Questions tagged [highspeed]
12 questions
12
votes
2 answers
60/120fps preview data on an Android device?
We would like to process 120 fps (or 60fps) camera preview data using Neon assembly or GPU shaders to perform a simple image processing operation (eg 3x3 convolution).
We are NOT interested in displaying the image on the screen so the camera data…
twerdster
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2
votes
2 answers
Are the C++ Standard Library File stream operations crippled in Microsoft?
I'm asking this question because I have been working on a project that requires collecting a lot of data REALLY fast, depending on the scenario. 5.7GBytes with a capital BYTE per second or 11.4GBytes per second.
We are working with a small striped…
Smeghead
- 21
- 3
2
votes
0 answers
CameraConstrainedHighSpeedCaptureSession is not working on API level 30 (Android 11)
I made an application using camera2.CameraConstrainedHighSpeedCaptureSession api
to acquire 120fps camera capture and it worked very well.
(Samsung Galaxy 10 with Android version 11)
However, after the Android version 11 update,
the preview is a…
hoo
- 21
- 2
1
vote
0 answers
Open images in .cine file with Python module imageio
Using a Phantom high speed camera, the software saves an array of images in the '.cine' file format. This format is supported by imageio in python according to the docs. So, I installed the FreeImage backend as described elsewhere and tried to load…
Adriaan
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1
vote
1 answer
Line following robot for high speeds
How can one design line following bot using only camera sensor but for high speeds? I am currently using opencv library to process frames and calculate steering angle from that. But at higher speeds, since the path changes rapidly the given approach…
n_m
- 13
- 3
1
vote
1 answer
Get the optimal video preview size for a high-speed video session
This question is targeted to high-speed video sessions, and not normal video sessions.
Currently in Android Camera2 API, to resolve the optimal preview size I use a target video output size as reference, and compute from it the best preview size by…
PerracoLabs
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1
vote
1 answer
high-speed uart in python
I have a microcontroller that sends data via UART at 3 MBaud. The microcontroller sends a start/status Byte every 8000 Bytes. I d'like my python script to read all data and analyse the data between the start bytes.
I know that Python is able to…
Mathiable
- 21
- 2
0
votes
1 answer
What's the fastest way to trigger a PiCamera using a light barrier for capturing small, fast-moving objects?
I want to trigger a PiCamera by a light barrier to catch up small, fast moving objects with the Camera.
Setup:
IR-Light barrier module connected to GPIO Pin 4 on a Raspberry Pi zero as well as a Raspberry Pi Camera
from picamera import…
Liam
- 11
- 1
0
votes
1 answer
PL2303TA (USB to Serial Bridge Controller) Serial Port Speed at 3Mbps (C#)
I'm try reading data from COM port. i used PL2303TA Convertor that increases data transfer speed. my data transfer speed is 3Mpbs and I'm looking for sample to read data at this Speed.
i wrote a program by C# and use "while" loop to read receiving…
Alireza Izadimehr
- 186
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0
votes
0 answers
Read SerialPort RealTime in HighSpeed Mode
I work on serial Port to read data. serial port's baud-rate is 921600 bps and i use these code to read data:
while(true)
{
bytesToRead = sensor.BytesToRead;
if (bytesToRead > 0)
{
byte[] input = new…
Alireza Izadimehr
- 186
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- 16
0
votes
1 answer
Multiple Timers treating List at high speed causes issue
I'm writing a C# library that needs to treat a List at high speed via multiple Timers.
I ran into very erratic error, where I try to remove an element that I know for sure is contained into the List but the program returns the following error…
LePioo
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0
votes
1 answer
What is the name of the Microsoft low-level, high speed runtime data capture program"
Microsoft has a tool that will capture SCADS of O/S low-level data while the O/S is running. We're talking memory backed by terabyte SSD. Although I've used it on a few occasions, I can't remember the name. Help.
I've just spent the last 3 hours…
Dick Bridges
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