An image is a file containing the complete data of another medium.

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38 views

Cutom Splash Screen not working properly in Raspberry Pi B+

I have tried to add a custom splash screen to my Raspberry Pi B+, in order to replace the logs during the boot with a custom video, using the hints from the following website: ...
0
votes
2answers
45 views

Why do I have to “flash” the operating system onto the microsd card. Why can't I just copy and paste?

I know you can just copy and paste the NOOBS files and it works, but aside from that, in order to install other operating systems on a raspberry pi or some other similar device like odroid, etc, I'm ...
3
votes
2answers
112 views

Is it possible to flash the Pi's firmware live?

I already have few Raspberry Pi devices running Raspbian + my custom scripts. These device is internet connected and mounted at area which is hard to access, (e.g on top of a building) Over the ...
2
votes
0answers
20 views

Image Backup size doesn't match size on the card? [closed]

I'm following a tutorial about how to make a backup of my Raspberry PI to another SD Card with rsync... My Raspberry PI has one nginx http server, and a couple of node.js wiki daemons running on it. ...
0
votes
0answers
9 views

Camera module: Time lapse with live stream [duplicate]

I'd like to live stream a cooking class in college (so it's available for students to view live in a web-browser in classrooms around the college) whilst also automatically saving/capturing one image ...
0
votes
1answer
92 views

How to write raspistill image to usb drive

I want to write an image with raspistill (or video with raspivid) to a folder on an usb drive, but get an error. I connected my usb drive and found the storage location with sudo blkid: /dev/sda1. To ...
2
votes
1answer
191 views

Turning on Camera with code

I found the following code (on http://blog.oscarliang.net/raspberry-pi-face-recognition-opencv/) import cv cv.NamedWindow("w1", cv.CV_WINDOW_AUTOSIZE) camera_index = 0 capture = ...
0
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0answers
141 views

Facial Recognition on Raspberry Pi using GoPro

I was wondering if someone can tell me how to process a live video feed on the Pi (B) using a GoPro camera? I understand that there may be processing constraints. Then, I would like to do image ...
1
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0answers
315 views

Fast image array processing with Pi NoIR camera in Python using picamera module

I'm working on a project with a RasPi in which I have to find a bright spot in an image (the bright spot is fire). I've written a function (code below) which captures images to RGB arrays using the ...
1
vote
1answer
143 views

Raspbmc windows installer “Does Nothing”

When using Raspbmc from the original developers page Windows Installation, after finishing with the Windows Installer and following the installation note and also getting Successful message, it's the ...
1
vote
1answer
73 views

Taking a video stream with io.bytesio() and accessing frames during recording time

I've been looking into using picamera and so far ive managed to capture a sequence of images and process them, but found the time it takes between frame captures is horrible(ish), so i turned to using ...
0
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0answers
30 views

Install software to Raspberry Pi image before write to SD card fail!

I have been followed Alex Chamberlain's instructions to install software to the Raspberry Pi image (2014-06-20-wheezy-raspbian.img) on linux (Ubuntu) machine, before write image to SD card, but when I ...
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0answers
123 views

Bad magic number in super-block when trying to resize RPi image

I'm trying to follow RomanG's instructions in this thread: http://www.raspberrypi.org/forums/viewtopic.php?f=91&t=19468 on the Raspberry Pi Forums in order to shrink a Raspbian Image to fit on a ...
0
votes
0answers
116 views

Headless connection without using router

I have latest updates and upgrades and a RPi B+, I played with /etc/network/interfaces for adding a new wi-fi adaptor, but it's not working and Pi is not getting an IP address via my router or a dhcp ...
0
votes
0answers
35 views

Display Image at Specific Resoulutions and Screen Positions

Is there a way to open an image from the command line interface and have the image resized to 256x96 px and displayed from 0,0 to 256,96? I can play videos like this using omxplayer and the --win "0 0 ...
0
votes
2answers
63 views

How can I save my SD card without to make a too big image file?

