Reducing greyscale to monochrome
Which is the best way to reduce a greyscale image to monochrome, as near as we see, visually.
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Nevertheless , This Practice Has Become Fewer Common
Here is some data concerning a scaffolding structure we're very happy to suggest: the best 50. It had been much simpler in order to say that priests abstain from all sexual behavior. This can be the...
View ArticleMeasuring the dimension of object with OpenCV.
Hello . I have a project for the detection of object and measuring dimensions .so i use traincascade for the detection but i have one problem .For this instruction vector faces .so what is faces.x...
View ArticleTrouble importing cv2...
Using win7 (believe) I've downloaded the opencv software correctly. Copied cv2.pyd into site-packeges folder. buuuuttt "import cv2" returns "no module named cv2" Not really sure how to continue trouble...
View ArticleAdvice On Downloading Tunes Through The Laptop or computer Professionals
Are you a beginner at downloading songs? Do you desire a collection of your best music on hand? You will be fortunate! Currently, there are numerous places where you may obtain your faves. This article...
View ArticleIs the face detection / recognition dependent on the camera view?
when i minimize my app, the javacamera disconnects.. how can i disable the disconnection? (even if it means overriding the camera of android) i want to run the face detection/recognition while Im...
View ArticleLinking opencv3.0 with Desktop Qt 5.5.1 MinGW 32 bit
How to link opencv3, Qt 5.5.1 MinGW 32 bit.
View ArticleError clahe opencv 3.0 undefined reference to symbol
Hello. Before ask here I tried http://answers.opencv.org/question/46755/first-example-code-error/ but didn't solve the problem. This is the code i'm using: >'#include "opencv2/imgcodecs.hpp">...
View ArticleVisual Studio 2015 + MFC Office Style + OpenCV 3.1 = Memory Leaks
Hi, i have problems using OpenCV 3.1 with Visual Studio 2015 (Prof.) and MFC. First, i build the libraries dynamic: I use CMake 3.4.1 and select the option "BUILD_SHARED_LIBS". The option...
View ArticleWhy opencv doesnt detect the object?
I’m working on a project that should filter the red objects in an image and calculates the distance to this object with two webcams. To detect the objects i convert the image from BGR to HSV and use...
View ArticlecompareHist
Hello at all! someone could tell me the principal differeces between comparison methods as CV_COMP_CHISQR, CV_COMP_CORREL and CV_COMP_INTERSECT? Could tell me also the mean of this methods and the...
View Articlecluster similar keypoints in a set of near similar images
Hello, in a project I'm using SURF to extract keypoints from a set of near similar images. The images are near similar, so they have a lot of similar keypoints and a few keypoints that are different....
View Articlereading video from named pipe, h264
I am getting raw video from netcat and passing it to the pipe nc -l -p 5777 -v > fifo then i am trying to read the pipe and display the result in the python script import cv2 import sys...
View ArticleOpenCV Error: Gpu API call
Hello, I am using openCV for my first time, and I'm having some problems. The matter is that I want to use the CUDA functionallity, but it gives me an error: OpenCV Error: Gpu API call (NCV Assertion...
View ArticleWhenever i use Imgproc.rectangle and Imgproc.circle function following error...
package org.opencv.samples.tutorial1; import org.opencv.android.BaseLoaderCallback; import org.opencv.android.CameraBridgeViewBase; import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;...
View ArticleIs it possible to compare and match the keypoints and descriptors of an image...
It is an object recognition project that I'm working on. I want to compare the keypoints and descriptors of a base image that i already have in the background, with a video that will be running in...
View Articlesurface matching not working
Hi, I'm trying to run surface matching module (http://docs.opencv.org/3.0-beta/modules/surface_matching/doc/surface_matching.html), downloaded from https://github.com/Itseez/opencv_contrib. For the...
View ArticleHow to extract LBP features from an image?
I am new to computer vision. Can anyone tell me how to extract LBP features from an image using c++ and opencv 3.0? I have seen quite few tutorials yet I have not been able to implement one.
View ArticleHow can we detect accidents on roads using cctv camera in real time?
By using the current survilance cameras on roads, how can we detect accident occured using opencv
View ArticleWhich methods can be used to detect hand in a complex background
 I have to detect hand regions in a video without using skin color as a hint. Do you have any idea on which algorithms I can make use of to detect...
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