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Topic: Motion JPEG

	MJPEG - Wikipedia, the free encyclopedia
		Motion JPEG (M-JPEG) is an informal name for multimedia formats where each video frame or interlaced field of a digital video sequence is separately compressed as a JPEG image.
		Unlike the video formats specified in international standards such as MPEG-2 and the format specified in the JPEG still-picture coding standard, there is no document that defines a single exact format that is universally recognized as a complete specification of "Motion JPEG" for use in all contexts.
		Motion JPEG uses intraframe coding technology that is very similar in technology to the I-frame part of video coding standards such as MPEG-1 and MPEG-2, but does not use interframe prediction.
	en.wikipedia.org /wiki/MJPEG (675 words)

	CommsDesign - An Overview of Video Compression Algorithms (Site not responding. Last check: 2007-10-10)
		JPEG consists of a minimum implementation (called a baseline system) which all implementations are required to support, and various extensions for specific applications.
		The motion vector for both color difference blocks is derived by halving the component values of the macroblock vector and truncating the magnitude parts towards zero to yield integer components.
		Motion compensation involves working with groups of pixels (16x16 macroblocks) to identify a group in the previous frame that best matches a group in the current frame, coding the difference along with a vector that describes the offset (movement) of that group.
	www.commsdesign.com /showArticle.jhtml?articleID=192200542 (5062 words)

	Demo - JPEG decoder
		The Motion JPEG Decoder application is only suitable for the extended MiniNoC platform with a shared memory node.
		JPEG Decoder application is divided in three tasks; which are mapped in three extended mMIPS nodes.
		As Motion JPEG Decoder was created from the JPEG Decoder application, it was necessary to perform some changes on the original application.
	www.es.ele.tue.nl /mininoc/doc/mjpeg_mmips.htm (511 words)

	New Page 1 (Site not responding. Last check: 2007-10-10)
		JPEG, Motion JPEG and MPEG are three well-used acronyms used to describe different types of image compression format.
		The advantage of JPEG 2000 is that the blockiness of JPEG is removed, but replaced with a more overall fuzzy picture, as can be seen in Figure 3.
		In Motion JPEG/Motion JPEG 2000 each picture in the sequence is coded as a separate unique picture resulting in the same sequence as the original one.
	www.axis.com /documentation/whitepaper/video/video_compression.htm (2364 words)

	jpeg-faq-part1
		JPEG is "lossy," meaning that the decompressed image isn't quite the same as the one you started with.
		JPEG is not going to displace GIF entirely; for some types of images, GIF is superior in image quality, file size, or both.
		JPEG has a hard time with very sharp edges: a row of pure-fl pixels adjacent to a row of pure-white pixels, for example.
	dermatology.cdlib.org /DOJvol1num1/jpeg-faq1.html (6989 words)

	Free-Codecs.com :: Download Motion JPEG Codec 3.2.4 : Motion JPEG Codec allows for high-quality, realtime Motion JPEG ...
		Motion JPEG codec is also perfect for manufacturers developing webcams, surveillance systems, and other video devices.
		The Motion JPEG format (also known as MJPEG) was made popular by older video editing boards used to digitize analog video signals (for example, from a camcorder or VCR).
		Although Motion JPEG allows high compression and good quality, the problem is that the format is not standardized.
	www.free-codecs.com /download/Motion_JPEG_Codec.htm (353 words)

	I3A - Press Releases 07/07/00 (Site not responding. Last check: 2007-10-10)
		Motion JPEG 2000 (MJP2) is therefore on schedule to become an International Standard in November of 2001.
		Motion JPEG 2000 is a standard for image sequences that leverages the powerful wavelet based JPEG 2000 Part 1 standard.
		The standard will allow one or more JPEG 2000 compressed image sequences, synchronized audio and metadata to be stored in the Motion JPEG 2000 file format (MJ2).
	www.i3a.org /pr_07_07_00.html (268 words)

