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3
votes
5answers
19k views

How to link processing power of old computers together?

I'm sitting on 8 old computers of varied sorts that are more or less useless at this point for any other purpose really. Is there a way I could link their hardware or processing power or whatever ...
7
votes
9answers
218k views

Is it possible to increase the resolution of an image without using expensive softwares?

I just wanted to know if it is possible to increase the resolution of an image (or you can say increase the quality of an image) using some simple software? If yes, then some guidelines are most ...
-1
votes
1answer
23 views

How can I prevent processing.exe requiring network access?

Running processing.exe in Windows 7 here causes a firewall dialog requesting network access. where uncheckmarking that box disables the Allow button. How can I get this program to run without me ...
0
votes
0answers
11 views

How can I make a new keyboard shortcut for Photoshop that opens a image in a new layer?

In Photoshop you can manage shortcut to change an existing shortcut or action. To open a specific image and makes an automatic layer I need a new shortcut code to install it. Can anyone help me?
123
votes
5answers
145k views

Using ffmpeg to cut up video

I am using ffmpeg to cut out a section of a large file like this: ffmpeg -i input.wmv -ss 60 -t 60 -acodec copy -vcodec copy output.wmv The -ss part works fine but the -t is ignored. It correctly ...
34
votes
7answers
26k views

How to extract image from PDF file

I currently use Foxit's PDF reader, and I recently downloaded an image from the Internet, but it is inside a PDF file. How do I extract this image? Operating system is Windows 7.
-5
votes
1answer
21 views

Multi-Threading, Multi-Tasking and Multi-Processing [closed]

What are differences between Multi-Threading Multi-Tasking Multi-Processing , And which one has most relation to parallel computing?
4
votes
5answers
5k views

How to convert videos to 3D format so that I can watch them with 3D glasses

Are there any softwares to convert 2D videos to 3D (preferably XviD) so that I can watch them with 3D glasses? No matter if it's freeware or shareware.
4
votes
5answers
3k views

Convert color photos of documents to good black-and-white (bitonal) images?

Since I don't have a copier or scanner, I'm using an 8 megapixel camera to copy documents. This works pretty well except they need a lot of processing afterward. I'd like to get from a photo to a ...
5
votes
4answers
8k views

How can I change all pixels of one color to another color in a picture?

I have an image which looks like this: However, the yellow line needs to be red and the cyan line needs to be green. I have Paint and IrfanView. How can I change the colors of the yellow and cyan ...
1
vote
4answers
335 views

retrieving headers / comment blocks

I have a number of log files that look like this: /* header arbitrary number of lines */ blah blah blah blah Using simple Bash commands (preferably sed, not awk), how would I retrieve only the ...
0
votes
1answer
80 views

Clipped video using ffmpeg is shorter than expected

I'm trying to get a clip of length 6 secs from a MP4 video (size: 1.44 GB, length: 02:23:38). But video stream stops after 1 sec, while audio stream keeps playing normally until 6 secs. I'm using ...
11
votes
2answers
6k views

What's the state of the art in image upscaling?

I like to collect cool pics and use them as wallpapers or for other things. Often, artists publish only low-res versions, probably for fear of theft. Example: Now, if I want to use that as a ...
3
votes
4answers
4k views

Transform a trapezium into a rectangle

I used my iPhone to capture a painting. However, the angle was not perfect, so instead of getting a straight rectangle, I get a trapezium. I want to transform this trapezium back into a rectangle (...
2
votes
10answers
19k views

How do I resize images without a loss in quality?

