opencv with broadcasting
I have done basic OpenCV integration on Android. Now I want it to broadcast with live streaming. Pl, give any library to directly input it.
View ArticleTrouble with webcam opening on ubuntu 16.04 C++
I have tried to confirm that OpenCV is working on a new install I have just completed and found that I could open a jpeg and went on to check the web cam. I have installed cheese and found the web cam...
View ArticleWhat compiler flags make opencv even more faster?
Our application is using opencv and ffmpeg; we want to build the opencv, such that it will leverage all the parallel processing and GPU hardware available under that particular os. Can you please list...
View ArticleError building opencv 3.3.0 Windows 10 Cmake 3.10
I was trying to build opencv to use in Code::Blocks following this guide: link: https://kevinhughes.ca/tutorials/opencv-install-on-windows-with-codeblocks-and-mingw. While building, I got the...
View ArticleHow to extract frames from a playing video
I am using opencv abnd javafx. How to get frames of the video for image processing using opencv and java
View ArticleHow to properly convert Mat to Bitmap C++
Hello, I'm a student and I'm learning OpenCV (C++) and I'm having a weird question. I'm using OpenCV in C++/CLI and a C# Windows Form to show the output. This is my plan on how to do this: 1. Load Mat...
View ArticleSecond camera is not opening until the first camera is released
I want to display the video inputs from two cameras at the same time. I used below code. capL = cv.VideoCapture(0) capR = cv.VideoCapture(1) if capL.isOpened() & capR.isOpened(): while True: retL,...
View ArticleAccess webcam without sudo
The code below will only work if I run it with sudo: cap = cv2.VideoCapture(0) cap.set(cv2.CAP_PROP_FRAME_WIDTH, 320) cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 240) while True: ret, img = cap.read()...
View ArticleInterval shooting (Time lapse)
I am a very beginner to opencv . how to find interval shooting(Time lapse) using opencv and java.
View ArticleDetecting shapes using opencv with Java
How can i find straight line, square, circle, polygon, angle, arc, vertical line, inter-circle distance, 4 point angle etc. using opencv and java. How can i start this.Please guide me.
View ArticleHow to Draw a box then detect if object just enter on it
Hello just like the title i just want to ask How to Draw a box then detect if object just enter on it. Using opencv and python hopefully some of you guys can help me thanksss
View ArticleHow to add background in webcam using python and opencv
I am trying to add video as background when (like this video https://www.youtube.com/watch?v=G_AVZ8GZbTw)i am connecting to webcam. For this i did Background extraction first in this code i folow these...
View ArticleOpenCV installation on windows 10 - qt configure aborting
Hi, I'm on step 6j of the ["Installation in Windows" -tutoria](https://docs.opencv.org/2.4/doc/tutorials/introduction/windows_install/windows_install.html#windows-installation)l If i try the configure...
View Articlecompiler error when compiling opencv 3.3.0
Scanning dependencies of target example_optflow_optical_flow_evaluation [ 86%] Building CXX object...
View ArticleOpenCV Error: Assertion failed (_dst.fixedType()) in...
Hello, I am very new to Open CV, using Open CV 3.3.0 with visual studio 2012. While using cv::convertPointsHomogeneous(Thomogeneous, T) function , am getting error message like " Error: Assertion...
View ArticleBuilding OpenCV with OpenNI and PrimeSensor Module.
Hello All, Recently I started to use OpenCV library using Pre-Built Libraries installer provided in the link. https://sourceforge.net/projects/opencvlibrary/files/opencv-win/3.3.0/ Now I need to use...
View ArticleNeon support for basic matrix operations
Is there a Neon support for add/subtract operations? If not, is there a plan to add such support?
View ArticleI am not able to put text in my frames of the video it is not giving any...
import tensorflow as tf import cv2 fn_list=[] # Capture video from file cap = cv2.VideoCapture('test_lego.wmv') image_path = '/home/shorav/tfClassifier/new_capture.jpg' label_lines = [line.rstrip()...
View ArticleOpencv output not matching examples
I am trying to do some vertical and horizontal line splitting with the Sobol operator. I was reading this example and I tried it out in my jupyter notebook, but my output was completely different from...
View Articleload tensor flow model in pb file in opencv
HI I had the same issue that even after transforming the graph...still mean layer is causing issue when loading a tensor flow model in opencv. Are you able to figure it out the solution?
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