Compress ppt on mac

The Astonishing Slowness of Star Formation Mordecai-Mark Mac Low Dept. of Astrophysics American Museum of Natural History.

increases, smaller regions collapse Isothermal shocks give Unless compressed regions are turbulently supported, they collapse locally despite global support Driven vs. Decaying Klessen, Heitsch, Mac Low (2000) Projected positions of sink particles from/Magnetic Pressure Thermal Pressue ML, Balsara, Avillez, Kim Next Steps Understanding molecular cloud formation –Turbulent compression vs gravitational contraction, including chemistry –Multi-scale computations including both cloud and core formation to capture/


Turbulence 14 April 2003 Astronomy G9001 - Spring 2003 Prof. Mordecai-Mark Mac Low.

s -2  P Balance pressure and advective terms: Flow no longer purely solenoidal (  v  0). –Compressible and rotational energy spectra distinct –Compressible spectrum E c (k) ~ k -2 : Fourier transform of shocks Some special cases 2D turbulence –Energy and / gravitational collapse cannot generate enough turbulence to delay further collapse beyond a free-fall time ( Klessen et al. 98, Mac Low 99 ) Spiral density waves drive shocks/hydraulic jumps that do add energy to turbulence ( Lin & Shu, Roberts/


Digital Image Processing: Revision

Digital Image Processing: Revision Brian Mac Namee Brian.MacNamee@comp.dit.ie Key Stages in Digital Image Processing Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Representation & Description Problem Domain Colour Image Processing Image Compression Key Stages in Digital Image Processing: Image Aquisition Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Images taken from Gonzalez & /


Course Website: Digital Image Processing: Introduction Brian Mac Namee

comp.dit.ie/bmacnameehttp://www.comp.dit.ie/bmacnamee Digital Image Processing: Introduction Brian Mac Namee Brian.MacNamee@comp.dit.ie 2 of 36 Introduction “One picture is worth/ Segmentation Image Acquisition Image Restoration Morphological Processing Segmentation Representation & Description Image Enhancement Object Recognition Problem Domain Colour Image Processing Image Compression Images taken from Gonzalez & Woods, Digital Image Processing (2002) 32 of 36 Key Stages in Digital Image Processing: Object/


Computers for Beginners. Agenda  Environment  Windows (Vista)  Mac (OS X)  Personalization  User Accounts - Passwords  Selective Startup (Windows)

they fit inside folders  Files and folders can be customized in a variety of different ways:  Naming  Color identification (Mac)  Etc.  Files are stored within folders  Files are the smallest element and they fit inside folders  Files and /a variety of different ways:  Naming  Color identification (Mac)  Etc. Files and Folders  Folders are a means of organizing data  There are many different types of folders:  Compressed  Burn Folder (Mac)  Uncompressed  Folders are a means of organizing data/


Business Systems Intelligence: 2. Data Preparation

Business Systems Intelligence: 2. Data Preparation Dr. Brian Mac Namee (www.comp.dit.ie/bmacnamee) Business Systems Intelligence: 2. Data Preparation And information on/ almost the same) analytical results Data Reduction Strategies Data reduction strategies include: Data cube aggregation Dimensionality reduction—remove unimportant attributes Data Compression Numerosity reduction—fit data into models Discretization and concept hierarchy generation Data Cube Aggregation The lowest level of a data cube The /


Progress on the New High Intensity Cold Neutron Spectrometer, MACS C. Broholm 1,2, T. D. Pike 1,2, P. K. Hundertmark 1,2, P. C. Brand 2, J. W. Lynn 2,

is achieved through compression. The blades have been profiled so the front blade surface assumes a circular shape in compression. Figure 5. Isometric view of the MACS cold neutron spectrometer. Shutter Collimators Variable aperture Fig. 6. top view of MACS. The detector /. Sample positioning system to rotate, translate, and tilt a large cryo- magnet. Fig. 11. The internal frame work of the MACS post sample cryo-filter system. It will cool 3× 20 filters to <77 K using a closed cycle compressor system. Fig. /


GTSTRUDL GTSTRUDL Version 28 and Future Enhancements Kenneth M.(Mac) Will CASE Center GTSUG 2004 June 2004.

GTSTRUDL GTSTRUDL Version 28 and Future Enhancements Kenneth M.(Mac) Will CASE Center GTSUG 2004 June 2004 GTSTRUDL Presentation Outline Versions 27.1 and 27/ Output Window Steel Design – Member Constraints GTSTRUDL GTSTRUDL Output Window Steel Design – Member Constraints Member constraints created using the dialog are now compressed so similar constraints are combined. Previously, user specified constraints were displayed one line per member. GTSTRUDL GTSTRUDL Output Window Steel Design New parameters/


Chapter 3 MAC (Media Address Control) Layer. Chapter 3 Outline  3.1. 802.11 碰撞議題相關研究  3.2. 802.11 MAC 機制  3.3. 802.11 節能、省電議題相關研究  3.4. 802.15.4 MAC.

