Questions - OpenCV Q&A Forum

836

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no

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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

285

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no

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

Not able to identify the images correctly

93

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no

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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

151

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no

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

Need an OpenCV expert to help with Auto Medicine Counting

318

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

Identifying and tracking drinks bottles in OpenCV without machine learning

481

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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

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

1k

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2020-01-31 06:33:00 -0600 charrys

Object detection Unity with Yolo model [closed]

898

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2020-02-20 00:16:46 -0600 berak

How to create Axis-aligned bounding boxes using Flatten()

283

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

How to train more accurate Haar Cascades?

443

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2020-05-19 09:08:47 -0600 irwin_com

training shape predictor

326

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no

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2020-05-26 10:32:39 -0600 albeh95

Object detection using ORB [closed]

objectdetection

188

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no

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no

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2020-07-04 04:45:41 -0600 albeh95

Isolate object to better detect it

objectdetection

373

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no

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no

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2020-07-29 02:58:11 -0600 pranavg_1111

Object Detection and Avoidance:Drone [closed]

2k

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2020-11-21 15:35:02 -0600 Ghetto82

RaspberryPI & OpenCV + Yolo: AttributeError: module 'cv2' has no attribute 'dnn'

1k

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1

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1

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2012-09-03 01:20:49 -0600 Daniil Osokin

RGB2Gray::operator() causing segmentation fault when using Python

974

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1

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2012-09-08 09:44:05 -0600 Rui Marques

Outsider seeking advice on cuboid detection & robot localization

641

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1

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no

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2012-09-21 14:14:27 -0600 yes123

Recognize an object from a flat background?

932

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1

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1

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2012-09-25 04:03:26 -0600 Bernhard

Object Recognition dataset with paintings ?

2k

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1

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1

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2012-10-10 09:54:42 -0600 Ben

Multiple object detection with 2D features and homography?

474

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1

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2013-06-14 04:48:03 -0600 vinayverma

Object Detection Positive Samples Background

2k

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1

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1

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2012-10-20 16:30:38 -0600 Philipp Wagner

OpenCV Face Recognition Lag

1k

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1

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2

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2012-12-03 19:24:41 -0600 ipunished

How to use bag of words to predict an image?

501

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1

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no

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2013-01-15 04:58:23 -0600 Alexander Smorkalov

generic_descriptor_match

3k

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1

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9

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2013-06-04 02:47:23 -0600 StevenPuttemans

What is the average training time needed for LBP object detector to reach a next stage?

800

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1

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no

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2013-04-19 07:59:33 -0600 berak

Trained Latent SVM detectors

3k

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1

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no

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2013-06-28 06:05:39 -0600 BeS

Detect Chessboard on Images/Scans from Books and Newspapers

9k

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1

answer

2

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2013-08-21 02:46:38 -0600 StevenPuttemans

Detecting Rectangle via Android Camera

401

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1

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no

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2014-08-29 03:10:38 -0600 Netsai Chibuku

188 questions

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]

Object detection Unity with Yolo model [closed]

How to create Axis-aligned bounding boxes using Flatten()

How to train more accurate Haar Cascades?

training shape predictor

Object detection using ORB [closed]

Isolate object to better detect it

Object Detection and Avoidance:Drone [closed]

RaspberryPI & OpenCV + Yolo: AttributeError: module 'cv2' has no attribute 'dnn'

RGB2Gray::operator() causing segmentation fault when using Python

Outsider seeking advice on cuboid detection & robot localization

Recognize an object from a flat background?

Object Recognition dataset with paintings ?

Multiple object detection with 2D features and homography?

Object Detection Positive Samples Background

OpenCV Face Recognition Lag

How to use bag of words to predict an image?

generic_descriptor_match

What is the average training time needed for LBP object detector to reach a next stage?

Trained Latent SVM detectors

Detect Chessboard on Images/Scans from Books and Newspapers

Detecting Rectangle via Android Camera

Need explanation for viola-jones boosting

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