Questions - OpenCV Q&A Forum

3k

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2020-03-13 16:54:52 -0600 mvuori

Unhandled exception at 0x00007FFB8B3F9159 in test1.exe: Microsoft C++ exception: cv::Exception at memory location 0x000000A35178F4E0.

251

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2020-03-13 21:35:54 -0600 supra56

is there a way to read an image directly from a directory (not passing arguments)?

imread

157

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no

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2020-03-14 01:57:40 -0600 Dornier

opencv_anntation.exe does not open image? [closed]

377

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no

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2020-03-14 04:52:21 -0600 JeyP4

How to bound zebra crossing stripes?

574

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-2

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2020-03-14 14:37:14 -0600 supra56

opencv code doesn't run on raspberry pi

RaspberryPi

784

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2020-03-14 22:08:44 -0600 supra56

cv::namedWindow with QT button AND CV_WINDOW_OPENGL ?

595

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2020-03-16 03:39:07 -0600 Luckygg

How to reduce the noise at Point Cloud data?

184

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2020-03-16 07:21:12 -0600 supra56

C++ How can I down bit level with using 'resize'?? or is there Dithering function exist?

binary

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2020-03-16 09:09:48 -0600 LBerger

TypeError: Image data of dtype object cannot be converted to float

576

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2020-03-16 09:21:44 -0600 supra56

unstable frame count

cv2.videocapture

1k

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2020-03-16 10:20:39 -0600 berak

Truncate and Normalize image

Image_Normalization

814

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no

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2020-03-16 11:15:17 -0600 andriydinamic

Why VideoCapture.set() method is much slower when ran simultaneously with Tensorflow on single GPU?

793

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2020-03-16 11:47:12 -0600 supra56

I am getting an Index out of range Error. I am retreiving the names from sqlite3 into a list. I think the retrieval is not proper. Please help [closed]

python

100

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2020-03-16 16:59:12 -0600 TigerHwang

OCL device memory leak

memoryleak

2k

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2020-03-17 03:29:00 -0600 berak

Need to mask the region of interest from RGB image

roi

10k

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2020-03-17 04:07:55 -0600 supra56

[SOLVED]Assertion Error in Video Capturing ? [closed]

python

95

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no

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2020-03-17 09:05:40 -0600 SylvainArd

measure the " indentation " of a leaf

measure

685

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1

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no

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2020-03-17 11:04:20 -0600 phillity

Differentiate between a face and a photo of a face using static images.

676

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1

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no

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2020-03-17 11:37:42 -0600 berak

QRCodeDetector() not found in opencv.js

1k

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1

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no

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2020-03-17 13:53:02 -0600 exbigboss

fit a circle to a cloud of points

1k

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1

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no

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2020-03-17 15:01:25 -0600 DrThrax

Java: Core.Pow: (-215:Assertion failed) depth == CV_32F || depth == CV_64F

8k

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2020-03-17 15:23:00 -0600 exbigboss

Industrial GigE camera with OpenCV

208

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2020-03-17 22:40:39 -0600 ashishkrshrivastava

Changes in PR not getting build on custom builders [closed]

292

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1

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2020-03-18 06:25:44 -0600 stefano

How to marshal OpenCV objects

175

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no

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2020-03-18 09:17:22 -0600 swkim

pyramid_reduce, about sigma (down sampling) [closed]

816

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1

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2

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2020-03-18 09:35:03 -0600 supra56

cv.detail.BestOf2NearestRangeMatcher_create() missing

114

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1

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no

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2020-03-18 12:09:05 -0600 berak

[GSOC 2020] Contact with mentor Grace Vesom for QR code project idea [closed]

GSOC2020

251

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no

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2020-03-19 02:31:54 -0600 OomKoos

Match image on android screen? [closed]

1k

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1

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no

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2020-03-19 02:48:13 -0600 mvuori

Validate if object is completely in the image frame

1k

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no

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1

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2020-03-19 05:42:42 -0600 TiTi243

different result of filter2D between c++ and python

filter2D

29,830 questions

Unhandled exception at 0x00007FFB8B3F9159 in test1.exe: Microsoft C++ exception: cv::Exception at memory location 0x000000A35178F4E0.

is there a way to read an image directly from a directory (not passing arguments)?

opencv_anntation.exe does not open image? [closed]

How to bound zebra crossing stripes?

opencv code doesn't run on raspberry pi

cv::namedWindow with QT button AND CV_WINDOW_OPENGL ?

How to reduce the noise at Point Cloud data?

C++ How can I down bit level with using 'resize'?? or is there Dithering function exist?

TypeError: Image data of dtype object cannot be converted to float

unstable frame count

Truncate and Normalize image

Why VideoCapture.set() method is much slower when ran simultaneously with Tensorflow on single GPU?

I am getting an Index out of range Error. I am retreiving the names from sqlite3 into a list. I think the retrieval is not proper. Please help [closed]

OCL device memory leak

Need to mask the region of interest from RGB image

[SOLVED]Assertion Error in Video Capturing ? [closed]

measure the " indentation " of a leaf

Differentiate between a face and a photo of a face using static images.

QRCodeDetector() not found in opencv.js

fit a circle to a cloud of points

Java: Core.Pow: (-215:Assertion failed) depth == CV_32F || depth == CV_64F

Industrial GigE camera with OpenCV

Changes in PR not getting build on custom builders [closed]

How to marshal OpenCV objects

pyramid_reduce, about sigma (down sampling) [closed]

cv.detail.BestOf2NearestRangeMatcher_create() missing

[GSOC 2020] Contact with mentor Grace Vesom for QR code project idea [closed]

Match image on android screen? [closed]

Validate if object is completely in the image frame

different result of filter2D between c++ and python

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