Questions - OpenCV Q&A Forum

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2017-05-25 03:29:36 -0600 Umar Farooq

Why does my custom HOG detector always draws a rectangle on the center of image even when I have obtained good accuracies on Test data?

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2017-05-16 22:10:27 -0600 williamluisan

Webcam FPS when CascadeClassifier::detectMultiScale and FaceRecognizer executed

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2017-03-29 11:13:09 -0600 zelade

detectmultiscale multiprocessing [closed]

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2017-03-09 03:29:44 -0600 marcogovo

Errors in detectMultiScale() for face detection

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2017-03-07 01:11:10 -0600 berak

Load Single Channel Numpy Array Image with detectMultiScale

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2017-02-18 09:59:13 -0600 glukoz

Is HOG detection on infrared security recording of poor quality possible? [closed]

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2017-01-22 06:55:56 -0600 Yasen

How to train HoG manually in Python? [closed]

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2016-12-15 07:13:33 -0600 pi-null-mezon

open CV detect multiscal issue

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2016-12-04 21:06:01 -0600 mcwu0628

are there memory leaks in Java detectMultiScale()?

detectMultiScale

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2016-12-02 07:01:30 -0600 StevenPuttemans

RejectLevels and LevelWeights of detectMultiscale

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2016-11-29 19:49:21 -0600 mcwu0628

OOM occurs when calling detectMutiScale on android

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2016-11-24 06:25:41 -0600 Tobyy

Cascade classifier doesn't detect object

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2016-10-08 03:30:36 -0600 btraquair

detectMultiScale hangs on Mac / Xcode / OpenCV 3.1.0

detectMultiScale

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2016-10-07 13:00:11 -0600 Neldar

Haar Training detectMultiScale does not work very well when size vary

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2016-09-07 10:37:12 -0600 LucaVeggian

detectMultiScale on Gpu problem with minNeighbors parameter

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2016-08-20 12:02:20 -0600 mattm401

PR Curve for Cascade w/ detectMultiScale3: Never Completes

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2016-08-05 04:42:04 -0600 Param92

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

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2016-06-16 09:26:47 -0600 BookBookBook

Problem with detectMultiScale and drawing returned rectangles [closed]

detectMultiScale

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2016-06-15 17:08:46 -0600 mcgrawjt

getDaimlerPeopleDetector vs. getPeopleDetector48x96 vs. custom SVM

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2016-06-05 10:54:35 -0600 nonlin

detectMultiScale with outputRejectLevels true doesn't return anything?

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2016-05-28 05:41:32 -0600 LorenaGdL

HOG detectmultiscale weight scale explanation

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2016-02-11 06:30:26 -0600 StevenPuttemans

CascadeClassifier::detectMultiScale alogical influence of minSize parameter

detectMultiScale

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2016-02-04 06:25:22 -0600 StevenPuttemans

detectMultiscale fails when weights are requested

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2016-02-04 03:35:33 -0600 Lory

Is OpenCV supposed to train on positives or samples images?

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2016-02-03 10:33:51 -0600 Lory

Why does OpenCV recognize the object only in training images? [closed]

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2016-02-01 05:36:29 -0600 crynsane

detectMultiScale speed

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2016-01-18 11:21:34 -0600 digtooni

Unpredictable behaviour from cv::HOGDescriptor::detectMultiScale, depending on input.

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2015-12-29 04:19:01 -0600 Kwak

HOGDescriptor::detectMultiScale returns same weight for different scales

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2015-12-13 04:46:45 -0600 Denis Gottardello

[Solved] CascadeClassifier.detectMultiScale crash on Mac OSX

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2015-12-07 02:22:16 -0600 opencvlover

112 questions

Why does my custom HOG detector always draws a rectangle on the center of image even when I have obtained good accuracies on Test data?

Webcam FPS when CascadeClassifier::detectMultiScale and FaceRecognizer executed

detectmultiscale multiprocessing [closed]

Errors in detectMultiScale() for face detection

Load Single Channel Numpy Array Image with detectMultiScale

Is HOG detection on infrared security recording of poor quality possible? [closed]

How to train HoG manually in Python? [closed]

open CV detect multiscal issue

are there memory leaks in Java detectMultiScale()?

RejectLevels and LevelWeights of detectMultiscale

OOM occurs when calling detectMutiScale on android

Cascade classifier doesn't detect object

detectMultiScale hangs on Mac / Xcode / OpenCV 3.1.0

Haar Training detectMultiScale does not work very well when size vary

detectMultiScale on Gpu problem with minNeighbors parameter

PR Curve for Cascade w/ detectMultiScale3: Never Completes

OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines

Problem with detectMultiScale and drawing returned rectangles [closed]

getDaimlerPeopleDetector vs. getPeopleDetector48x96 vs. custom SVM

detectMultiScale with outputRejectLevels true doesn't return anything?

HOG detectmultiscale weight scale explanation

CascadeClassifier::detectMultiScale alogical influence of minSize parameter

detectMultiscale fails when weights are requested

Is OpenCV supposed to train on positives or samples images?

Why does OpenCV recognize the object only in training images? [closed]

detectMultiScale speed

Unpredictable behaviour from cv::HOGDescriptor::detectMultiScale, depending on input.

HOGDescriptor::detectMultiScale returns same weight for different scales

[Solved] CascadeClassifier.detectMultiScale crash on Mac OSX

How to use detectMultiScale detector for ROI in Face detection. Please help me in this code.

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