Questions - OpenCV Q&A Forum

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2016-06-23 15:09:30 -0600 Tech

Java | Get OpenCV working on other PC

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1

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2016-06-23 12:27:53 -0600 Ste

!empty() in function detectMultiScale with Java sample app

samples

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2016-06-23 12:27:31 -0600 suberri

On high resultion jpg files imread then imwrite change the image orientation [closed]

11k

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2

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3

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2016-06-23 10:27:48 -0600 VanGog

How to draw gradient?

1k

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2

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1

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2016-06-23 07:17:38 -0600 enco

How to use train_HOG.cpp

5k

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1

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2016-06-23 05:34:44 -0600 Dinh Thap

normalize zero mean and unit variance opencv?

2k

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2016-06-23 05:29:56 -0600 Nitin Moradiya

Display multiple images as slideshow

opencv
c++

89

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2016-06-23 04:18:25 -0600 RohanS

I am doing camera calibration and the camera matrix i get has a huge value of camera constant(10^4).Is this normal??.

calibrateCamera

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1

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2016-06-23 02:21:34 -0600 cytathon

The HOG feature extraction visualization [closed]

1k

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1

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no

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2016-06-23 01:50:08 -0600 berak

Windows install--cv2.pyd in right folder, but can't find dlls

464

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2016-06-23 00:26:23 -0600 atv

picture in picture roi crash assertion failed [closed]

opencv

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no

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2016-06-22 21:26:37 -0600 Lafi

track a ball moving in hight speed [closed]

1k

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1

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1

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2016-06-22 21:14:35 -0600 Tetragramm

Recommended NVIDIA CUDA GPUs for OpenCV

CUDA

979

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1

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no

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2016-06-22 14:29:19 -0600 rtlumb

Trouble accessing the intensity value of a CV_U8 gray image in C++

246

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1

answer

1

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2016-06-22 13:31:14 -0600 can

cascade training negative dataset

963

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2016-06-22 13:25:31 -0600 logidelic

Using background-subtraction to track moving objects [closed]

BackgroundSubtractor

228

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1

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no

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2016-06-22 11:02:19 -0600 danaro

training stage-1 error

241

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2016-06-22 06:44:36 -0600 Manikanta

How to "Add new Project Property sheet" in VS2012

1k

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2016-06-22 06:40:04 -0600 patri

ROI/ Bounding Box selection of Mat images in OpenCV [closed]

283

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1

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no

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2016-06-22 05:10:12 -0600 Micka

CascadeClassifier Training - pressing "Return" Key continues computation.

551

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1

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no

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2016-06-22 04:49:06 -0600 Missing

Obtaining rect dimension when clicked anywhere in the box ?

112

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2016-06-22 03:34:57 -0600 lovaj

How to convert David Lowe keypoints into OpenCV keypoints?

SIFT

1k

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no

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2016-06-22 01:51:58 -0600 balu

Java and haarcascade face and mouth detection - mouth as the nose

484

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1

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no

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2016-06-22 01:21:21 -0600 berak

building opencv and opencv_contrib

opencv

2k

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no

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no

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2016-06-21 21:52:40 -0600 quantumpotato

Drawing contours detected in image quickly turns into an all-black screen [closed]

4k

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1

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2016-06-21 15:00:02 -0600 oweiss

Freeing Memory with Python

641

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1

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2016-06-21 14:23:09 -0600 [email protected]

Android ArUco Axis swapping

458

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1

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2016-06-21 13:13:15 -0600 Bruce

Can not change width height (-w -h parameter) in opencv_trainingcascade.exe???

opencv

702

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no

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no

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2016-06-21 11:59:09 -0600 andreahmed

detecting a pallet in forklift

cvFindContours

2k

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3

answers

2

votes

2016-06-21 10:26:03 -0600 theodore

29,830 questions

Java | Get OpenCV working on other PC

!empty() in function detectMultiScale with Java sample app

On high resultion jpg files imread then imwrite change the image orientation [closed]

How to draw gradient?

How to use train_HOG.cpp

normalize zero mean and unit variance opencv?

Display multiple images as slideshow

I am doing camera calibration and the camera matrix i get has a huge value of camera constant(10^4).Is this normal??.

The HOG feature extraction visualization [closed]

Windows install--cv2.pyd in right folder, but can't find dlls

picture in picture roi crash assertion failed [closed]

track a ball moving in hight speed [closed]

Recommended NVIDIA CUDA GPUs for OpenCV

Trouble accessing the intensity value of a CV_U8 gray image in C++

cascade training negative dataset

Using background-subtraction to track moving objects [closed]

training stage-1 error

How to "Add new Project Property sheet" in VS2012

ROI/ Bounding Box selection of Mat images in OpenCV [closed]

CascadeClassifier Training - pressing "Return" Key continues computation.

Obtaining rect dimension when clicked anywhere in the box ?

How to convert David Lowe keypoints into OpenCV keypoints?

Java and haarcascade face and mouth detection - mouth as the nose

building opencv and opencv_contrib

Drawing contours detected in image quickly turns into an all-black screen [closed]

Freeing Memory with Python

Android ArUco Axis swapping

Can not change width height (-w -h parameter) in opencv_trainingcascade.exe???

detecting a pallet in forklift

How to evaluate light linearity and additivity with a camera

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