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Technical Discussions related to Image Processing (image coding, compression, digital effects, mpeg, etc)
Search Results for "mpeg"
MPEG-1/2 compatibility [4 Articles]
Federico Sambilay - Feb 16 2004
Hi!
Can an output of an MPEG-1 (audio/video) encoder be
decoded correctly by an MPEG-2 decoder?
Thanks!
__________________________________
... 
Problem reading MPEG Files [2 Articles]
"Sudeep. S" - May 14 2007
Hi,
I downloaded the required MEX files (from mathworks.com) and created the DLL to read MPEG videos in MATLAB. Some videos are being read, but it fails for others, saying that ... where can i download some error concealment source code for MPEG-4/MPEG-2? [2 Articles]
eagle_jyjh - Aug 24 2003
hi all,
i want to add error concealment features to my mpeg-4/mpeg-2 decoder,
so i want to download some source code for reference.
where are there such source co... Internal Structure of an MPEG Frame [2 Articles]
ambi...@yahoo.co.in - Mar 9 2010
Hi,
I want to know the internal structure of an MPEG frame.I am doing my project on "motion detection in the compressed domain".So my first step of the project is to parse the MPE... MPEG-2 Quantizers
adit...@gmail.com - Apr 3 2008
Hi all,
Can anyone please tell me how many quantizers are used for DCT quantization in MPEG-2?
Thanks a lot.
-Aditya
... MPEG 4 Video Decoder Comformance Criteria
shat...@wipro.com - Aug 1 2005
Hi Friends,
- Does anyone know what is the conformance criteria for an MPEG 4 Video Decoder?
- What is a sprite ?
Thanks in Advance,
Shathiesh Rao S J ... MPEG-4 profiles and levels
- Jun 18 2001
Hello all
I m working on MPEG-4 encoder. Currently Im looking at profiles and
levels. I m interested in getting a detail of three levels in visual
simple profile,... Quarter pel interpolation MPEG-4
Ravi_Biju - Jan 8 2002
Hi All,
Could any one explain in detail how the quarter pel interpolation
is done in MPEG-4 ?
Rgds,
-biju
... MPEG-4 Video verification bitstreams
Mohit Chauhan - Oct 15 2001
Hi,
Can anybody help me get the sample bitstreams for the
MPEG-4 video decoder (Simple profile only). Please
tell me the site wherefrom i can download the samp... Size of macroblock in MPEG
ambi...@yahoo.co.in - Mar 15 2010
Hi all,
I have a doubt regarding the size of macro block in compressed video namely MPEG-4. Will the size of macro block vary within the compressed domain.In a paper,I have read t... MPEG-4 Motion Compensation [2 Articles]
Federico Sambilay - Feb 16 2004
Hi!
During MPEG Motion Compensation, why must the
"reconstructed" (the one that pass through DCT,
Quantization...) previous frame be used for prediction
inst... How to Read video MATLAB
prat...@gmail.com - Jul 13 2006
hi,
i'm using MATLAB tool for signal processing.
I want to read video (.mpeg, .dat) file in MATLAB but i couldn't find any function.
for .avi file function is given but not ... Re: question about GOPS..??.
Yair Hougui - May 30 2003
Khubaib ,
A GOP is a sequence of frames where the first frame is an Intra frame
and the last frame is a Inter frame.
The frame that follows the last Inte... Re: MPEG4 -Video Test Bitstream
Atanu Guchhait - Jan 17 2001
hi,
u can cheeck the site www.cipr.rpi.edu for raw frames and mpeg bit stream
lins are available from their sites.
regards
atanu
-----------------------------... Viewing Y pixel file as an image....??..
khabi_uet - Nov 7 2002
Hello dear members..
I am a final year student of electrical engg...i am doing a HW design
project on the motion estimation archietctures. For the purpose of
simu... MPEG-4 video doubts
Manjunath R - Jun 22 2001
hi friends,
we are working on a MPEG_4 codec simple profile level 3. We have the following
doubts:
1. In case of SP@L3 for rectangular VOP's, we are not decodi... Re: Real time video compression and wireless transmission
tony...@yahoo.com - May 9 2008
Let me be a little more specific about what I'm doing. The project is open-ended but most of the cameras I've considered are low resolution digital CMOS imagers ranging from less t... Error recovery and concealment
Arvind Raman - Sep 28 2001
Hi there,
Well I guess the dsp group has been idle for quite
some time, so I thought I would post a nice little
question to u guys so as to keep this group alive.... IMG_LIB MPEG 2 VLD
mosh...@imagine-com.com - Apr 10 2007
I have a question regarding Mpeg2 VLD function of the TI IMG_LIB.
The API of the intra function is:
void IMG_mpeg2_vld_intra_
(
const short *RESTRICT Wptr, // q... Re: MPEG4 related questions
Atanu Guchhiat - Apr 24 2001
hi, this may help you
Necessity of FGS:
The objective of FGS is to get optimized video quality over network at a
given rate. We can get optimized video qual... RE: Size of the macro block in DCT [4 Articles]
Nalin Pithwa - Aug 21 2004
Hi,
It is most probably due to the following reason: We know that motion
compensation is used in MPEG 4 and H.263/H.264. For instance, the energy in
the residu... Re: Looking for YUV data and COmpressed Bit stream
Ramkishor Korada - May 6 2002
Hi,
You can get YUV sequences from this site
http://kbs.cs.tu-berlin.de/~stewe/vceg/sequences.htm#vqeg
Look for resources pointers in www.m4if.org You can ... How do I test MPEG4 bitstream
Deepak Chandra - Apr 27 2001
I'm working on an mpeg4 encoder . To test the output of my encodet i want to
play it . All I could figure out is that I will have to make an AVI file out
of it. Is ...