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Questions tagged [motion-detection]

Related to detection of motion related to programming issues, like computer vision, sensor control, etc.

Motion detection is a process of confirming a change in position of an object relative to its surroundings or the change in the surroundings relative to an object. This detection can be achieved by both mechanical and electronic methods. In addition to discrete, on or off motion detection, it can also consist of magnitude detection that can measure and quantify the strength or speed of this motion or the object that created it.

Motion can be detected by: sound (acoustic sensors), opacity (optical and infrared sensors and video image processors), geomagnetism (magnetic sensors, magnetometers), reflection of transmitted energy (infrared laser radar, ultrasonic sensors, and microwave radar sensors), electromagnetic induction (inductive-loop detectors), and vibration (triboelectric, seismic, and inertia-switch sensors).

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Can the motion tracking of Google's Tango project be used in Qt Apps for Android?

Is it possible to use the C-API of Google's Tango Library outside Android Studio? I want to build a Qt application for Android (using Qt-Creator) and use the motion tracking of Google's Tango project. How would I have to set up such a project?
coproc
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Detect device motion with respect to gravity

I am trying to build an App where I want to detect the motion of device. Basically I need to detect the fall of device. Can anyone help me on how can I do this Using accelerometer with respect to Gravity?
Deepali-Systematix
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Opencv python background substraction and motion tracking

I read about opencv on google and found the following sample code online to play with: import cv2 def diffImg(t0, t1, t2): d1 = cv2.absdiff(t2, t1) d2 = cv2.absdiff(t1, t0) return cv2.bitwise_and(d1, d2) cam =…
Harshit Laddha
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TensorFlow with c++, codeblocks

I'm working with c++ for motion recognition, is it possible to use tensorFlow with "codeblocks"?. I have found tutorial with visual studio only. Is there any other library for implementing the Time Delay Neural Network (TDNN). Thank you for your…
azertq
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Python FTP Upload calling variable

I'm uploading a file to the ftp server, the actual settings for the upload are correct but it isn't uploading the correct filename, it is uploading filename as the actual name of the file instead of capture...... #!/usr/bin/python # # …
Nick Doss
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What sensor to use to acquire motion if it is steady constant speed (Android)

What sensor except of location sensors in Android to use to detect the device is in motion if it is steady constant speed without accelerations? The motion detection is sufficient to be of boolean type - just detect if the device moves or not.
chainastole
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How to detect motion from already store webm video in c++

I want to detect motion in already existing video, The video is stored in the webm format. I have seen some demo of opencv but those samples is capturing the motion of the live webcam streaming. Is there any library or api which capture the motion…
user3471546
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OpenCV4Android: How to find the movements of head

I'm using Viola-Jones method to detect face, whenever the face is tilted there will be possibility of algorithm won't work properly. I want to detect that movements, when it can not able to detect the face. Can I implement this using motion…
Punith K
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How to overlay audio over one another?

Hello I am building an app which plays a sound when the user shakes it. Here is my code: #import "ViewController.h" #define accelerationThreshold 0.5 @interface ViewController () @property (strong, nonatomic) CMMotionManager…
user3647176
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Dectect motion with RFID without use of sensors

Does anyone know if the use of only one static active RFID tag are able to detect motion(eg. moving human or objects) by itself without any use of other extra tags or sensors?
ActiveUser
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Syntax error when trying to send message via telegram bot

Syntax Error I'm trying to make a Raspberry Pi Project with Motion sensor which would send me a telegram message via a bot. "Room is Quiet now..." " Motion detected after 4.81 seconds" I found a reference at…
Askar Mujhib
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Effective motion detection with OpenCV with stream received from IP Camera

I have two questions which I was struggling finding answers on the net for more than a week. I'm writing a Windows service on Visual C++ 2017 which connects to Axis IP Cameras on our network and queries MJPEG streams using regular sockets. It…
Ozan Yasin Dogan
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finding the right direction while moving your finger in android devices

I'm currently processing movement on Android and I used MotionEvent.ACTION_MOVE. I calculate currentx =(int) event.getX()/size and currenty=event.gety()/size, which gives me the integer base on the size of grid which I work on. Howevor, I want a…
Seyed Massoud Motallebi
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Extract images from video, change them to grayscale and find the differences

I am writing a function which takes the following actions: extracting from video, convert the frames to grayscale and calculate the difference between first two images that i have extract. I have done the code up to this point. But I have no idea…
newtoCS
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Motion detection in iphone/android without using GPS or internet

I am trying to detect motion of iphone/android without using internet or without using gps. Firstly i am not sure as to whether this is possible and if yes how to go about it. Thanks.
user445461
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