I used Win32DiskImager. This made about my 8 GB SD card an 8 GB image file. But the partition is only about 50-70 MB big (I'm using RaspBMC)
0
votes
1answer
29 views

How do i save pic to the same png rather than creating a new png each time a pic is taken

i have a question, How do i save pic to the same png rather than creating a new png each time a pic is taken this is the command that execute the pic: *cd ~ mkdir picture cd picture screen ...
1
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0answers
98 views

Stereo camera frame synchronization/genlock (video or still image)

I need to frame synchronize a stereo camera for a computer vision application. The synchronization should be on a millisecond level possibly. I would like to get about 10 FPS either as video or still ...
0
votes
1answer
389 views

Optimising ImageMagick Conversions for Raspberry Pi

I've been working with ImageMagick on the Raspberry Pi (model B) and have noticed a bottle neck in the area of image conversions. When converting between bmp, jpg, png, etc. the speeds are acceptable ...
1
vote
1answer
683 views

raspberry pi python-tesseract install

A few months ago I created a project that uses the python-tesseract library on the raspberry pi. Since then I reinstalled rasbpian, and now I would like to reinstall the python-tesseract libary. The ...
4
votes
2answers
1k views

take images in a short time using the Raspberry Pi camera module

I'm working on a project in which I need to take about 30 images per second (no movie) using the Raspberry Pi camera module. I'm using the Picamera library ...
0
votes
0answers
26 views

Use output raspistill as CImg-image data

How to use terminal output as source for CImg-image? I’d like to use the output of raspistill -o - as image data for a CImg-object [I know it is possible using PIL in Python, but I’d like to do this ...
0
votes
1answer
111 views

Any IP cam image distribution available (that fits in 1Gig)?

i just bought a Raspberry Pi together with a PI-Cam, planning to use it as a custom surveillance camera setup (as described here). Unfortunately I found out that I need a 4Gig SD card in order to ...
0
votes
1answer
60 views

Can I perform a total backup of my system on an image file?

I am pretty new in Linux. I am configuring my RaspBerry that use RaspBian. Before to perform some settings I want to have a backup of my entire system in the current state. What can I do to save ...
1
vote
1answer
541 views

install U-boot : error : Makefile:501: *** “System not configured - see README”. Stop

I try to install u-boot . I followed [ http://elinux.org/RPi_U-Boot ] I downloaded source form git git clone git://git.denx.de/u-boot.git and get the Raspberry compiler git clone ...
3
votes
3answers
2k views

SD Image won't fit on SD Card

I have had one pi set up and running good for a while (RPi - 1). I wanted to create an image of RPi - 1 so I can load an exact copy onto my 2nd pi (RPi - 2). The SD card in RPi - 1 is 4GB (only about ...
0
votes
0answers
57 views

How to do a minimal size backup after expand_rootfs under Windows?

I downloaded official Raspbian image, did expand_rootfs, updated everything, installed needed packages, removed unneeded packages. So, now after everything is setup fine, I wanted to backup this image ...
1
vote
1answer
398 views

snort+snorby snapshot image or auto-installer

Is there a snapshot image file (*.img) like 'Raspbian' or 'Pidora' available for the RPi that comes with already installed passive IDS: snorby+snort+pulledpork+barnyard2+apache2+MySQL? Or is there ...
3
votes
1answer
3k views

How can I mount a Raspberry Pi linux distro image?

Normal filesystem images can be easily mounted: mount system.img /mnt Examined, and modified. But when I try this with a Raspberry Pi system image (e.g. raspbian), I get: mount: unknown ...
1
vote
2answers
402 views

open a win32diskimager-imported file on Windows

I have a raspberry pi. I did a backup by importing an image with win32diskimager. Is there any way to open this imported image and explore the filesystem in it? I'm on Windows 8, but Windows can't ...
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0answers
1k views

Existing Raspbian Installation in Qemu on Windows

I have a Raspberry Pi Model B running Raspbian NOOBS, which I'm preparing to use as a media centre / Node.JS server. I have followed various tutorials and managed to get a premade Raspbian image up ...
3
votes
1answer
2k views

Why I can't copy my Linux image to another SD card?

I have 2 SD cards (8 GB) I wrote my Wheezy image into one SD card (using Win32DiskImager) and I expanded the the disk space of the image on that card. then I used (Win32DiskImager) to read the Image ...
1
vote
1answer
4k views

how do I enable JPEG support with PIL?

