Questions - OpenCV Q&A Forum

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2017-12-15 11:36:55 -0600 d-e-t

Training cascade for detecting arrow signs

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2018-03-09 11:29:29 -0600 sgrossberndt

Need help optimizing training setup to detect all german traffic signs

opencv_traincascade

698

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1

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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

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2018-05-03 12:06:23 -0600 RazeK

How to improve the performance of a Haar cascade classifier during training?

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2018-06-18 15:24:44 -0600 a_zach

OpenCV(3.4.1) Error: Assertion failed (_img.rows * _img.cols == vecSize)

opencv_traincascade

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2018-09-17 03:47:48 -0600 RUCasul

Haar Cascade training not working as intended

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1

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

opencv_traincascade.exe available somewhere?

opencv_traincascade

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2020-04-06 22:01:23 -0600 LearningCV

training haar cascade with single positive sample

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2020-04-28 02:13:05 -0600 Hibiki

I cannot run opencv_traincascade.exe (Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.)

595

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2013-03-25 02:59:12 -0600 thdrksdfthmn

continue traincascade after computer crash

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2

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1

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

OpenCV_traincascade giving a lot of false positives

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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

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2

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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

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2014-05-11 08:38:02 -0600 MSoegtrop

traincascade 2.4.9 produces unreadable format, haartraining 2.4.9 hangs, traincascade git crashes

opencv_traincascade

954

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1

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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

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1

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

Help me with the opencv_traincascade training

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1

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2015-06-25 07:19:44 -0600 Dr. Console

std::bad_alloc in traincascade

117

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1

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2015-07-16 10:29:30 -0600 angela

opencv_traincascade preprocessing

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4

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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

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1

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2

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2013-02-10 14:09:27 -0600 Maria Dimashova

Convert opencv_traincascade intermediate output into xml

1k

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2

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2

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

Performance utility for opencv_traincascade?

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no

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2

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2014-01-20 04:23:48 -0600 igi

opencv_traincascade (neg)image reader parallelization

opencv_traincascade

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1

answer

3

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2013-04-18 03:41:37 -0600 cheekycheetah

Traincascade implementation doubts

2k

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2

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3

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

LBP model training using traincascade

7k

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2

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3

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

Explanation of cascade.xml in a haar classifier

1k

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1

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4

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2015-06-17 11:25:36 -0600 Gino Strato

HAAR training fails at different stages

462

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no

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4

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2015-04-26 13:31:10 -0600 Tonystark124

Which adaboost to use and when?

780

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no

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5

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2012-08-13 02:19:17 -0600 tmanthey

opencv_traincascade with same size negatives (as positives)

511

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no

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5

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2012-10-20 14:14:51 -0600 Barbambya

89 questions

Training cascade for detecting arrow signs

Need help optimizing training setup to detect all german traffic signs

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

How to improve the performance of a Haar cascade classifier during training?

OpenCV(3.4.1) Error: Assertion failed (_img.rows * _img.cols == vecSize)

Haar Cascade training not working as intended

opencv_traincascade.exe available somewhere?

training haar cascade with single positive sample

I cannot run opencv_traincascade.exe (Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.)

continue traincascade after computer crash

OpenCV_traincascade giving a lot of false positives

opencv_traincascade Negative samples training method

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

traincascade 2.4.9 produces unreadable format, haartraining 2.4.9 hangs, traincascade git crashes

Problem with opencv_traincascade version OpenCV 2.4.10.0

Help me with the opencv_traincascade training

std::bad_alloc in traincascade

opencv_traincascade preprocessing

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

Convert opencv_traincascade intermediate output into xml

Performance utility for opencv_traincascade?

opencv_traincascade (neg)image reader parallelization

Traincascade implementation doubts

LBP model training using traincascade

Explanation of cascade.xml in a haar classifier

HAAR training fails at different stages

Which adaboost to use and when?

opencv_traincascade with same size negatives (as positives)

Face Databases used for trainingfaces_24-24.vec

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