Hi again, another auto-reply ;) I have found the problem. The java bindings contain an error in the pull_stripe method. The kdu_jni.cpp file has, at line...
Hi all, maybe I have found the "wrong" code in jni_builder.cpp. However I'm not sure if the solution I'm proposing is the right one. It fixes the is_signed...
Our group has been invited to participate in a research survey being conducted by Missippippi (USA) State University. If you wish to participate in this...
We are interested in using Kakadu JPEG2000 libraries for an upcoming commercial project. Some questions about limitations: 1. What's the largest JP2 file that...
Here are some answers to your questions: 1. There is no 2GB/4GB limitation, neither for source imagery, codestreams, nor the files in which codestreams are...
Dear Prof. Taubman, I used Kakadu compressed version 2.2.3 to compress bmp images in different progression orders (RLCP , LRCP, CPRL,…). I used imgcmp...
David, thanks for your answer. As you adviced me an ASP application (or ISAPI extension) forwarding requests to the Kakadu server should be a good solution for...
Hi Olivier, Not necessarily a problem to use HTTP only. Cheers, David ... From: "opaumier" <opaumier@...> To: <kakadu_jpeg2000@yahoogroups.com> Sent:...
Hi Ronak, Of course the performance will be identical, because each compressed image contains exactly the same information, just in a different order. You will...
... The Kakadu Software web site offers free for downloading binary executables for version 6.0 of the Kakadu applications for these operating systems: Mac...
David, thanks again for your answers. After sending my last message, I used a sniffer to capture the data sent between kdu_show and kdu_server, and realized...
HI,everyone. I am the new learner of Kakadu_jpeg2000.Now I am studying simple_example_c.cpp. How can the kakadu_jpeg2000 process DWT? I didn't find any classes...
The DWT is implemented within the overall software pipeline. It is not a distinct operation. The DWT is implemented by the `kdu_analysis' and `kdu_synthesis'...
Hello, My goal is to compress 1920x1080 video at 30 fps. I intend to use a 4:2:0 YCbCr color space (or 12 bpp). Currently, I'm evaluating the Kakadu software...
On a quad core system, adding -num_threads 4 to your kdu_compress command line will speed up processing by about 4 times. On Apple Mac Pro systems with 8...
Hi Jeff, Here are some answers to your questions. 1) Compressing a 1920x1620 gray-scale image will be slower (and require more bits for acceptable visual...
Hi Olivier, The establishment of the TCP channel is treated in Annex G of IS 15444-9. I attach here the three paragraphs of interest, taken from a draft...
David and Greg, Thanks for the input. I'm slowly familiarizing myself with kakadu and the samples provided. After submitting this question yesterday, I spent...
Hi, The error you are getting is because you have included spaces between the input image file names. Put them together in a single token (no spaces),...
I can not seem to figure out how to determine the highest discard level an image has in code. I would have thought you could grab it from the codestream but I...
kdu_codestream::get_min_dwt_levels() is probably what you want. I am using Kdu_region_compositor (JNI) and I do it as follows (note: I should be doing better...
Hi Nick and Ben, That is essentially the right approach. However, you should be aware that the actual minimum number of DWT levels (equivalently, max number...
Hi all, during programming an interactive client/server transmission system, I came across a problem I couldn't solve myself. However, I'm sure Kakadu provides...
Hi Rene, The client itself does not check to see if the contents that would be returned by the request are already entirely stored in the cache -- although it...
Dear friends I am using kakadu v6.0. In the client server program(kdu_show and kdu_server), how the client can request for a specific percentage(for example :...
... Hash: SHA1 ... The short answer, using the Kakadu 'convert' utility, is: kdu_compress -i source.tif -o destination.jp2 \ Creversible=yes -rate -,1,0.5,0.25...
HI Alvin, It is not completely clear to me what you are trying to do. When you say 70%, do you mean 70% of the compressed representation which the server has,...
Hi Jeff, Sorry for this very late reply. In case your question has not been answered here is the explanation. The "transpose" feature in Kakadu will produce ...
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