Preparing LBP Texture Feature for SVM
I have extracted LBP Texture features on an image by splitting the image into small cells and then calculating LBP for each sub-image and then latter concatenating spatial histograms of each sub-image...
View ArticleHow to read 10 bit tiff satellite image in opencv?
Maximum pixel value of the tiff image is 481. But it is showing maximum is 1.So how to read properly. #include #include #include #include #include using namespace std; using namespace cv; Mat...
View Articlewhat does generate.sh do here?
Hello, can some tell me what the script generate.sh in here do https://github.com/opencv/opencv/blob/873884aa47490ecbe8fda2aa92dbbeefbe05b00d/modules/core/src/opencl/runtime/generator/generate.sh I am...
View ArticleRadial distortion parameter k2=-300, is it possible?
I'm doing some calibration for micro photogrammetry close range with a reflex (macro 60mm + extension 36mm maximum zoom) but I obtain always a value of K2 very big, from -100 to -500, even if not any...
View ArticleResult of CLAHE is different on 8 and 16 bit grayscale image
Hi, I have got a remark, problem with CLAHE algorithm on applying 8 bit and 16 bit grayscale image. I use opencv-master build. So if i applying CLAHE algorithm on 8 bit grayscale image (CV_8UC1), the...
View ArticleOpenCV 3.1 CUDA ERROR help me
Have a nice day. What is the solution for this error? OpenCV Version: OpenCV 3.1 Cuda Version: v8.0 Graphics Card: NVIDIA GeForce GT 650M 2 GB DDR3 Ram : 4 GB source code: #ifdef _DEBUG #pragma...
View Articlehow to linearize light during a dayt whit abs_exposure camera parameter
Hi, On my camera I can use only gain and abs_exposure parameter (V4Lc linux ubuntu) ... my problem is change abs_exposure parameter duringa a day from 160 to 600 automatically (These values ​​have...
View ArticleGet depth data from Kinect v2 - ROS
Hello, I am working with ROS Kinetic and I am using a Kinect v2. I am generally new to depth sensors and as a undergraduate student I don't have someone to ask these kind of questions so please bare...
View ArticleGoing with stress, even out of Klonopin, I don't need more medications.
Being without much sleep since two days past, after I determined to stop taking Klonopin, also know it. I have being taking it after my Dad died from an car accident.I also have being going to psych...
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Being with panic and dealing with Klonopin. How it's not impossible?
Kpin, wɦich was initially I hear some men aƄout the street, abоut Klonopin wherе obtaining іt. That is hߋw kpin instеad of Klonopin, it is cɑlled ƅy tһеm, but cօuld be the ѕame, the productive...
View Articleerror: (-215) scn == 3 || scn == 4 in function cv::cvtColor
using: gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) i get: error: ..\..\..\..\opencv\modules\imgproc\src\color.cpp:3739: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor here's the whole...
View ArticleGstreamer missing plugin
Hello, I'm getting following error. ``` OpenCV Error: Unspecified error (GStreamer: your gstreamer installation is missing a required plugin ) in handlemessage, file...
View ArticleUsing python/c++ code how to identify face shapes and build 3d model
HI, My requirement is i need to identify face parameters (shape of face,shape of eyebrows & shape of nose ) from the given 2d images or using camera and construct 3d face model. Please suggest the...
View ArticleDetect the bounds of a Passport page with OpenCV
I am trying to develop a scanner that can scan a page of a Passport with the camera. So from a Passport page like this:  I'd like to crop out the...
View ArticleMultiplying Intensity Image Subtraction
So I am creating an intensity image as follows: void convertToGrayImg(Mat& img, Mat& result) { Mat gray_img; cvtColor(img, gray_img, CV_BGR2GRAY); result = gray_img; } Now I have to multiply...
View Articlewhere to get simple.jpg
Hi! Where do I get the sample images simple.jpg, chessboard.jpg, home.jpg, fly.png and others from the Python feature detection and description tutorial (...
View ArticlePixel-wise subtraction of image
So I am trying to multiply an intensity image with 0.5 and subtract it from each color channel using pixel wise operations like `ptr` and check that the values do not become negative, i.e. the new (R,...
View ArticleCrop Image Patch & Paste
So I am trying to extract a 16x16 patch from the centre of an image and paste it into some random location in the same image and display it. Here is the code I wrote for the same: void...
View ArticleI need to make a GUI in VS 2013 C++.. I have tested shape detection...
the function was tested in main.so how can i run that when click a button?
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4 Life-saving Tips About Hide Negative Search Results
Reviews on the internet can be managed. Patient tips and testimonials are able to and frequently do, significantly help determine your decision procedure and provider collection of different patients....
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