Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [image]

An image is a file containing the complete data of another medium, e.g. the content of a SD card.

0
votes
1answer
13 views

Dependencies problem installing mmrcn

Hello i am trying to use ML techniques to identify cars in an image using opencv. I have been following this tutorial : https://medium.com/@ageitgey/snagging-parking-spaces-with-mask-r-cnn-and-python-...
0
votes
2answers
80 views

What is the fastest way to send commands to Raspberry Pi over ethernet?

I'm working on a IoT project. The idea is basically: I have a notebook running a Python program that get frames from an IP camera, process it, and based on the result change a Raspberry Pi GPIO pin ...
0
votes
0answers
18 views

super high fps for low resulution

I'm looking for a solution like this: if i want to sample a camera (or some bitmap stream) in a frame rate of 1000 fps, Is it possible to do so with rasberry pi? what will be the resulution? (i need ...
0
votes
0answers
16 views

change pi password on img before first boot, ssh [duplicate]

I want to be able to change the default pi:raspberry credentials on the image before first boot of a PiZero WH over the internet (phone hotspot, no home network). The default is a weak spot. I want to ...
0
votes
1answer
34 views

Display most recent image in folder on monitor

I currently have a receiver system that downlinks real-time images of earth from a weather satellite to a Raspberry Pi, where it then stores them as jpgs. What I am looking to do is automatically ...
0
votes
0answers
20 views

Cannot load image in a browser from external hdd

I have an external HDD connected to a Raspberry. I can read and write to the hdd, but when i create a simple tag in html, it does not load the image: <img src=/mnt/hdd/image.jpg /> The image ...
0
votes
3answers
256 views

How to edit Raspberry Pi files from SD card on Windows machine?

I am distributing multiple Raspberry Pi OS images, all images are almost identical, the only difference is that there is one file /usr/MyFolder/MyFile.txt which content is different for different ...
0
votes
0answers
34 views

Install WiFi Driver for Zero W without WiFi-Connectoin

I have this customized Raspbian Image, which I need to operate a DIY Hardware solution. The Image is configured for a Raspberry Pi 2 B+. I now want to use the Image for a Raspberry Pi Zero W. With ...
0
votes
0answers
14 views

Backup the system image, and restore with different size of SD card [duplicate]

I know how to backup system image, but what if I want to restore the image to a different size of SD card that does not match the one I backup from? Generally 2 cases: 1. The source SD card is 16G, ...
1
vote
1answer
26 views

How do I change current retropie to a ready to play img?

I was wondering if I wanted to change my current running retropie to another retropie img do I just remove the micro sd card and pop in another one with a different img
0
votes
2answers
25 views

Program not able to open file at start up but when running from command line, runs as expected

using a library from https://github.com/BLavery/LIBtft144 this line of code doesn't seem to run when I run the program from a systemd. I also tried calling it from a crontab call of my .py program. ...
2
votes
1answer
39 views

Viewing the contents of an IMG file

I have an retroPi img file that I wanted to view the contents for. I've burned the contents onto an SD card and when my Mac mounts the volume, I only see 50 or so megabytes worth of content, yet when ...
0
votes
3answers
72 views

Does this message mean my microSD card is worn out?

Was going through my usual process of writing a Raspbian image to a microSD card using sudo dd bs=1m if=/my_pi-zero.img of=/dev/rdisk3 conv=sync on my mac and I received the following message dd: /...
0
votes
1answer
66 views

Are there Restore Points alternatives on Raspberry Pi?

I have the following problem - we are distributing Raspberry Pi devices with our some software installed into it to our clients. Occasionally we need to update the current state of their OS (for ...
0
votes
1answer
72 views

I've flashed my Pi's SD card to reset it to a earlier state using an img of it but I'm getting this error in etcher all the time

This is the error that I’m getting in etcher. I've also tried the macOS disk utility tool to restore it but I'm getting errors there too. The error message is German but it says something like the ...
0
votes
1answer
334 views

Is there a way to run Raspberry Pi Image on Windows?

