Questions - OpenCV Q&A Forum

213

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2014-12-05 10:09:11 -0600 Duraid

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How to detect daces using variable size images

160

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2015-01-03 05:50:42 -0600 tiresias

quality of trained material

127k

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2015-01-05 05:21:18 -0600 FooBar

OpenCV Error: Assertion failed (!empty()) in detectMultiScale

480

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2015-01-15 11:35:35 -0600 Tariq

size of integral window with varying scale factor in cascade classifier

2k

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2015-02-01 18:42:41 -0600 Bzisch

Cascade Classifier pedestrian detection

894

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2015-03-08 12:47:41 -0600 crd319

Always get single return in middle of image with custom SVM using hog.detectMultiScale

227

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2015-03-17 09:21:04 -0600 cytokinesis

Had a couple of questions about the LBP Cascade Classifier, with respect to size and aspect ratio

943

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2015-04-12 04:50:13 -0600 pulp_fiction

OpenCV Face Detection example code : 0xC0000005: Access violation reading location 0xFFFFFFFF3F46895C [closed]

527

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2015-04-23 07:04:05 -0600 Tonystark124

LBP based getMultiScale object detection. [closed]

569

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2015-05-29 08:29:21 -0600 Nbb

.detectMultiScale (How to look for the function?)

detectMultiScale

960

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2015-06-07 13:04:44 -0600 Precious Roy

detectMultiScale detects insane amount of faces [closed]

detectMultiScale

211

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2015-06-08 03:31:19 -0600 StevenPuttemans

Operations under detectMultiScales, need help

detectMultiScale

185

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2015-06-28 06:17:47 -0600 warmspringwinds

OpenCV detectMultiScale() neighbours algorithm

179

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2015-06-28 12:54:21 -0600 warmspringwinds

OpenCv detectMultiScale implementation.

1k

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2015-07-02 11:09:26 -0600 jagreene

Opencv 3 - python detectmultiscale; too many values to upack

3k

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2015-07-06 14:47:50 -0600 sturkmen

Assertion failed (axes.width >= 0 && axes.height...)line 1772

988

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

opencv_traincascade detection phase: obtain confidence of each detection window

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2015-07-19 04:32:19 -0600 3pino

python multiprocessing performance in opencv image processing

detectMultiScale

518

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2015-08-26 16:08:49 -0600 franken

A way to count how many people have been detected in faceDetect.cpp

539

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2015-09-15 12:10:37 -0600 phil_333

detectMultiScale multi-threading c++

892

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2

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2015-09-25 04:30:14 -0600 nastaran

how to set XML cascade for detecting eyes and face on perspective view of faces

286

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2015-11-07 13:16:42 -0600 jkutchk

Would like to use different scales with HOG people detection

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

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

917

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

[Solved] CascadeClassifier.detectMultiScale crash on Mac OSX

1k

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

HOGDescriptor::detectMultiScale returns same weight for different scales

787

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

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

719

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

detectMultiScale speed

277

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

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

190

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

Is OpenCV supposed to train on positives or samples images?

1k

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

112 questions

How to detect daces using variable size images

quality of trained material

OpenCV Error: Assertion failed (!empty()) in detectMultiScale

size of integral window with varying scale factor in cascade classifier

Cascade Classifier pedestrian detection

Always get single return in middle of image with custom SVM using hog.detectMultiScale

Had a couple of questions about the LBP Cascade Classifier, with respect to size and aspect ratio

OpenCV Face Detection example code : 0xC0000005: Access violation reading location 0xFFFFFFFF3F46895C [closed]

LBP based getMultiScale object detection. [closed]

.detectMultiScale (How to look for the function?)

detectMultiScale detects insane amount of faces [closed]

Operations under detectMultiScales, need help

OpenCV detectMultiScale() neighbours algorithm

OpenCv detectMultiScale implementation.

Opencv 3 - python detectmultiscale; too many values to upack

Assertion failed (axes.width >= 0 && axes.height...)line 1772

opencv_traincascade detection phase: obtain confidence of each detection window

python multiprocessing performance in opencv image processing

A way to count how many people have been detected in faceDetect.cpp

detectMultiScale multi-threading c++

how to set XML cascade for detecting eyes and face on perspective view of faces

Would like to use different scales with HOG people detection

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

[Solved] CascadeClassifier.detectMultiScale crash on Mac OSX

HOGDescriptor::detectMultiScale returns same weight for different scales

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

detectMultiScale speed

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

Is OpenCV supposed to train on positives or samples images?

detectMultiscale fails when weights are requested

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