	JPEG 2000 (Site not responding. Last check: 2007-10-10)
		It is targeted at managers, application software developers and end-users who want to know more about JPEG 2000 and about how (or whether) to deploy it in their own imaging workflows.
		JPEG 2000 is a new image coding system that uses state-of-the-art compression techniques based on wavelet technology.
		JPEG 2000 refers to all parts of the standard: Part 1 (the core) is now published as an International Standard, five more parts (2-6) are complete or nearly complete, and four new parts (8-11) are under development.
	www.jpeg.org /jpeg2000 (415 words)

	A Survey of Compressed Domain Processing Techniques
		JPEG is a standard for still image compression [10] that can achieve compression ratios as high as 50 to 1.
		MPEG augments JPEG with motion compensation, a form of differential encoding, and achieves compression ratios as high as 200 to 1.
		This motion compensation poses the most difficult problem for operating on MPEG data, since the motion vector may refer to a block of pixels that is not aligned on a macroblock boundary.
	www.uky.edu /~kiernan/DL/bsmith.html (3823 words)

	DataCompression.info - JPEG (Site not responding. Last check: 2007-10-10)
		JPEG is a standard method of lossy image compression based on the DCT transform.
		JPEG Cruncher is a commercial app that lets you squeeze the heck out of your images while keeping them looking as nice as possible.
		The JPEG Wizard is based around the premise that altering and processing an image at the algorithmic level instead of the visual level greatly preserves the quality of an image.
	datacompression.info /JPEG.shtml (3919 words)

	Windows XP Glossary
		JPEG trades off compression against loss; it can achieve a compression ratio of 100:1 with significant loss and possibly 20:1 with little noticeable loss.
		An enhancement to the JPEG graphics file format that gradually displays a photo—realistic picture in a Web browser, showing increasingly detailed versions of the picture until the entire file has finished downloading.
		TIFF JPEG saves more information about an image than does the lower—end JFIF (JPEG File Interchange Format), but TIFF JPEG files are limited in portability because of differences in implementation among applications.
	www.microsoft.com /windowsxp/experiences/glossary.mspx (13420 words)

	Motion JPEG on SGI Systems
		The following is a discussion of the development of Motion JPEG compression hardware and software at Silicon Graphics.
		For the O2 built-in JPEG compression hardware, the constraints are the same as Cosmo.
		To store these into a movie file, the compressed data for each field in a frame was butted together for form a field pair, and the field pair was written together as one frame into the movie file.
	lurkertech.com /lg/jpeg/jpeg.html (1687 words)

	Video/Imaging DesignLine \| Building A JPEG/Motion JPEG Security Camera (Site not responding. Last check: 2007-10-10)
		The JPEG algorithm designed for the ISG LightWise Standard Product Cameras is a streamlined version of a 5th generation design.
		The JPEG frames are stored in a circular buffer in external memory.
		Two 64 deep, programmable memories are used in the jpeg cores to enhance compression efficiency or image quality.
	www.videsignline.com /howto/160900982 (1979 words)

	JPEG - Wikipedia, the free encyclopedia
		JPEG itself specifies both the codec defining how an image is transformed into a stream of bytes, and the file format used to contain that stream.
		The file format is known as 'JPEG Interchange Format' (Often confused with the JPEG File Interchange Format), and is specified in Annex B of the standard.
		It is possible for JPEG data to be embedded in other file types, such as TIFF format images.
	en.wikipedia.org /wiki/JPEG (2319 words)

	MJPEG (Motion JPEG) Video Codec
		Bitstream encoding for video in which each frame [or field?] is compressed using the JPEG still-image compression algorithm.
		The JPEG must be YCbCr colorspace, it must be 4:2:2, and it must use basic Huffman encoding, not arithmetic or progressive.
		The underlying coding algorithms are well documented through the JPEG standards activity.
	www.digitalpreservation.gov /formats/fdd/fdd000063.shtml (384 words)

