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224 questions
Tagged
1k
views
no
answers
no
votes
2020-11-02 22:20:40 -0600
supra56
Why pytesseract.image_to_data fails to recognize text?
edgedetection
shapedetection
OCR
801
views
no
answers
-1
votes
2020-10-21 04:21:07 -0600
yujy9014
OpenCV Python program for Vehicle detection in a Video frame
mysqlopenv#python
473
views
1
answer
no
votes
2020-09-01 09:38:52 -0600
berak
Haar Cascade or ...? OpenCV detection
Haar
cascade
opencv
detection
502
views
no
answers
no
votes
2020-06-15 13:03:07 -0600
Atique
Im trying to use Tracker Boosting after an object is detected. getting -215 Assertation Failure for tracker.init(frame,(centerX, centerY, width, height)). Its working fine with KCF, CSRT, MedianFlow or MIL. But im getting error with Boosting [closed]
object-tracking
973
views
1
answer
no
votes
2020-05-28 10:30:14 -0600
kbarni
image segmentation
image-segmentation
374
views
no
answers
no
votes
2020-05-26 21:27:04 -0600
swkim
How to estimate cars speed with video from rear view camera
speed-estimation
car-detection
675
views
no
answers
no
votes
2020-05-17 15:01:01 -0600
YigalB
Use openCV for object+distance detection
opencv
arduino
distance
987
views
no
answers
no
votes
2020-04-15 07:18:39 -0600
supra56
using solvePnP and triangulatePoints to get the object 3D points at 10 meter for obstacle coordinate estimation
depth
stereo-vision
3D-Coordinates
solvePnP
triangulatePoints
2k
views
no
answers
no
votes
2020-04-06 13:06:20 -0600
stefanos.dimos
How to properly estimate the Z rotation using ArUco Markers
aruco
opencv
camera
pose_estimation
orientation
373
views
no
answers
no
votes
2020-03-31 09:55:23 -0600
crusaderxx
Detect specific parts of car - painted area
carDetection
1k
views
no
answers
no
votes
2020-03-23 21:15:18 -0600
jonathanlvaldez
OpenCV DNN with CUDA built from source (for arch bin < 5.3)
opencv
python
CUDA
dnn
500
views
no
answers
no
votes
2020-03-03 09:24:58 -0600
eLtronicsvilla
optical flow orientation and magnitude based background and foreground segmentation
opticalflow
computervision
image-processing
c++
opencv
4k
views
1
answer
no
votes
2020-03-29 05:21:45 -0600
ComputerVisionary
How to tracking multiple vehicle (e.g car and motorcycle) using haar cascade classifier?
cv#opencv#python
1k
views
2
answers
-1
votes
2020-02-01 21:10:44 -0600
supra56
How to get the number of centroids in a rectangle?[SOLVED]
opencv
python
1k
views
2
answers
no
votes
2020-03-29 05:24:53 -0600
ComputerVisionary
Passengers counting in car using opencv
objectdetection
Facedetection
persondetection
476
views
no
answers
no
votes
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
780
views
no
answers
no
votes
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'
objectdetection
edges
818
views
no
answers
no
votes
2019-11-19 11:13:41 -0600
zakaziko
Extract object and save it as an image.png using c++
c++
opencv
3k
views
1
answer
no
votes
2019-10-26 22:54:41 -0600
Yashas
Does opencv_dnn use gpu?
gpu
CUDA
cv2.dnn
Jetson
1k
views
no
answers
no
votes
2019-10-08 03:43:52 -0600
khaalidi
Detect if a set pixels crossing the boundary of the bounding box
opencv
python
carDetectionc
cartracking
584
views
1
answer
no
votes
2020-03-29 05:51:41 -0600
ComputerVisionary
Cannot detect cars
cascadeclassifier
createsamples
opencv_annotation
3k
views
1
answer
no
votes
2019-09-12 15:45:43 -0600
Witek
finding distance between car on real-time
opencv
distance
398
views
no
answers
no
votes
2019-08-20 07:37:10 -0600
LBerger
Not able to identify the images correctly
carDetection
objectdetection
1k
views
1
answer
no
votes
2019-06-11 18:16:54 -0600
Witek
How to recognize outdoor objects from different angles
outdoor
object
position
robot
python
RaspberryPi
174
views
no
answers
no
votes
2019-05-15 06:30:20 -0600
Shay Weissman
TinyYolo Tiny gives long process time once in a while
dnn
Yolov3
194
views
no
answers
-1
votes
2019-04-30 05:58:56 -0600
ryback
Car detection from still pictures
car
detection
114
views
no
answers
no
votes
2019-04-19 20:29:50 -0600
cross368
parking with opencv and python [closed]
python
359
views
1
answer
no
votes
2019-04-04 03:33:52 -0600
dkurt
DNN with tiny yolo 3 [closed]
dnn
opencv341
1k
views
no
answers
1
vote
2019-03-28 09:06:57 -0600
emlot77
How to detect an object in an image using HOG Descriptors?
HOG
objectdetection
objectrecognition
c++
opencv
804
views
1
answer
no
votes
2019-03-14 04:57:36 -0600
Ahmed
Calculating a trajectory using a homography projection
python
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