Hello Kiran, I wonder now if you really should devide by the factor of 1.5. Kdu_compress -usage fives this definition for "rate" term: "One or more bit-rates,...
I'm trying to get an image out of a CIELab colour space JPEG2000 file. However, the conversion to RGB shown in kdu_show doesn't appear to work correctly (i.e....
HI Steve, I just returned from some extensive travelling. I hope to be able to release a new version of Kakadu by the end of this month. It will contain some...
Hi Nikhil, Certainly, it is possible to save the output in this format. The processes of interpolation and colour conversion are part of the higher level ...
Hi Vicente, I think you have misunderstood the role played by data-bins in JPIP. The data-bins do not have anything to do with the original order of packets in...
hi, all. I tried to run server and show in my pc. But why the connection was always stopped before the show client received the whole image(jp2)? And the...
These are common questions to this group, to which you can find a number of previously posted answers. For a number of good reasons, the "kdu_server"...
I am new to Kakadu and am using the region decompressor as shown in the "kdu_render" sample to get a windows bmp image of size 720*240. (this was the...
The "kdu_render" example is based upon the `kdu_region_decompressor' object which represents a higher level API for rendering image regions than the lower...
Hi David, The problem is that I have not looked into the Kakadu Code as I do not have one. I am developing a Decoder on an Embedded platform which supports a...
... file. ... An example file has been uploaded to the Files section called "JP2_LAB_Mike.jp2" note how the RGB and CMYK appear in the wrong colour but do...
My decompressed image is of size 720*240. I would like to get an image of size 360*240 using kdu_region_compositor - ie, I need to be able to specify different...
Hi Sumathi, Perhaps the key issue here is that the core Kakadu system will not selectively discard subbands only in one orientation so as to reconstruct the...
Hi Mike, I took a look at your image and found the source of the problem. There were, in fact a few separate bugs which I found, but the one chiefly...
Hello Group, I have generated some .jp2 file using other demo software and i tried to open it with Jasper, Kakadu and Lurawave ... My results .. Japser .....
Hi, Is there a way I can make request that just returns association boxes (or any box) and their sub-boxes? How would I make this query? Thanks, Matt...
Hi JP, Your statements are all correct. However, the conclusion concerning LRCP progression order might be a little misleading. The server can build its own...
Hi Matt, Yes, you certainly can do this. Here is an example URL you can use to test the functionality with the Kakadu client/server implementation: ...
Hi Aditya, I took a closer look at your files. They contain a JP2 header, which is almost certainly illegal. Specifically, your files contain only one image...
Thank you for your great explaination Dr. Taubman. I was also wondering if there is a way to address a specific box. For instance, can I request a specific XML...
JP2 fans, Is there a good way to read a file and quickly check if in fact it is a legal JP2/JPX/j2c file? I don't want to just assume that whatever extension...
Hi Brendan, To perform a "magic number" type check, look at the first 12 bytes (the JPEG 2000 signature box) and verify that those bytes have the value 0x0000...
Hi Matt, You can narrow the "metareq" request to boxes contained in a particular data-bin, via the R<id> extension. Kakadu supports this. To use this...
Hi Brendan, Certainly. A raw code-stream starts with the 2-byte SOC code, while all JP2-family files commence with a common 4-byte signature (the signature...
All, We're reading codestreams in persistant mode since we need random access to different areas of the image (possibly more than once). We've noticed that...
Hi Jason, Your question is a very timely one. I am getting near to releasing a new version (probably within a week) of Kakadu which includes quite a few...
Hi, I was wondering if anyone ever had success doing a static build of v4_2_1 on linux. Although the libs and apps (such as kdu_expand) build without error, I...
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