I have a Raspberry Pi with Raspbian Stretch OS installed, I want to take an image of its current state then run in it in virtual environment on my Windows machine, make some changes to the OS state (i....
0
votes
1answer
51 views

Fallback kernel.img possible in config.txt

I have a raspberry with a customized OS. The image it should load is described in the config.txt on the boot partition. The image is called zImage and the line in the config.txt is: kernel=zImage I ...
0
votes
1answer
25 views

Update a previous Raspbian image to rasp b+? [duplicate]

I'm sorry if the question has been already asked, I couldn't find it. I bought a raspberry pi 3 2 years ago, and I still use it with no problem. I bought a new rasp pi 3 b+ 1 week ago, and I tried to ...
0
votes
0answers
19 views

How to disable the Desktop view in Raspberry Pi

I am making a project which will keep on playing video ads onto the TV screen. So, a video is being played and after 50% of the play, the python script checks if there's a new video to be played or ...
0
votes
1answer
191 views

feh can't display image

I have written a python script that displays the image from the URL. def image_func(link_image): img_cmd = "feh -F %s" %(link_image) os.system(img_cmd) os.system("pkill feh") If I ...
0
votes
1answer
113 views

Seeking image file preconfigured for headless Pi Zero W

Rather than take a distro and follow instructions to configure it, I am looking for a preconfigured image file which I can write to SD and just use. Is there one, or is configuration absolutely ...
8
votes
2answers
1k views

Which images can be used universally across all Raspberry Pi versions?

My search failed this time so I'm asking here. Are there images that universally can be used across all Raspberry Pi versions? Original, 2, B+ 3, etc. For Armv6 and Armv7 architecture If they do ...
0
votes
1answer
364 views

Win32DiskImager working with compressed files

Win32DiskImager is a cool tool on Windows except: we have to manually extract the ZIP file and then flash it, and then delete the ZIP it doesn't seem to work in command-line Is there a way to make ...
0
votes
1answer
291 views

qtdesign-UI using PyQt5 is not showing images on raspberry

My ui created in qtdesign is not showing the images on raspberry pi 3B+ with LCD-screen. I added them to the ui via the resource and in qtDesign5 they do show up. I have tried to add the image as ...
0
votes
1answer
243 views

Combine/Merge different Raspberry Pi Images

I tried to find something about it, but I didn't found anything. I want to run the two images of Picroft and Pi MusicBox or Volumio on the same Raspberry Pi. Is there a way of merging/combining two ...
1
vote
0answers
137 views

Displaying only video/image while python program running on background

I have a Raspberry Pi 3B with a Python3 code running 24/7. Right now, I'm running Raspbian Stretch desktop on console mode with no I/O. I only connect a screen via HDMI and an USB keyboard for ...
0
votes
1answer
564 views

Virtual Machine Image

If I made an install of Raspbian with all the stuff I want setup on a virtual machine, could I then image it and use it to run on a raspberry pi system? I am asking because I want to test stuff out on ...
0
votes
0answers
29 views

Raspberry Pi back up image shrinking [duplicate]

I have a Raspberry Pi running Raspbian. I need to make an image of a whole SD card, shrink it to minimal size and, in case of errors, corruption, etc., be able to burn this image to a new SD card. So ...
1
vote
0answers
75 views

Display Real-time processed images in Raspberry Pi

I am working on real time image processing in raspberry Pi. Goal is to fetch and process 64x64 frame with 60 fps. I am using numpy to process these frames. And i want to display these processed images ...
1
vote
0answers
322 views

PI camera: Image processing

I am interested in image processing with Pi camera. My intentions are as follows: To fetch an image of 64 x 64 resolution at 60 fps in a buffer one by one continuously. Process each image in real ...
1
vote
2answers
935 views

Industrial Reliability of Raspberry Pi for long-term use? [closed]

I need to automate my plant room, having a few water tanks and pumps. Will RPi 3 Model B be reliable for this purpose? It will need to be 24/7 monitoring. Any experiences? Any mathematical ...
0
votes
1answer
216 views

How to allow non-root access to /dev/tty7

I have problems running fbi without sudo. As user pi running fbi -noverbose -nocomments -T 7 -1 -t 10 test.jpg or fbi -noverbose -nocomments -T 1 -1 -t 10 test.jpg I get an error /dev/tty7: ...
0
votes
0answers
394 views

What could I do to optimize rendering time of image with tkinter?

I've been working on a project using Python 2.7 and TKinter which needs to render 25 images per second based on GPIO inputs. I have working code on my Ubuntu laptop, which is able to render an image ...
-1
votes
1answer
66 views

1 Gigabyte Image with GUI and Firefox

I'm looking for a super small image for my Pi < 1 gigabyte. I need it to fit within the memory of the Pi. I only have 4 requirements: long term availability, a Gui, Firefox, and ethernet drivers. ...
3
votes
1answer
91 views

How to load a custom image remotely with SD card inside?

