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

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Webcam doesn't work on Raspberry Pi VIDIOC-QUERYMENU: Invalid Argument

So I wrote an image processing program in Python on my windows computer and it works fine there, but when I try to run it on the Raspberry Pi I get VIDIOC-QUERYMENU: Invalid Argument a bunch of times. ...
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17 views

How can I mount or otherwise read the raspbian image on Windows?

Same as this question, but for Windows. I have already unsuccessfully tried to open the raspbian debian wheezy image with 7-Zip and Ext2explore. Next I'm going to install an Ubuntu Linux on ...
2
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1answer
53 views

make boot disk on disk with failed sectors?

I have several sd micro SD cards that have a failed sector or two. But i don't see why i shouldn't be able to make a boot disk out of them. Unfortunately, dd fails when it encounters a bad sector, and ...
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1answer
41 views

How to make backup Raspbian image?

I'm using latest version of Raspbian from http://downloads.raspberrypi.org/raspbian_latest I've made changes to this image, can an image copy be taken which includes all OS changes made to Raspbian ...
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1answer
24 views

Import image to python program

I am trying to run a simple python program that loads an image: import Image import os.path script_dir = os.path.dirname(os.path.abspath('__file__')) im = Image.open(os.path.join(script_dir, ...
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1answer
44 views

ptxdist and Rpi

I am trying to create an image for raspberry using ptxdist, but I can not create an image that works. I followed the tutorial "OSELAS.BSP-Pengutronix-Generic-arm-Quickstart.pdf" Step: Compile and ...
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0answers
27 views

Developing a replication process

i've been developing a product which i would like to deploy to a few dozen raspi's and the issue is, once i develop a release, typically less than 500mb it is on a 4gb sd card and i can't find a ...
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2answers
63 views

Struggling with installation of Raspbian on sd card from a Windows 8 Machine

I am a first timer asking question here, and also a new Raspberry PI user (well, potential user). So, I bought a new raspberry PI 2 with 16 GB SD Card yesterday. The SD card was without Noobs, so I ...
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0answers
36 views

Problem Restoring SD card backup

I have made many successful backups and restores of images using eg : Backup sudo dd if=/dev/rdisk1 of=/Users/rob/Desktop/Backups/rasberry-pi/downstairs.img bs=1m Restore sudo dd ...
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1answer
76 views

rPi B+ will not boot according to Arch Linux manual

I am trying to boot Arch Linux image. I've done everything according to Reinstall Manual and when I power up with created os on microSD card, the red and green LEDs are turned on, HDMI is dead, ...
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1answer
75 views

dd for image backup

My SD card corrupted itself but I have a back up image. The partition table leave 1GB unallocated space at the end so that I can restore to any 8GB memory card regardless of memory fluctuations. ...
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1answer
50 views

How to create a shrinked image of my working Rpi SD card

So i have this SD card of 64 GB lying around here. I want to distribute this image to other people which might have 8GB SD cards. I've tried the following: Read the image with win32 disk imager, ...
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0answers
86 views

Raspberry Pi for real-time ARtoolkit & Opencv based recognition?

I im supposed to develop a real-time interactive display unit with marker recognition & other CV stuff. I m considering Raspberry Pi for this purpose & I have few questions, it would be great ...
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0answers
208 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: ...
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2answers
83 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 ...
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2answers
219 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
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0answers
34 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. ...
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0answers
10 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
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1answer
218 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
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1answer
427 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 = ...
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0answers
213 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 ...
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0answers
560 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 ...
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1answer
342 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 ...
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1answer
121 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 ...
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0answers
39 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
156 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 ...
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0answers
134 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 ...
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0answers
44 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 ...
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2answers
97 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)
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1answer
32 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 ...
2
votes
0answers
122 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
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1answer
686 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 ...
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1answer
1k 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 ...
6
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2answers
3k 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
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0answers
29 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
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1answer
122 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
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1answer
72 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 ...
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1answer
714 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 ...
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3answers
4k 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
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0answers
78 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
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1answer
550 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 ...
5
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1answer
5k 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 ...
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2answers
530 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 ...
2
votes
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
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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 ...
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2answers
5k 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 ...
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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 ...
10
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1answer
681 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
978 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?