Questions - OpenCV Q&A Forum

954

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1

answer

1

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2014-11-03 03:32:00 -0600 StevenPuttemans

Problem with opencv_traincascade version OpenCV 2.4.10.0

opencv_traincascade

1k

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1

answer

1

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2015-04-26 22:36:28 -0600 pulp_fiction

Help me with the opencv_traincascade training

333

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1

answer

no

votes

2015-05-13 03:24:29 -0600 Gino Strato

Does opencv_traincascades give consistent results over time?

opencv_traincascade

990

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1

answer

no

votes

2015-07-16 06:42:06 -0600 thdrksdfthmn

opencv_traincascade detection phase: obtain confidence of each detection window

834

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1

answer

no

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2015-08-25 07:29:22 -0600 berak

opencv_traincascade error: Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.

opencv_traincascade

282

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1

answer

no

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2015-12-20 14:03:30 -0600 Delauney

opencv_traincascade throwing error "...lbpfeatures.cpp:17: error: (-215) _maxSampleCount > 0 in function init"

9k

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1

answer

no

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2016-03-30 07:01:42 -0600 StevenPuttemans

Cascade Training Error OpenCV 3.1 - Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.

212

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1

answer

no

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2016-04-05 07:39:53 -0600 StevenPuttemans

About parameters of traincascade

525

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1

answer

no

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2016-04-22 07:12:18 -0600 StevenPuttemans

OpenCV_CreateSamples and Training can't read negatives.txt

1k

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1

answer

no

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2016-05-26 06:47:32 -0600 StevenPuttemans

Haar cascade training

535

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1

answer

no

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2016-10-05 05:59:56 -0600 StevenPuttemans

cascade training best practices for lit sign

583

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1

answer

no

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2016-10-28 04:51:23 -0600 StevenPuttemans

Picture and Samples Sizes opencv_traincascade

150

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1

answer

no

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2017-04-07 15:53:33 -0600 StevenPuttemans

Meaning of stages in traincascade

opencv_traincascade

342

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1

answer

no

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2017-04-14 07:42:06 -0600 StevenPuttemans

Order of sampling negative examples

323

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1

answer

no

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2017-09-07 02:31:24 -0600 StevenPuttemans

Traincascade cannot reach False Alarm Rate?

opencv_traincascade

698

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1

answer

no

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2018-04-16 00:35:24 -0600 kapil goyal

aborted core dumped :NEG current samples: 7250 terminate called after throwing an instance of 'std::out_of_range' what(): basic_string::substr: __pos (which is 140) > this->size() (which is 11) Aborted (core dumped)7254

729

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1

answer

no

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2018-04-19 03:47:53 -0600 StevenPuttemans

opencv traincascade on windows

727

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1

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no

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2020-03-29 05:05:58 -0600 ComputerVisionary

opencv_traincascade.exe available somewhere?

opencv_traincascade

2k

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2

answers

3

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2013-02-28 09:58:49 -0600 berak

LBP model training using traincascade

7k

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2

answers

3

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2013-04-11 11:52:36 -0600 IsaacFernandez

Explanation of cascade.xml in a haar classifier

2k

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2

answers

1

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2013-05-16 05:53:33 -0600 vinayverma

OpenCV_traincascade giving a lot of false positives

2k

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2

answers

no

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2013-07-13 13:05:25 -0600 asd

correct parameters for createsamples and traincascade

7k

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2

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no

votes

2016-12-12 23:37:22 -0600 Tim Pham

Using opencv_traincascade and speed up the processing

1k

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2

answers

2

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2014-02-10 06:17:34 -0600 StevenPuttemans

Performance utility for opencv_traincascade?

1k

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2

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1

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2015-02-09 07:00:48 -0600 _Martin

Why does opencv_traincascade not ignore nodes with a false alarm rate of 1

opencv_traincascade

2k

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2

answers

-1

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2015-04-24 05:04:30 -0600 la lluvia

get images from opencv_createsamples, annotations, png files

2k

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2

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no

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2016-02-02 06:50:43 -0600 StevenPuttemans

why may detectMultiScale() give too many points out of the interested object?

6k

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3

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1

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2014-07-22 02:10:33 -0600 xonobo

opencv_traincascade Negative samples training method

35k

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4

answers

2

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2014-01-19 20:49:42 -0600 antonio.paes

Traincascade Error: Bad argument (Can not get new positive sample. The most possible reason is insufficient count of samples in given vec-file.

opencv_traincascade

89 questions

Problem with opencv_traincascade version OpenCV 2.4.10.0

Help me with the opencv_traincascade training

Does opencv_traincascades give consistent results over time?

opencv_traincascade detection phase: obtain confidence of each detection window

opencv_traincascade error: Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.

opencv_traincascade throwing error "...lbpfeatures.cpp:17: error: (-215) _maxSampleCount > 0 in function init"

Cascade Training Error OpenCV 3.1 - Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.

About parameters of traincascade

OpenCV_CreateSamples and Training can't read negatives.txt

Haar cascade training

cascade training best practices for lit sign

Picture and Samples Sizes opencv_traincascade

Meaning of stages in traincascade

Order of sampling negative examples

Traincascade cannot reach False Alarm Rate?

aborted core dumped :NEG current samples: 7250 terminate called after throwing an instance of 'std::out_of_range' what(): basic_string::substr: __pos (which is 140) > this->size() (which is 11) Aborted (core dumped)7254

opencv traincascade on windows

opencv_traincascade.exe available somewhere?

LBP model training using traincascade

Explanation of cascade.xml in a haar classifier

OpenCV_traincascade giving a lot of false positives

correct parameters for createsamples and traincascade

Using opencv_traincascade and speed up the processing

Performance utility for opencv_traincascade?

Why does opencv_traincascade not ignore nodes with a false alarm rate of 1

get images from opencv_createsamples, annotations, png files

why may detectMultiScale() give too many points out of the interested object?

opencv_traincascade Negative samples training method

Traincascade Error: Bad argument (Can not get new positive sample. The most possible reason is insufficient count of samples in given vec-file.

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