	MainConcept \| Product Tour \| Motion JPEG (Site not responding. Last check: 2007-10-10)
		Information on Motion JPEG and more can be found on our website.
		Motion JPEG and MainConcept means working with tools from professionals.
		Motion JPEG powered by MainConcept: MPG-solutions from one of the worldwide leaders in multimedia technologies.
	www.mainconcept.com /pages/motion_jpeg/start.html (675 words)

	Freeware Download: Motion Jpeg
		JPEG Lossless Rotator is easy to use and free utility.
		Motion and Logitech Sphere * Zoom with more than 500 windows video device * TV tuner support - change channels form anyhwere * Video recording - record real time videos or detected motion * Configurable caption text with optional time and date display * Control a Logitech Orbit / Sphere USB camera remotely.
		webcam application with motion detector able to send email with image attachment,you can set the detection area, set a scheduler for each day, you can limit the mail sending, sound alarm is settable, status bar on the image is present.
	www.dirfile.com /freeware/motion-jpeg.htm (2363 words)

	Motion JPEG 2000 jp2 File Format
		Discussion in the Motion Picture, Broadcasting, and Recorded Division during 2004-06 has suggested that losslessly compressed JPEG 2000 frame images would be a good encoding option for reformatted video.
		Examples of adoption in 2006 include Grass Valley's announcement of a SD/HD camcorder with a built-in JPEG 2000 codec, and BroadMotion's announcement of JPEG 2000 and Motion JPEG 2000 codecs optimized for a pair of Texas Instruments digital signal processors.
		Specialists indicate that there are no plans to develop an MXF wrapping for Motion JPEG 2000; turns of phrase that conjoin MXF and Motion JPEG 2000 are likely to mean MXF wrapping JPEG 2000 frames, i.e., MXF_JP2 (SMPTE specification 422M, as seen in DCP_1_0).
	www.digitalpreservation.gov /formats/fdd/fdd000127.shtml (1520 words)

	FPX Video Recoder
		During the recoding process entropy values are decoded bit-serial, blocks are quantized by dropping image coefficients, and the remaining entropy values are recoded as JPEG data.
		The Video Recoder is also useful in that it demonstrates the FPX hardware's capability to be used for real-time video processing applications such as developing a full JPEG image decoder and encoder.
		Virtual circuit paths are added to route JPEG data from the MMX to the one of the FPX modules on VCI 101 and control cells on VCI 35.
	www.arl.wustl.edu /projects/fpx/mmx_video_recoder (381 words)

	Motion JPEG 2000 and Wavelet-Based Coding in Video and Image Processing (ResearchIndex) (Site not responding. Last check: 2007-10-10)
		Motion JPEG 2000 and Wavelet-Based Coding in Video and Image Processing (2002)
		Abstract: by Wei Yu ADVISOR: Dr. Jason E. Fritts In this thesis we have studied the potential of Motion JPEG 2000 for video processing and compared its performance with current widely used video coding stan- dards, Motion JPEG, MPEG-2, and MPEG-4.
		Our experiments show that Motion JPEG 2000 provides high compression performance, strong error resilience, good...
	citeseer.ist.psu.edu /yu02motion.html (1222 words)

	LibJpegMmx < Motion < TWiki
		I use motion for a webcam streaming server only with 3 cam's on an old Pentium 233 MMX with 3 frames per second
		Most of cpu time is used by jpeg encoding, so i searched for a way to get more performance and found libjpeg-mmx.
		If this parameter is not passed to configure or is empty, tries to autodetect libjpeg-mmx in /usr/lib and /usr/local/lib if not found follows the old behaviour trying to find libjpeg.
	www.lavrsen.dk /twiki/bin/view/Motion/LibJpegMmx (342 words)

	Motion JPEG - MultimediaWiki
		Motion JPEG is a sub-category of motion video codecs where successive frames are encoded using the standard JPEG algorithm.
		No interframe compression is performed and the resulting encoded data generally does not achieve the same level of compression as a codec using interframe techniques.
		Plus, there are fewer legal caveats when using the open JPEG standard.
	wiki.multimedia.cx /index.php?title=MJPEG (93 words)

