     | failed  |   ?   |    ?    |   ?   |    ?    | 007-train-bus-test-pos-pic-100px, i want to know lower stage can build ?                       |
|  9600   |   200   |    15     |     24     | failed  |   ?   |    ?    |   ?   |    ?    | 007-train-bus-test-pos-pic-24px, i need a build success                                        |
|  2400   |   200   |    15     |     24     | failed  |   ?   |    ?    |   ?   |    ?    | 007-train-bus-test-pos-pic-24px, i need a build success                                        |
|   400   |   200   |    15     |     50     |   N/A   |   1   |   50    |   2   |   450   | 007-train-bus-test-big-pos-pic, seems good when using 50px, build failed, increase nPos to 800 |
|   50    |   200   |    15     |    100     |   N/A   |  50   |   50    |  450  |   450   | 007-train-bus-test-pos-pic-50, try pos 10 -> 50 samples,                                       |
|   10    |   200   |     5     |    100     |   N/A   |   0   |   50    |   0   |   450   | 007-train-bus-test-pos-pic-100px, try 100px pos size                                           |
|   10    |   200   |    15     |     50     |   N/A   |   1   |   50    |   2   |   450   | 007-train-bus-test-big-pos-pic, try 50px pos size                                              |
|   10    |   200   |     5     | orig. size |   N/A   |   0   |   50    |   0   |   450   | seems original size not a correct size, try 50px black and white                               |
|   200   |  1783   |    15     |     24     |   N/A   |   7   |    7    |  51   |   51    | ongoing, test to find bus image                                                                |
|   200   |  1971   |    15     |     24     |   N/A   |   7   |    7    |  51   |   51    | ongoing, add flowers and horse                                                                 |
|   200   |  1603   |     5     |     50     |   N/A   |   x   |    x    |   x   |    x    | try reduce fault rate by increase px, resut -> cannot built                                    |
|   200   |  1603   |    10     |     24     |   N/A   |  50   |   50    |  441  |   450   | stage 10 is not acceptable, return to use 15                                                   |
|   200   |  1603   |     5     |     24     |   N/A   |  50   |   50    |  450  |  ~450   | small stage can kills accurancy                                                                |
|   200   |  1603   |    15     |     24     |   N/A   |  33   |   50    |  100  |   450   | currently best bulid                                                                           |
|   200   |  1354   |     5     |     24     |   N/A   |   4   |    4    |   9   |   26    | i want to see if stage can keep same result but trainging faster                               |
|   200   |  1354   |    15     |     24     |   N/A   |   4   |    4    |   9   |   26    | ongoing                                                                                        |
|   200   |   944   |    15     |     24     |   N/A   |   4   |    4    |   9   |   26    | guess, this is 900 + 44 bus photo result                                                       |
|   200   |   900   |    15     |    100     |   N/A   |   2   |    2    |   7   |   14    | ongoing, i want to know if i increase px increase accuracy                                     |
|   200   |   900   |    15     |     24     |   N/A   |   2   |    2    |   7   |   14    |                                                                                                |
|   100   |   300   |    15     |     x      |   N/A   |  33   |   142   |   x   |    x    |                                                                                                |

```bash
-numPos 100
-numNeg 300
-numStages 15
```

```bash
count_good_result      : 33
count_good_result_base : 99
count_bad_result       : 142
```

### test with 100 posdata

```bash
count_good_result      : 33
count_good_result_base : 99
count_bad_result       : 142
```


https://pythonprogramming.net/haar-cascade-object-detection-python-opencv-tutorial/

i want to test haar cascade classifier, i need to make a helloworld

https://machinelearningmastery.com/training-a-haar-cascade-object-detector-in-opencv/

https://github.com/yang-hfff/opencv_traincascade/tree/master

https://cloud.tencent.com/developer/article/1996918