Questions - OpenCV Q&A Forum

325

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no

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2019-02-21 04:17:13 -0600 berak

Can we create our own haar-cascade file for multi-view face detection

223

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no

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no

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2019-03-02 02:51:47 -0600 UnluckyTicket

Need help with training cascade classifier

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2019-05-07 04:20:08 -0600 lovehell

Stage threshold in cascade training

cascadeclassifier

233

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no

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2019-06-05 03:44:48 -0600 supra56

CascadeClassifier doesn't work with cascade.xml trained by myself. It always blocked when use method detectMultiScale()

300

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2019-08-09 14:55:25 -0600 Programmerperson

OpenCV face detection results in "debug assertion failed"

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2

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2019-10-24 09:30:24 -0600 supra56

OpenCV 3 - Python's detectMultiScale3 fails in clipObjects

201

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no

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1

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2020-01-08 17:43:05 -0600 simba

why value of levelWeights given by CascadeClassifier::detectMultiScale can be negative?

408

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-1

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2020-03-29 04:56:40 -0600 ComputerVisionary

Train cascade classifier for game screenshots

cascadeclassifier

227

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1

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no

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2020-03-29 05:17:01 -0600 ComputerVisionary

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

444

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no

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2020-03-29 05:51:41 -0600 ComputerVisionary

Cannot detect cars

283

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2020-04-28 17:41:28 -0600 AndrakoValle

How to train more accurate Haar Cascades?

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no

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2020-06-24 23:05:05 -0600 neel19

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

505

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2020-06-26 11:46:50 -0600 berak

253 questions

Can we create our own haar-cascade file for multi-view face detection

Need help with training cascade classifier

Stage threshold in cascade training

CascadeClassifier doesn't work with cascade.xml trained by myself. It always blocked when use method detectMultiScale()

OpenCV face detection results in "debug assertion failed"

OpenCV 3 - Python's detectMultiScale3 fails in clipObjects

why value of levelWeights given by CascadeClassifier::detectMultiScale can be negative?

Train cascade classifier for game screenshots

Is there a way to use a trained CascadeClassifier for just classification in OpenCV 3.x?

Cannot detect cars

How to train more accurate Haar Cascades?

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

Train from haarcascade frontface

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