	Motion Jpeg Software: PatchMaker, Motion Hunter, MJ Pegger, ...
		It can determine the motion of a selected object in the scene to a subpixel precision under a specified parametric motion model.
		JPEG Recovery is a handy tool to repair corrupted JPEG picture or photo which is restored by a photo or data recovery software.
		JPEG Recovery support combining 2 JPEG pictures for recovery, just in case the original picture was split into 2 files by the photo or data recovery software.
	www.criticalfiles.com /free/motion-jpeg (650 words)

	Digital Image Resolution Guide \| IP Network Digital Video Surveillance Cameras
		Motion JPEG (M-JPEG) is a video codec where each video field is separately compressed into a JPEG image.
		The resulting quality of video compression is independent from the motion in the image which differs from MPEG video where quality often decreases when footage contains lots of movement.
		In addition, standard resolution recording is best used when archiving video for non-critical cameras, needing to conserve drive space, as well as conserve bandwidth when recording off-site to a central network storage unit.
	www.byremote.net /install/res (546 words)

	MotionWavelets Video Compression - Aware, Inc. (Site not responding. Last check: 2007-10-10)
		The combination of the MotionWavelets codec and an inexpensive video capture device is an effective alternative to costly solutions using MPEG, Motion JPEG and other hardware capture codecs.
		Key frames only: Like Motion JPEG, MotionWavelets uses only key frames, or I frames, which means that each compressed frame is independent of the others.
		Other benefits are the absence of motion artifacts in the video and a more uniform compressed data rate.
	www.aware.com /products/compression/motionwavelets.htm (863 words)

	The Lava Flow \| Motion JPEG vs Photo JPEG
		JPEG is a lossy format, and there are 2 main sources of loss when a JPEG codec is used – firstly there’s chroma downsampling and secondly there’s quantisation.
		In terms of video footage, this relates to a fields issue and is another reason why you should use MJPEG codecs for interlaced footage instead of Photo JPEG.
		Photo JPEG does not compress fields separately and downsamples chroma vertically, which can lead to field mush when used with interlaced footage.
	flow.la-va.org /?p=88 (554 words)

	TransChip Announces Motion JPEG and Auto Focus Features for its 2.0 Megapixel CMOS Imagers at CommunicAsia 2005; Strong ... (Site not responding. Last check: 2007-10-10)
		Camera modules incorporating motion JPEG compression and auto focus functionality will be ready for mass production in Q3 2005.
		TransChip pioneered the concept of fully programmable imagers with motion JPEG compression inside its CoderCam(R) TC5740 and TC5747 VGA imagers, which were introduced in 2003 and are currently used by numerous handset vendors.
		TransChip's CoderCam TC7730 is the first fully programmable 2.0 megapixel solution with integrated motion JPEG compression for the cameraphone market.
	www.findarticles.com /p/articles/mi_m0EIN/is_2005_June_14/ai_n13812079 (513 words)

	MJPEG Tools
		The tools can be used used to edit, playback and compress motion JPEG (MJPEG) AVI's captured using the xawtv package.
		Jerome Cornet has written a enhanced version of yuvfps, called yuvmotionfps, which is a framerateconverter that interpolates the frames based on the motion of the blocks, to get a smoother motion.
		The overlay is working, but it is missing the whole JPEG chipsets management.
	mjpeg.sourceforge.net (800 words)

	Best free motion jpeg downloads. PatchMaker is a high accuracy 2D motion tracking program for video compositing. Blend ...
		Motion jpeg software: Creates a movie from anything in motion, Create realistic human motion data for It'sMe, User-friendly motion detection system and more.
		With this software you can record all video activity with a programmed schedule, insert data in picture, work as a motion detector, record sound, program alerts to be trigged by events (example: send a e-mail when detects a movement), Live Stream.
		This program encodes your media files into Motion JPEG and/or CD quality PCM audio, portable video editing formats compatible with most media software applications.
	www.freedownloadmanager.org /downloads/motion_jpeg_software (600 words)

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