By default, PIL doesn't have jpeg support on the Raspberry Pi, so it returns the following: IOError: decoder jpeg not available This can also be seen while installing PIL: *** JPEG support not ...
0
votes
1answer
1k views

Arch Linux ARMv6 latest image don't boot

I'm trying to run Arch Linux ARM on Raspberry Pi, following instructions from http://archlinuxarm.org/platforms/armv6/raspberry-pi. I've tried with two cards, 8 and 16 GB, but with same result: power ...
8
votes
1answer
451 views

Is there a way to alter the raspberry image that appears during boot?

A glint-box community member recently asked me if there was a way to replace the raspberry image that appears in the top-left corner of the screen during boot to something more NES-centric, such as a ...
1
vote
1answer
872 views

bitmap display programming in C [closed]

I have been working in DOS in the stoneage with C graphics. I want to display a bitmap that is computed as an array in the format my_bytes(x,y). In dos an fixed pointer address to the hardware bitmap ...
2
votes
4answers
1k views

What software library is avaliable for RPI camera module?

Where can I find software library to play with camera module? What is the quality of images? Is there any page that explains how camera module works? Does the image processing module use NEON?
8
votes
4answers
9k views

how to make an image(.img) from whats in the sdcard ? (but as compact as the original one)

(im on ubuntu) tried: sudo dd bs=4k if=/dev/mmcblk0 of=/media/1BAB47551C66A42B/raspbian_migs2.gz -creates an .img with 7.6GB (card size BUT whats on card has 700MB) and: sudo dd bs=4k ...
2
votes
2answers
2k views

Is there a pre-built LAMP server image for the Raspberry Pi?

I'm looking to set up a simple LAMP server. I do know how do this manually. I am not looking for a guide as to how to setup a LAMP server. Is there a pre-built LAMP server image that already has PHP, ...
3
votes
3answers
3k views

How to printscreen on Raspberry Pi?

I would like to screenshot the Midori browser and i've tried the following methods as mentioned HERE. Using Imagemagick which is pre-installed in Raspberry Pi. I pressed the printscreen key on the ...
3
votes
1answer
3k views

Image of a 16Gb card containing unpartitioned space at the end: Truncating possible?

I wanted to prepare a distro for some friends. As I didn't have anything else lying around, I used a 16Gb SD card. I started with the default Debian Weezy 2Gb image and did not do any resizing. Now, ...
4
votes
1answer
1k views

How do I improve speed of photo/image resize? (~8MB to ~100KB)

I'm building a program which reads photos off an SD Card then resize the images and upload them to Flickr (note, it's a second SD Card reader, not the one on-board) The photos are high-resolution ...
5
votes
5answers
6k views

Copy existing Raspbian installation to smaller SD card

Is it possible to copy an existing and configured Raspbian installation to a smaller SD card? When I first installed Raspbian I only had a 32 GB card at hand which obviously is bigger than needed.
16
votes
3answers
19k views

Can a Raspberry Pi be used to create a backup of itself?

This question answers the question of how I use an external computer to create a backup of my RPi. I'm wondering whether I can create a backup image of the SD card that is currently in use, and ...
1
vote
0answers
79 views

First SD image burned fine, subsequent images on same card don't work [closed]

I successfully burned a version of Wheezy to an 8gb card and it worked great, except it was incompatible with the primary program I was going to put on there. So I burned a new image and it didn't ...
8
votes
3answers
2k views

Raspberry Pi for real time video processing

A project I'm working on involves wireless transmission of images from a camera to a host computer in real time. Can the Raspberry Pi be used as a DSP for the camera for image acquisition and ...
2
votes
3answers
2k views

Raspberry Pi not booting at all with most images, but with some it does

I am having a very basic problem with my raspberry PI: It can't get it boot when I flash Images with dd on Linux nor with Win32 Image Writer on Windows. I tried several *.img-images, such a as Arch, ...
6
votes
1answer
13k views

Copy current SD image to larger SD card

So I got my new pi and the only free SD I had was 2GB. I couldn't hold off playing with it so it had to do for the time being. I loaded raspbmc and then spent time loading repositories, add-ons and ...
14
votes
1answer
8k views

FreeBSD - easiest way to install on my RPi?

Raspberry Pi support has been merged into FreeBSD-CURRENT a few months ago. However the latest installation instructions still involve a lengthy process of cross-compiling the entire OS on another ...
3
votes
2answers
1k views

Making a new image after changing a few parameter of Raspbian

I got Raspbian on a SD card. It is working. Then I installed a few program, modified some visual settings, and added some config files. What I would like to do now is release this image to other ...