Questions - OpenCV Q&A Forum

128

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1

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no

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2016-12-20 04:37:49 -0600 StevenPuttemans

Cascade Classifier Training: Is the negNum decreasing each stage?

720

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2

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2016-12-29 02:24:09 -0600 pi-null-mezon

Why cv::CascadeClassifier works slover in 320 version?

2k

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no

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2017-01-30 07:53:58 -0600 Pedro Batista

Combine a Haar Cascade with color detection

436

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1

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no

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2017-02-07 08:48:22 -0600 berak

Using GpuCascadeClassifier with self trained cascade file

73

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no

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2017-02-20 21:26:39 -0600 Tetragramm

Algorithms used for to train cascade classifier

cascadeclassifier

513

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2017-04-07 23:36:26 -0600 berak

How to solve this error ?error: ..\..\..\..\opencv\modules\imgproc\src\color.cpp:3739: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor

229

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2017-04-24 08:20:44 -0600 StevenPuttemans

How to run the Cascade Classifier code?

253

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no

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2017-05-04 05:20:38 -0600 berak

Face Detection Parameters

4k

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3

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2018-03-25 12:42:45 -0600 cellurl

Traffic Sign Recognition Concept

394

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no

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2017-06-07 08:26:32 -0600 StevenPuttemans

How to use soft cascade in opencv 3

830

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2017-08-18 20:54:59 -0600 supra56

Face detection not working on specific image

142

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1

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2017-07-01 01:26:01 -0600 berak

how to recover train cascade from stage

815

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2017-07-10 12:55:31 -0600 berak

GPU Face Detection Error

1k

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2017-07-12 07:40:18 -0600 gfx

[Solved] Ubuntu 14 opencv3.0.0 Training your own detector | packtpub.com error ...

1k

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1

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no

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2017-09-26 05:00:33 -0600 vohungvi

No output from opencv_createsamples

934

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1

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2017-10-11 07:19:36 -0600 StevenPuttemans

HAAR Cascade opencl and Nvidia GPU - Code question

264

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no

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2018-02-16 05:03:51 -0600 StevenPuttemans

Cascade classifier training: object edges on positive samples?

1k

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1

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no

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2018-02-28 02:39:55 -0600 saideepthik

Error while running code that uses Haar Classifier xml: "Incorrect type of self "

1k

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no

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2018-02-28 04:15:46 -0600 berak

How to use a dpm cascade model xml file in a Python script?

1k

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1

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2018-03-04 11:39:07 -0600 Joshitha

Insufficient memory in function cvAlloc, how to release memory?

1k

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no

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2018-03-16 01:57:39 -0600 Joshitha

Bad argument in function cvReleaseData, how to fix the error?

1k

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no

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2018-03-29 00:49:51 -0600 usuf

Segmentation fault.. using opencv_createsamples

367

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2018-03-09 08:55:21 -0600 StevenPuttemans

Cascade classier DetectMultiScale()

699

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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

745

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no

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2018-04-25 07:46:03 -0600 StevenPuttemans

Combining classifiers

cascadeclassifier

556

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1

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no

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2018-04-27 02:07:27 -0600 berak

Training cuda::CascadeClassifier

2k

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1

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no

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2018-06-06 00:52:43 -0600 berak

cascade frontal and profile face

258

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1

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no

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2018-06-27 05:23:40 -0600 berak

Cascade training, background size.

5k

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1

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no

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2018-07-03 06:28:58 -0600 Nigeltve

'opencv_createsamples' is not recognized as an internal or external command

3k

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1

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no

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2018-07-13 06:38:46 -0600 ioemmano

253 questions

Cascade Classifier Training: Is the negNum decreasing each stage?

Why cv::CascadeClassifier works slover in 320 version?

Combine a Haar Cascade with color detection

Using GpuCascadeClassifier with self trained cascade file

Algorithms used for to train cascade classifier

How to solve this error ?error: ..\..\..\..\opencv\modules\imgproc\src\color.cpp:3739: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor

How to run the Cascade Classifier code?

Face Detection Parameters

Traffic Sign Recognition Concept

How to use soft cascade in opencv 3

Face detection not working on specific image

how to recover train cascade from stage

GPU Face Detection Error

[Solved] Ubuntu 14 opencv3.0.0 Training your own detector | packtpub.com error ...

No output from opencv_createsamples

HAAR Cascade opencl and Nvidia GPU - Code question

Cascade classifier training: object edges on positive samples?

Error while running code that uses Haar Classifier xml: "Incorrect type of self "

How to use a dpm cascade model xml file in a Python script?

Insufficient memory in function cvAlloc, how to release memory?

Bad argument in function cvReleaseData, how to fix the error?

Segmentation fault.. using opencv_createsamples

Cascade classier DetectMultiScale()

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

Combining classifiers

Training cuda::CascadeClassifier

cascade frontal and profile face

Cascade training, background size.

'opencv_createsamples' is not recognized as an internal or external command

Building detection in satellite imagery

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