jpeg2000

JPEG 2000 support in C#.NET

It seems that .NET can't open JP2 (Jpeg 2000) files using the GDI library. I've searched on google but can't find any libraries or example code to do this. Anybody got any ideas? I don't really want to pay for a library to do it unless I have to.. ...

Free JPEG2000 Library or SDK for de-compression

I have written code to compress and decompress image files using a proprietary SDK for transmission from an aircraft via satellite. Unfortunately a license must be purchased for decompression as well as compression. Until now my applications have been mostly used in-house so I can keep track of the licenses and distribution. Now I need...

What is the best way to encrypt a lot of large images?

I need to encrypt a lot of large JPEG files. The pictures are very sensitive and need to only be decrypted inside my application. Because of the number and size of the images, speed is an issue. ...

Are there different JPEG2000 file formats?

I've seen JPEG2000 files with both .J2K and .JP2 extensions, and codecs which read one won't always read the other. Can someone explain why there are multiple extensions for what I thought was a single format? ...

Jp2 in WPF project

How do I display a .jp2 (JPEG 2000) in a WPF project? ...

Compressing High Resolution Satellite Images

Hi! Please advise the best way to compress satellite Image. Details Uncompressed size - 60 gb Uncompressed format - IMG 4 Bands (To be retained after compression) Preferred compression format - JPEG2000 Lossy enough to aid in Visual analysis. Thanks Monika ...

JPEG 200 (aka J2K) handling in Silverlight app - any suggestions?

I need to handle JPEG 2000 (aka J2K) images in my silverlight app. Files stored either in the DB or file system on the server. Any suggestions how to handle them on the client? The only working converter I came across was written in Java. There are some ports to J#, but most likely they are not going to work on the client. The requiremen...

read jpeg2000 files in java

I have a code using a byte[] that contains a image jpeg2000 bytes. I want show this in jLabel component howto do this? Anyone have idea or code to do? ...

JPEG-2000: Can I dynamically resize an image without resampling?

One of the nice features of JPEG 2000 is that it's easy to downres an image -- just feed out fewer bytes. Is there a similar way to scale the image, such that I could send a thumbnail using bytes in the full-size file, without resampling? ...

Jpeg 2000 and .net

I working in a activex control using .net for load it in a ie website. I need read a jpeg 2000 file but i don't want use a 3rd party dll because this will cause dependencies or embedding it make my dll very big. Anyone have idea where i can find a class .cs for embedded on my project, i need only read file, no write only read. ...

JPEG 2000 JP2: how do I discover/access the containers in the file?

I'm especially interested to find out if there's a common way to access any "multiple-size" (e.g. 2k/4k) image data which might exist. ...

Java: How to control lossless compression in JPEG 2000

I'm new to Java. I've been able to read a "raw" image file with short data, display it, and save it as a .jp2 file but the 150.000 byte file gets compressed to just over 50,000 bytes. Some years ago I used a propriatry library to in C/C++ to do this and achieved lossless compression of the same type of images in the range of 10:1. My ...

Imagemagick JPEG-2000 problem and PHP

Hi, i'm experiencing some problems with the JPEG-2000 file format and Imagemagick. First of all i needed to identify a jpf file, i couldn't get this to work after lots of tries, any idea if this is supported? I always got following error: identify -format "%m" Schutters_1.jpf error: cannot decode code stream identify: unable to dec...