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0
votes
1answer
13 views

How to batch process overlaying of different images to a directory of images?

Folder1 has some images in png format and Folder2 has same number (& names) of images in png format with a watermark and transparency. I would like to overlay images from folder2 on images of ...
42
votes
5answers
54k 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 ...
0
votes
1answer
29 views

wavwrite function usage, Octave

Hey just to continue the thread would like to ask you something about wavwrite. I am trying to get a mat file (T01DATA.mat) to be played. Tryed with sound() with no actual solution; thanks to you I ...
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 ...
0
votes
4answers
3k 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?
5
votes
7answers
113k 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 ...
7
votes
7answers
28k 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 ...
0
votes
1answer
19 views

How can I align two images one of which has been warped?

Is there any software that can be used to warp two images so they can be aligned? I'm not sure, but I think is this is known as image registration or image rectification. Background I'm using Adobe ...
1
vote
1answer
416 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
0answers
9 views

Processing-related sketches running slowly after Processing crashed

Yesterday, I was working on a Processing sketch whenever I tried to run some code that resulted in Processing crashing. I do not know why, but after this happened, sketches running both in Processing ...
2
votes
6answers
9k views

How to link processing power of old computers together?

Hey all, 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 ...
0
votes
1answer
1k views

Batch Conversion of PaperPort MAX Files

I've got a library of MAX files from an old Visioneer Scanner that used ScanSoft PaperPort. I don't have the PC that I used to scan them anymore, and I don't have the CD for PaperPort. Does anyone ...
0
votes
2answers
159 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 ...
1
vote
9answers
17k 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 ...
-1
votes
1answer
34 views

Why is loading chunks of data into the cpu cache an efficient way of processing?

I know that loading instructions into the cache increases the speed of processing overall. Is the answer to the question connected to organization and speed?
19
votes
11answers
16k 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 ...
25
votes
5answers
13k 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.
0
votes
2answers
84 views

Is there a way to manually tell OS X to allocate additional resources to processing for an app?

I know that in some cases, opening up multiple instances of an app will get the job done, but I'm looking for a way to essentially tell OSX: "If I'm running a process that will take awhile, and there ...
0
votes
0answers
95 views

Any workaround for USB Camera driver issue with MATLAB Image Acquisition Toolbox

I have a USB microscope attachment camera (DCM510 by ScopeTek) which works fine in their own software and several others such as AMCap, but MATLAB is unable to read the device's supported formats when ...
8
votes
4answers
14k 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 ...
2
votes
4answers
4k 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 ...
6
votes
9answers
1k 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
66 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
63k 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?
9
votes
6answers
12k 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 ...
1
vote
7answers
9k views

Best freeware to remove redeye in images? [closed]

What is the best freeware application which can remove red eye in images?
2
votes
1answer
49 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 ...
15
votes
7answers
6k views

Software to clean up photos of whiteboards and documents?

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 ...
1
vote
4answers
332 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, ...
5
votes
6answers
520 views

Windows software for creating HDR images?

What is the best software (free/paid) available for creating HDR images?
9
votes
4answers
2k views

Linux software for creating HDR images? [closed]

Is there any good sofware available for linux for creating HDR images?
2
votes
1answer
2k 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
494 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
60 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
134 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
721 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
203 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
409 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 ...
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 ...
2
votes
4answers
2k 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 ...
0
votes
0answers
21 views

Fast Merchandise Collage Software

I need to make collage picture out of 2-3 pictures for each merchandise (product). I.e. the product overview, and in smaller part of picture the 2 smaller details. I can do this in Photoshop, but if ...
1
vote
1answer
67 views

Automatic Excel Script

I am a 6th year medical student and I'm working on my thesis. I have no experience with programming whatsoever, a friend recommended me to post my question here. I am strugling with the following ...
1
vote
3answers
403 views

Program to reduce image noise

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.
1
vote
2answers
791 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 ...
0
votes
2answers
100 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 ...
1
vote
0answers
128 views

Which is better for a digital audio workstation: More cache or clock speed? [closed]

So take the following: i7 intel quad core @ 2.3 Ghz with 6 MB L3 i7 intel quad core @ 2.9 Ghz with 3 MB L3 Which would be a better option for Audio processing such as: Recording with Pro Tools ...
4
votes
1answer
360 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 ...
10
votes
2answers
4k 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 ...
2
votes
2answers
88 views

Image filter that spits out pi [closed]

I've seen this before but I forgot what's its called. Does anyone know of software that takes a picture and spits out an image of the number pi, ie. 3.14... not the symbol? It basically kinda looks ...