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Questions tagged [surveillance]

30 questions
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How to surveil variables in XCode4.2's debugger

I have a few int16 attributes of my core data entities, and I want to surveil them during the debugging but I met some troubles. First, I want to surveil attributes named "order" and "total", both of the type integer 16. and here is my code for…
Wang Liang
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Mean incidence rate calculation

I'm using the surveil R package to calculate incidence rates https://cran.rstudio.com/web/packages/surveil/vignettes/surveil-demo.html library(surveil) library(dplyr) library(ggplot2) library(knitr) tx.msa <- msa %>% group_by(Year, Race) %>% …
Ana
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How can I connect a TCP/IP Camera to the PC?

I want to write an application that can capture from a TCP/IP camera. I haven't bought the camera yet. I have the following questions: What should I look for in the camera? Do all cameras have SDKs or APIs for that? thanks
Sulaiman
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Can a website perform OS level surveillance functions such as screen capture and packet sniffing?

I am wondering if a website (with or without Javascript) can perform surveillance such as OS screen capture, packet sniffing, etc? I am curious specifically about IOS, but I will gladly hear about other OS' as well.
azure
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Video streaming from ip camera gets closed after a quite time ago "[mjpeg @ 0x97226c0] overread 1"

im trying to develop a surveillance camera program with python and opencv using an ESP32 with the OV2640 camera module, it connects with my local net and stream image to my local ip, this program should take photo periodically and apply cv2…
Omar Gaxiola
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Image comparison in python to detect motion detection in a video

I am working on a project where I need to detect motion in a video stream(to be specific, to detect objects in a surveillance videos of atm). When motion is detected further processing is done. There is no need for detection of an area where the…
Arjun
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Finding significant images in a set of surveillance camera images

I've had theft problems outside my house so I setup a simple webcam to capture every second with Dorgem (http://dorgem.sf.net). Dorgem does offer a feature to use motion detection to only capture frames where something is moving on the screen. The…
Cammer
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How to extract HSV histogram from image. [EmguCV]

I am making a project where I want to re-identify person based on their soft features like cloth color. So I want to get the HSV and RGB histogram of their images and compare it later to check if it is the same person. Code i made so far: //This is…
Nabeel Zafar
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Using smartphones' cameras for video surveillance

I have two smartphones that I no longer use and I'd like to use their cameras for a basic video surveillance system, rather than buying expensive cameras. My idea is to record overnight, and save the videos on my laptop. It would be a good…
Zaphod Beeblebrox
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how to use MHI and MEI for action recognition

I'm currently working on a project to recognise human action / activity through Matlab for elderly surveillance. I'm reading up on different paper to understand how to recognise these action and I have across motion history image and motion energy…
ahleeny
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noise in webcam frames Python + Opencv

I'm using Opencv 2.4.5 with python 2.7 to track people in video surveillance. At the beginning I used .avi and .mpeg videos to test my code, now I want to use a hcv-m100c camera. I am using a simple difference between frames (an initial frame…
Gab Hum
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Video Scene Detection for .Net windows app

I'm trying to do scene detection on video files. I want to take a video file as an input and i want to detect scene changes and also tell me at what positions are scene changes happening. I'm happy to use 3rd party libraries to do this, but I'm not…
ProblemSolver
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cv_exports in blobtracking for video surveillance

I am doing a project on video surveillance where the vehicle has to be tracked from the video and have to also identify which vehicle is it. i am using opencv. i am using blob tracking in it. is there any other method to detec vehicles using opencv.…
sarkar
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Show IP camera using c# windows forms

i'm developing software to display ip camera "Acti", i tried to use axnvUnifiedControl but i cannot find any information about it. my goal is to connect to the camera using IP, username, and password and display the camera image in windows form. i'm…
Mustafa Magdy
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Video camera to upload footage to Azure

We have an UVC camera from Ubiquiti and I'd like to upload the surveillance footage to Azure cloud, I don't want to do a daily backup of the footage, I need the footage to be uploaded directly to Azure somehow. Can I do this?
RaduG
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