How to load an image to the pie remotely while SD card is inside of the device? I don't think I can do this using dd command while connected via SSH / VNC. A new image should be probably loaded from ...
2
votes
2answers
2k views

Win32diskImager “Not enough space on disk Size: 62652416 sectors. Available: 62333952”

I've been careful to buy the same Samsung 32GB SD cards for all my Rpi3 systems to avoid the dreaded Win32diskImager size error. All of the Rpi images are stored safely in the NAS as .img files. ...
1
vote
3answers
236 views

Block script excecution when fbi is displaying image

I use omxplayer for videos and fbi for images. My problems is that when command fbi run the nex command will run at the same time. How can I serialize the fbi commands so that images and videos are ...
2
votes
1answer
196 views

Mass deployment on Raspberry Compute Module 3.0

I am looking for the easiest method to backup/restore/mass deploy the raspberry compute module. (1000+ pcs) I though about creating an image with raspbian and opencv but I still need to connect the ...
0
votes
1answer
391 views

Raspberry Pi Boot USB Flash Drive Automatic Image Backup

I boot Raspberry Pi’s from USB Flash Drives and have been trying to utilize the bkup_rpimage found on GitHub. I changed the drive to point to the USB Flash Drive in the bkup_rpimage.sh file; however, ...
0
votes
2answers
232 views

Why is Raspbian Stretch's image is SO HUGE on Window?

I downloaded Raspbian Stretch with Desktop to install on my PI. Once it completed, I tried to extract the file, but the window complained that there is not enough space that I need some 470 GB MORE. ...
0
votes
1answer
97 views

Any lightweight image editor without X

down vote favorite I'm new to modern Linux (but not a beginner in programming). I want to create a light weight coding box on a Raspberry Pi. With just command line tools and Love2D (built on SDL2). ...
1
vote
4answers
2k views

how to create a bootable image for Raspberry Pi

I need to create a bootable image like ***.img for a SD card. At the moment I am doing something like this: dd if=/dev/zero bs=512 count=1 seek=SD_CARD_SECTORS of=boot.img sfdisk --force --no-reread -...
-1
votes
1answer
34 views

Import picture from internet [closed]

I am working on a project that will take an image[s] from an online webcam such as this and then be able to apply some edge detection and motion detection. I have the edge and motion detection running ...
1
vote
1answer
139 views

Imaging RetroPie to a second SD card using Raspbian

The only computer I have right now is a Raspberry Pi 3 Model B running Raspbian. I have a second MicroSD card that I want to install RetroPie on. I'm a complete noob and all the installation guides ...
0
votes
1answer
58 views

Is it possible to obtain multi-spectral images with pi zero camera OV5647?

I am trying to capture multi-spectral images with a pizero camera V2.0 with Ssensor OV5647. I want to know how is it possible or if there is some commands? Thank you
0
votes
1answer
358 views

Waveshare Image Display

I'm trying to have a jpeg image I've downloaded displayed on a screen. I'm executing the below code on a raspberry pi that'll display the shapes & image on a waveshare display. For the life of me, ...
0
votes
1answer
143 views

Cannot take picture with Canon Rebel XT connected to Pi3 via gphoto2

When I try to take an automatic picture with my SLR camera (Canon Rebel XT) via the following command in gphoto2: gphoto2 --trigger-capture It returns an error as follow *** Error *** ...
1
vote
1answer
2k views

Howto prepare a SD card from a tar archive

For testing various setups I feel it more comfortable to use tar archives instead of images. You only save programs and data, no need to fiddle with nullbytes to optimize compression or shrink ...
1
vote
0answers
353 views

(RetroPie) (MAME) Are there prewritten ROM sets that fit into specific Micro SD sizes?

I noticed the MAME sets at Archive.org MAY work with Retropie OS, but it's over 200 GB, and I was wondering if there was any way of knowing which games will or won't run, or if there were prewritten ...
0
votes
0answers
288 views

How should I transfer photo/video wireless to RaspberryPi?

I am trying 2 things. 1- Transferring photo via Bluetooth to a RaspberryPi 2- Transferring video via WiFi to raspberryPi But I don't know how to connect a Bluetooth or WiFi module to raspberry? I ...