I have a number of JPEG images with a resolution of 2010 x 1080. I want to create an index page for these images which has smaller versions of the originals that I can zoom in on. I tried to do this ...
-2
votes
1answer
318 views

Connect an RGB LED strip over USB [closed]

I am building a PC and wanted to do custom lighting with an RGB LED strip. I could connect an Arduino to one of the internal USB headers but decided that I wanted to try and connect the power to molex ...
0
votes
5answers
147 views

Need an idiot-proof picture resizing program for Windows [duplicate]

Possible Duplicate: Program to automate image resize My friend needs to resize some pictures as part of a web publishing job, but he is rather clueless when it comes to computers. I am in ...
15
votes
7answers
8k views

Software to clean up photos of whiteboards and documents? [closed]

I take a lot of photos of whiteboards, blackboards, and so on for teaching purposes (examples online through May 2010). I'm interested in cleaning them up for archival purposes, preferably using Linux....
1
vote
3answers
427 views

Program to reduce image noise [closed]

Does anyone know any good free program to reduce noise in images. My camera was set on ISO auto when i took some pictures and it made some of them at ISO 1000 - 1600.
2
votes
7answers
10k views

Best freeware to remove redeye in images? [closed]

What is the best freeware application which can remove red eye in images?
10
votes
4answers
3k views

Combine Multiple Audio Files into a single higher-quality audio File

BACKGROUND My team gave a demo to a large audience - we recorded the audio of the demo in multiple locations in the room (3) the audio was recorded using cheap laptop microphones I was not involved ...
1
vote
2answers
13k views

How can I boost the volume of my Video

I have a video that I need to pass on to some of my friends but it has very low audio volume. How can I boost the audio volume in this video so that it has a similar level as my other videos? Is ...
6
votes
4answers
7k views

Resize image by largest dimension in Photoshop

I've got tens of thousands of product images that I need to resize (constraining proportions) so that the largest dimension (height or width) is 500 pixels. The images are in all kinds of sizes, some ...
2
votes
1answer
2k views

How can I use the Band Pass Filter in GarageBand?

What I want to do: I have a music WAV file and want to put a Band Pass Filter over it, to filter out annoying high frequencies. I was reading on the net that there is a "AuBandPass" plugin in Mac OS ...
1
vote
4answers
4k views

Rotate image with open office 3.2

I import a picture into an open office document from file. However, I cannot figure out how to rotate image in open office 3.2 writer. Is there any way to do that?
8
votes
7answers
36k views

Rotate a MP4 file, while preserving codec and quality attributes

I need to rotate a MP4 video by 90 degrees. There is software like Free Video Flip and Rotate available that does this but produces an AVI file. Do you have any suggestions for a software to produce ...
1
vote
1answer
440 views

What does the GEGL Operation in GIMP do?

I see it under the Tools menu, but I've never used it before. What does it do?
0
votes
2answers
2k views

How do modern smartphones compare to Apollo mission computers? [closed]

I saw an article some time ago that compared smartphones to the computers that had put mankind on the moon. I can't remember the exact comparison and I can't find an accurate comparison online, as ...
24
votes
11answers
25k views

How do I batch change the date taken information in EXIF data?

I use F-Spot to manage my images. For one set of images, the dates somehow got messed up and they all are marked as September 1st 2007. I'd like to change the date taken information to a different ...
10
votes
4answers
20k views

How to get a good clean newspaper scan?

I tried a few times to scan newspaper articles, but the images I got were always blotchy and with bad colors, sort of like this: Sometimes I see some really good scans, like this: What is the ...
6
votes
9answers
2k views

How to compress a huge amount of PNG images?

At work, on certain projects I have to manage a lot of images. Most of the time PNG files work the best for what I'm doing. With such a huge amount of images, I've tried using PNG compression with ...
3
votes
2answers
120 views

Does the more command in Windows only affect output, or command execution as well?

I am running a software build in Visual Studio 2005 on Win XP via the command line (devenv.exe /rebuild). I piped it though more and then realized I didnt want to have to baby sit it so I quit more ...
8
votes
5answers
67k views

Is there a free “AutoTune” plugin for Audacity?

I have plugged in GSnap in Audacity. How do I get the "tune" effect shown in the video Auto Tuning?
13
votes
6answers
25k views

Photoshop: Trim a photo so it contains no transparent pixels?

