Questions - OpenCV Q&A Forum

292

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2017-12-26 06:05:15 -0600 Santhosh1

Object detection (other than faces) in OpenCV?

objectdetection

222

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2018-01-25 02:37:02 -0600 teenvan95

HOG-Descriptor malloc freed error

464

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2018-02-06 03:47:32 -0600 Mark

detect control from Winform image with OpenCV

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2018-02-14 16:52:34 -0600 baseball97

Tracking and determining velocity of a baseball.

103

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2018-03-07 09:21:15 -0600 Jad

The number of rejected windows in detectMultiScale()

510

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2018-03-08 19:27:51 -0600 Ernesto

How to recognize these labels?

117

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2018-03-12 08:41:59 -0600 kishan patel

How can do object detection like as human,vehicles,etc.

objectdetection

225

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2018-03-14 04:13:31 -0600 questerer

Finding relatively large objects in a cluttered background - Help needed

634

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1

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2018-03-30 06:21:56 -0600 Vahe

OpenCV object detection run error

507

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2018-04-05 04:43:07 -0600 Ishoo

Is there a way to overlay the edges obtained from the Canny Edge Detection onto the original image in python?

349

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2018-04-28 10:17:42 -0600 holger

newbie questions on real time detection

320

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2018-06-27 11:58:01 -0600 kilchem182

"Const kernel input not found" error when trying to load faster_rcnn models into OpenCV

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2018-07-02 19:02:20 -0600 noxee

3D object scanning, detection and recognition

161

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1

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2018-08-16 07:03:37 -0600 eLtronicsvilla

opencv deep network on android device

228

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2018-09-05 08:21:49 -0600 mvdb3

Error using .detectMultiScale using the haarcascade (face detection)

222

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2018-10-17 15:01:42 -0600 pablovela5620

Unable to generate Tensorflow Object Detection API graph text representation

349

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2018-11-13 01:22:04 -0600 akpa

Detect tick marks in different forms

861

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2019-02-12 18:45:34 -0600 lunasdejavu

the outputs of net.forward() are different by opencv4.0.0 win-pack and build-from-source

294

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2019-02-11 21:29:19 -0600 chandini

Multiple object class detection by extracting image features (like SIFT or HOG)

286

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-1

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2019-03-05 14:28:55 -0600 RayT

Best direction for building a custom object detector for a badminton Shuttlecock

211

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2019-03-12 03:52:48 -0600 SanjayKamath

Best Object Detection Criteria

447

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2019-03-27 23:06:06 -0600 mk_kannan

How to create xml file for fish detection

827

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1

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2019-03-28 09:06:57 -0600 emlot77

How to detect an object in an image using HOG Descriptors?

122

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-1

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2019-07-07 13:07:40 -0600 nazeeh

Detecting TextBoxes in screenshots of apps

objectdetection

283

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2019-08-20 07:37:10 -0600 LBerger

Not able to identify the images correctly

93

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2019-10-01 05:30:04 -0600 bheadmaster

Methods for deciding if there is an object on the surface or not

objectdetection

149

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2019-11-07 00:10:32 -0600 Niteshgarg

Need an OpenCV expert to help with Auto Medicine Counting

314

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2019-11-12 11:51:53 -0600 postlude

Identifying and tracking drinks bottles in OpenCV without machine learning

480

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2019-11-26 13:59:12 -0600 Rishan123

cv2.error: OpenCV(4.1.0) /home/pi/opencv/opencv-4.1.0/modules/features2d/src/bagofwords.cpp:55: error: (-215:Assertion failed) !_descriptors.empty() in function 'add'

247

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2020-01-31 04:00:05 -0600 johnson.david

188 questions

Object detection (other than faces) in OpenCV?

HOG-Descriptor malloc freed error

detect control from Winform image with OpenCV

Tracking and determining velocity of a baseball.

The number of rejected windows in detectMultiScale()

How to recognize these labels?

How can do object detection like as human,vehicles,etc.

Finding relatively large objects in a cluttered background - Help needed

OpenCV object detection run error

Is there a way to overlay the edges obtained from the Canny Edge Detection onto the original image in python?

newbie questions on real time detection

"Const kernel input not found" error when trying to load faster_rcnn models into OpenCV

3D object scanning, detection and recognition

opencv deep network on android device

Error using .detectMultiScale using the haarcascade (face detection)

Unable to generate Tensorflow Object Detection API graph text representation

Detect tick marks in different forms

the outputs of net.forward() are different by opencv4.0.0 win-pack and build-from-source

Multiple object class detection by extracting image features (like SIFT or HOG)

Best direction for building a custom object detector for a badminton Shuttlecock

Best Object Detection Criteria

How to create xml file for fish detection

How to detect an object in an image using HOG Descriptors?

Detecting TextBoxes in screenshots of apps

Not able to identify the images correctly

Methods for deciding if there is an object on the surface or not

Need an OpenCV expert to help with Auto Medicine Counting

Identifying and tracking drinks bottles in OpenCV without machine learning

cv2.error: OpenCV(4.1.0) /home/pi/opencv/opencv-4.1.0/modules/features2d/src/bagofwords.cpp:55: error: (-215:Assertion failed) !_descriptors.empty() in function 'add'

How can i train model using my own dataset ? [closed]

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