compressing compressed video
Is it possible to noticeably compress already compressed video (DivX/MPEG)
even futher using a loseless compression program? Which programs offer the
highest compression radios in this case?
> Is it possible to noticeably compress already compressed video (DivX/MPEG)
> even futher using a loseless compression program?
Yes, but not by much if at all. The most lossless compression I have
seen of an .AVI occured because the PCM audio was uncompressed. The
only .AVIs you'll see major compression occur is when there is so much
redundant information in a frame or ...Reference Video Clips for Video Compression Testing?
Are there any raw video clips (YUV 4:2:2, preferably)
that are known stressors on video encoders (e.g., MPEG-4 ASP,
H.264, etc.)? Is there a standard set of clips used for
verification of video codecs?
Folks, I was hoping someone here can address this question. Please help
you can. I hate trying to pick something for my testing based on my own
ignorance of the subject. Any help would be appreciated.
...Video and Image Processing Blockset (Video Compression Demo of color video)
There is a demo about color video compression in Simulink in which there is something I cannot understand. Specifically, in the encoder there is a block processing block which has 7 inputs but when I double click this block I see that has 6 inputs (it does not count the IP from tag). How can we do this?
"Kostas " <email@example.com> wrote in message
> There is a demo about color video compression in Simulink in which there
> is something I cannot understand. Specifically, in the enco...Video Interactive patent digitized compressed video transmission ..
'USA Video Interactive Corp. also holds a Store-and-Forward Video-on-
Demand patent, which has been cited in approximately 206 subsequent
patents, for the transmission of video content over networks faster
than "real time"'
"A system and method for transferring video programs from a first
location to a remote location .. The program signals are digitized,
compressed .. The compressed program is reconstructed at the remote
location for viewing on available video display devices"
http://patft.usp...Re: Video Compression Players Should "Compress" Hype
I continue watch Qbit, and as expected, they are thrown in with the
People from Pixe have updated their website.
Should we expect samples soon?
> I continue watch Qbit, and as expected, they are thrown in with the
> 'hype' gang.
Looks like the Washington DC Technology Council thinks Qbit is real!
* Qbit, LLC -- Provides enabling technologies for pa...Video compression
As you all know we can Import a video in Mathematica 7 and
then explore frames for example. But, usually a video that is obtain from
the Net is in a compress form of some sort. Then frames cannot be extracted
to do some image processing. We cannot even play it in Mathematica.
My question: is it possible to uncompress a video in
Mathematica or do I have to open the video outside Mathematica in a video
player and, if possible, save it in an uncompress form?
Thanks for any help,
The vast majority of movie formats us...Video Compression
The task is to transmit the grayscale video over the ethernet in the
real time. The input stream is 8bpp, 1024x768, 25fps. The compressed
stream should be no more then ~30Mbps. The available computing power is
~300MIPS of the general purpose DSP. It is desired to preserve as much
quality as possible.
Do you know of a video compression algorithm which can fit into those
DSP and Mixed Signal Design Consultant
Vladimir Vassilevsky wrote:
> Hello All,
> The task is to transmit the grayscale video over the e...about video compression
Is video compression using wavelet transform possible in matlab and how????
What is the best way to learn how to program H.264 video compression? (MPEG-4)
...How To Compress Videos
Hi to all,
1.want to know if there is any easy way to compress videos. an
programs that are available that can provide this kinda functions s
that i can contain more clips on my new 512sd.
2. want to know how to convert rm/rmvb/wmv to other watchable format
Can any experts help?
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On Tue, 13 Sep 2005 17:20:04 -0300, <firstname.lastname@example.org> wrote:
>Hi to all,
>1.want to know if there is any easy way to compress videos. any
>programs that are available that can provide this kinda funct...JOB: Video Engineer Lead- (Video Compression Algorithm, H.264)
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Our client is a innovative and successful pre-IPO provider of new to market
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With no doubt, it is a stunning experience to enjoy the visual feast of 4K video! Considering about the conflict between the lagging device support and the rapid development of 4K technology, a majority of mainstream devices are unable to do a good job on playing 4K video, like iPad, iPhone and other Android smartphones.
Obviously, 4K video is not the ideal choice for the public at the present stage. So the best solution is to compress 4K video or downscale the resolution.
Bit rate, encoder, resolution, they are the DNA of a video file. The interaction of all of these factors plays as a ...Video compression 382602
I have 30 -images, i would like to compress them and compiling them to a video using matlab, can any body help me in this issue.
...video compression basics
I am developing an MPEG 4 Simple Profile Video (Encoder/Decoder) on
TMS320C67x. I am using the TMS320C67x DSK. I am new to Source
coding/video compression. Hence, I have several questions:
1) I do not think I will be able to develop my own Motion Estimation
Algorithm for the Encoder. It is the most MIPS demanding stuff on the
encoder. Will the one provided by MoMuSys be okay ? Or do you
recommend some other already published algorithm (freely available)
....say published in Trans. IEEE ?
3) Just like #2 above, should I use the MoMuSys algorithm(s) for Rate
Control, Error Resilience &...