In Photoshop, I've put together some panorama photos using the Photomerge tool and the resulting image contains a lot of transparent pixels. Also, because it's put together of multiple photos the ...
2
votes
1answer
62 views

GPU Processing overkill?

Is there such a point where using GPU Processing or Coprocessors (such as the Intel Xeon PHI card or the Nvidia Tesla card) can actually reduce the speed of which a software computes data? Say I had ...
1
vote
4answers
379 views

Scanned JPEGs are large and slow to load - can they be optimized losslessly?

I have hundreds of JPEG photographs which were scanned about 5 years ago from negative using a Konica Minolta DiMAGE Scan Dual IV. The dimensions are ~4500x3000, and the filesize is around 12Mb, ...
4
votes
6answers
672 views

Windows software for creating HDR images? [closed]

What is the best software (free/paid) available for creating HDR images?
9
votes
4answers
3k views

Linux software for creating HDR images? [closed]

Is there any good sofware available for linux for creating HDR images?
2
votes
1answer
5k views

How can I create real-time audio effects on PC?

Does anyone know how I can create an echo effect in real-time while singing on PC. Lets say I want to sing to an audience over IM and I want an echo/delay effect while I sing. Is there any software ...
2
votes
3answers
539 views

How do I batch process RAW images based on EXIF data in Photoshop?

I use Photoshop to batch convert my RAW files to JPG. With my particular camera lens, if I open the aperture all the way to F1.7, there is noticeable vignetting; images where the aperture is stopped ...
1
vote
1answer
78 views

How to deal with user uploaded images [closed]

I'm using Restlet as backend trying to create a small web app. I am allowing users to upload their profile images, but not sure where to store them. Google tells me to store it in the file system and ...
1
vote
3answers
1k views

Can I use an iPad 3 as a wireless monitor? [duplicate]

I need a high-resolution monitor for multi-monitoring applications, but I don't have much room for a big TV. I had the idea of buying an iPad3 (2048x1536!) instead and sending the screen of a Windows ...
1
vote
2answers
155 views

Improving the quality of badly recorded sound files

I have an audio file with a very bad recording (recording was made in very noisy conditions, at a conference). My recorder was too far from the speakers. Do you have any idea about how to improve ...
5
votes
9answers
738 views

Software for handling camera RAW-files [closed]

I use a digital SLR as most other photographers do today and have quickly realised that capturing images using camera-RAW files is the way to go. Personally I use Adobe Lightroom to handle my photo ...
1
vote
2answers
337 views

Processors cores over processor speed [closed]

Dual 5520 Quad-Core Xeon 2.26GHz with HT & Turbo(2.53 GHz) -vs- Single Quad-Core E3-1240v2 (3.4 GHz to 3.8 GHz) I run web hosting. I'm just wondering which would be more ideal. Personally, I am ...
0
votes
2answers
718 views

Why does my CPU not max out

So when I am doing something like calculating a file integrity hash, converting a video, compressing some files etc. why does my CPU not reach 100% usage, instead it happily jumps around from 0% to 15%...
6
votes
3answers
3k views

Split a Image Into Tiles

I have an image that is too large for what I am trying to do with it (I need images under 1 mega pixel). Is there an easy way to split it into several smaller images? My image is 2646x3058. I would ...
1
vote
2answers
1k views

Linux: Tool to monitor every process, execute-command, shortly, monitor what's happening at the moment [duplicate]

Possible Duplicate: How can I log all process launches in Linux Hello, due to a freeze problem of my Ubuntu 10.10 (it is not isolatable) I though about logging every executable of the kernel ...
0
votes
2answers
104 views

Feasible to assign 2 processors out of 4 to a vm running windows 7

I currently have windows 7 running on my machine. I need a second version of windows 7 to run as a virtual machine. I have 4 GBs of RAM and 4 processors. I've been doing some research and see a number ...
4
votes
1answer
397 views

Windows update using svchost.exe?

Lately I have been experiencing a lot of computers on our network being bogged down by svchost.exe. Nearly 50-100% CPU usage is associated with this process and I can't seem to figure out how to nix ...