Questions - OpenCV Q&A Forum

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4

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2018-07-19 07:53:06 -0600 lrocher

What classifier and algorithm would you use to detect the cars in this image?

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no

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2018-07-24 08:10:12 -0600 federicoponzi

How to find round filled circles?

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no

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2018-08-10 04:06:40 -0600 Dakhoo

Tracking multiobjects recognized by Haar

20k

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13

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34

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2018-08-11 03:41:42 -0600 sturkmen

Informative websites related to OpenCV

1k

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1

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no

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2018-08-30 06:44:44 -0600 StevenPuttemans

Detecting car's windshield and rear window

2k

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1

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-1

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2018-09-18 04:31:53 -0600 monxarat

Calculate the distance between two objects (example cars) in a video

cvHaarCascadeClass

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2018-10-09 16:23:46 -0600 Simran

How to detect and count cars in different lanes using HAAR cascade

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2

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2018-11-08 07:02:58 -0600 punnerud

OpenCV Pedestrian Counting

153

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2018-11-13 06:19:58 -0600 LBerger

FLIR dev kit camera screen has stopped

MobileNetSSD

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2018-11-21 10:18:39 -0600 WoFFeN88

Vehicle counting - python -

429

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1

answer

1

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2018-11-30 21:52:29 -0600 sturkmen

Completely random result of HOGDescriptor

HOG
SVM

220

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1

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no

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2019-01-16 04:55:03 -0600 StevenPuttemans

What algorithms are best used for recognizing objects in the street from a video stream

320

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

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

679

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1

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no

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2019-03-14 04:57:36 -0600 Ahmed

Calculating a trajectory using a homography projection

python

957

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

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

320

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1

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no

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2019-04-04 03:33:52 -0600 dkurt

DNN with tiny yolo 3 [closed]

104

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no

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2019-04-19 20:29:50 -0600 cross368

parking with opencv and python [closed]

python

182

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no

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-1

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2019-04-30 05:58:56 -0600 ryback

Car detection from still pictures

158

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no

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no

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2019-05-15 06:30:20 -0600 Shay Weissman

TinyYolo Tiny gives long process time once in a while

dnn
Yolov3

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1

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no

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2019-06-11 18:16:54 -0600 Witek

How to recognize outdoor objects from different angles

342

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

Not able to identify the images correctly

3k

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1

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2019-09-12 15:45:43 -0600 Witek

finding distance between car on real-time

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no

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no

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2019-10-08 03:43:52 -0600 khaalidi

Detect if a set pixels crossing the boundary of the bounding box

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1

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2019-10-26 22:54:41 -0600 Yashas

Does opencv_dnn use gpu?

712

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no

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2019-11-19 11:13:41 -0600 zakaziko

Extract object and save it as an image.png using c++

c++
opencv

675

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no

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no

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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'

359

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2019-12-03 04:47:46 -0600 supra56

Results of opencv dnn looks weird when using the tensorflow model(faster rcnn) to detect the object

c++dnnopencv

1k

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2

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-1

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2020-02-01 21:10:44 -0600 supra56

How to get the number of centroids in a rectangle?[SOLVED]

397

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no

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2020-03-03 09:24:58 -0600 eLtronicsvilla

optical flow orientation and magnitude based background and foreground segmentation

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no

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2020-03-23 21:15:18 -0600 jonathanlvaldez

224 questions

What classifier and algorithm would you use to detect the cars in this image?

How to find round filled circles?

Tracking multiobjects recognized by Haar

Informative websites related to OpenCV

Detecting car's windshield and rear window

Calculate the distance between two objects (example cars) in a video

How to detect and count cars in different lanes using HAAR cascade

OpenCV Pedestrian Counting

FLIR dev kit camera screen has stopped

Vehicle counting - python -

Completely random result of HOGDescriptor

What algorithms are best used for recognizing objects in the street from a video stream

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

Calculating a trajectory using a homography projection

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

DNN with tiny yolo 3 [closed]

parking with opencv and python [closed]

Car detection from still pictures

TinyYolo Tiny gives long process time once in a while

How to recognize outdoor objects from different angles

Not able to identify the images correctly

finding distance between car on real-time

Detect if a set pixels crossing the boundary of the bounding box

Does opencv_dnn use gpu?

Extract object and save it as an image.png using c++

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'

Results of opencv dnn looks weird when using the tensorflow model(faster rcnn) to detect the object

How to get the number of centroids in a rectangle?[SOLVED]

optical flow orientation and magnitude based background and foreground segmentation

OpenCV DNN with CUDA built from source (for arch bin < 5.3)

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