Questions - OpenCV Q&A Forum

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2018-05-16 04:44:10 -0600 Aleaksah

Loading raw array of 16-bit integers as grayscale image

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1

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2014-07-07 12:49:10 -0600 Witek

Human skeleton tracking

deleted

770

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2

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2014-03-19 14:23:37 -0600 Isa

How to find the best match between two curves, part-to-whole

311

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2016-03-02 03:41:46 -0600 b4r0ck

K-Nearest Neighbors implementation on OpenCV 3.0

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2013-12-30 12:48:46 -0600 danksch

LNK2001 fatal error: unresolved external symbols - any ideas ?

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2013-10-28 10:20:14 -0600 krammer

How to use PCA SIFT in opencv ?

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2014-03-05 06:35:32 -0600 York

code below running in VC2010 ，no error but failed，help！

count-pixels

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2014-10-01 09:40:37 -0600 repopelino

(-13) Matrix error in Eigenfaces model (Face Recognizer)

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2015-02-27 09:46:22 -0600 revollem

cv::namedWindow changes fscanf parameters, how to prevent this ?

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2017-08-09 02:15:44 -0600 huge

how to determine the positions of object boxes after using background difference and LK optical flow

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2014-08-02 22:48:35 -0600 Kislay

Memory Leak in CvTrainTestSplit

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2015-05-15 17:07:56 -0600 Tarek444

OpenCV for Swift

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2018-02-23 05:59:40 -0600 Ayush Goel

The output of the resize code for inter linear interpolation differs in the 2 version of opencv i.e 3.1 and 3.3

resize

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2018-09-17 13:15:11 -0600 Honk5000

Problem with Intel Realsense SDK 2.0 and cv::cvtColor

166

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2016-03-08 14:47:46 -0600 akog

Pass distorted or undistorted points to (E)PnP?

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2018-01-29 09:01:45 -0600 berak

OpenCv3.3 build is failing

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2020-03-06 03:05:23 -0600 NL37

Slices of float image

Slice_CV_16FC1

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2017-02-28 02:23:22 -0600 Crazor

Recognizing and locating object from a bunch of Hough lines

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2016-02-10 07:02:51 -0600 hahne

Change width of trackbar

trackbar

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2015-12-06 23:23:20 -0600 gsreddy2507

Extracting image features using PySpark-OpenCV on RDD data (i.e. SequeceFile is in Hadoop)

opencv

86

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no

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2015-01-18 07:03:44 -0600 s3h4x

As I can detect gestures with opencv

face
emotion

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2020-06-10 14:52:39 -0600 WesH

Laplacian output in C++ excludes negative values, but not in Python

opencv#c++#python

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2020-04-03 21:09:05 -0600 supra56

Bad triangulation in stereo camera setup on FOV borders

375

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1

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2017-12-18 09:13:37 -0600 fabito

Error running inference on Single Shot Scale-invariant Face Detector pre trained model

1k

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-1

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2017-01-08 00:50:50 -0600 NavinM

Voice recognition with spectrogram

image_processing

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2017-06-20 04:16:16 -0600 Nani

Histogram in Opencv

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1

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2014-03-07 01:48:52 -0600 berak

Mat data type is not compatible: 0

opencv
java

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2016-08-08 03:06:16 -0600 orest

Parameters in the cv2.calcOpticalFlowFarneback() function

python

209

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answers

1

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2013-09-09 20:58:35 -0600 stereomatching

Matrix formula of cornerEigenValsAndVecs different from the one harrisCorner proposed

opencv

3k

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no

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no

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2019-03-04 01:53:06 -0600 Farid

12,357 questions

Loading raw array of 16-bit integers as grayscale image

Human skeleton tracking

How to find the best match between two curves, part-to-whole

K-Nearest Neighbors implementation on OpenCV 3.0

LNK2001 fatal error: unresolved external symbols - any ideas ?

How to use PCA SIFT in opencv ?

code below running in VC2010 ，no error but failed，help！

(-13) Matrix error in Eigenfaces model (Face Recognizer)

cv::namedWindow changes fscanf parameters, how to prevent this ?

how to determine the positions of object boxes after using background difference and LK optical flow

Memory Leak in CvTrainTestSplit

OpenCV for Swift

The output of the resize code for inter linear interpolation differs in the 2 version of opencv i.e 3.1 and 3.3

Problem with Intel Realsense SDK 2.0 and cv::cvtColor

Pass distorted or undistorted points to (E)PnP?

OpenCv3.3 build is failing

Slices of float image

Recognizing and locating object from a bunch of Hough lines

Change width of trackbar

Extracting image features using PySpark-OpenCV on RDD data (i.e. SequeceFile is in Hadoop)

As I can detect gestures with opencv

Laplacian output in C++ excludes negative values, but not in Python

Bad triangulation in stereo camera setup on FOV borders

Error running inference on Single Shot Scale-invariant Face Detector pre trained model

Voice recognition with spectrogram

Histogram in Opencv

Mat data type is not compatible: 0

Parameters in the cv2.calcOpticalFlowFarneback() function

Matrix formula of cornerEigenValsAndVecs different from the one harrisCorner proposed

OpenCV Error: Assertion failed

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