 Bad performance when heavy traffic load 91 MAC protocols for WSN  Asynchronous MAC protocols  No synchronization or coordinate schedule between neighbor nodes  S-MAC,T-MAC, B-MAC, …etc  Synchronous MAC protocols  Time synchronization is achieved externally or /Randomized rotation of the cluster “base stations” or “cluster-heads” and the corresponding clusters  Local compression to reduce global communication 111 Homework Assignment - LEACH  Global time synchronization and Clustering-based TDMA /


Header Compression for Communication exceed 6LoWPAN 20091029.

and analysis Solution 1-the existing technical Solution 2-Header Compression base on binding table Problem statement and analysis(1/2) packet transportation within 6LoWPAN –Source and destination IPv6 addresses in adaptation layer header use MAC addresses, e.g. 7 octet. Reference to RFC4994 6LoWPAN/2:2 FE80::3:3:3:3 402::0/128 202::234:89 www.huawei.com FE80::7:7:7:7 64bit MAC address 16bit short address PAN ID binding ID external device binding expiration IPHC Encoding Extension 2. Node A uses16-bit short/


Podcasting 101 Por Manuel Collazo. What is Podcasting? Audio content delivered via subscription to a Mac, PC, or portable media player such as an iPod.

LE –TAPCO 6360 Dedicated MP3 recorder –Optional, but great for mobile interviews –Edirol M1 - MP3 and WAV recorder Recording Software - Mac Free/Cheap Audacity (free) QuickTime Broadcaster (free) GarageBand ($79) SoundStudio 2 ($49) Bias Deck LE ($99) Logic Express /–Bandwidth - yours and your listeners Audio Compression Compress your final recording based on: –Content (ex: music, voice) –Desired file size vs. desired quality iTunes MP3 or AAC encoder –Windows –Mac Generating your RSS RSS Enclosures can be /


August 16, 2006E. Macías (USC)0 "The Spanish digitization project and related topics". Enrique Macías Virgós University of Santiago de Compostela CMDE.

.000 pages/year 6 months:standards, coordination, contracts 12-24 months scan + pdf files + metadata 6 months: web portal August 16, 2006E. Macías (USC)58 DML-E Tiff, bitonal, lossless compression Journal_year_vol_num_art_page.tiff 600 ppi, bitonal Software correction.pdf August 16, 2006E. Macías (USC)59 Title (original), title (English), title(Spanish) Author, Journal,… Keywords (English, Spanish) UNESCO classification August 16, 2006E/


Hash and MAC Algorithms Dr. Monther Aldwairi New York Institute of Technology- Amman Campus 12/3/2009 INCS 741: Cryptography 12/3/20091Dr. Monther Aldwairi.

/20091Dr. Monther Aldwairi Hash and MAC Algorithms Hash Functions – condense arbitrary size message to fixed size – by processing message in blocks – through some compression function – either custom or block cipher based Message Authentication Code (MAC) – fixed sized authenticator for / the final state value as the resulting hash 11/8/2009Dr. Monther Aldwairi6 SHA-512 Overview SHA-512 Compression Function heart of the algorithm processing message in 1024-bit blocks consists of 80 rounds – updating a 512/


Today: -Assign Computers -Mac and Ps Overview video -Practice with macs and ps.

Ps Overview video -Practice with macs and ps Mac Intro http://www.youtube.com/watch?v=K0fUCjzFG_I Mac Hot Keys/ Short Cuts https://www.youtu be.com/watch?v=D 0yD7pmDNVshttps://www.youtu be.com// 125-300 You should work at 300 dpi Digital Image File Formats JPEG, TIFF, Raw Digital Image File Formats ****JPEG Fine: Highest quality of the compressed or glossy format. Much smaller than uncompressed TIFF***** TIFF: Largest file size, High quality, Cross platform Raw: High resolution, un-altered, un-adjusted /


Hash and MAC Functions CS427 – Computer Security.

size message to fixed size by processing message in blocks through some compression function either custom or block cipher based Message Authentication Code (MAC) fixed sized authenticator for some message to provide authentication for message /Function Whirlpool now examine the Whirlpool hash function endorsed by European NESSIE project uses modified AES internals as compression function addressing concerns on use of block ciphers seen previously with performance comparable to dedicated algorithms like SHA /


Getting into Compressed Sensing Brian Welch May 18, 2010.

File Exchange posting : http://www.mathworks.com/matlabcentral/fileexchange/25680-coordinate-descent-for- compressed-sensing http://www.mathworks.com/matlabcentral/fileexchange/25680-coordinate-descent-for- compressed-sensing Demos from Michael Lustig angio angio_simulation brain_2D phantom_denoising sheppLogan_TV sheppLogan_TV_vdSpiral thresholding Getting Lustig’s Demos to Run Installed Matlab 2010a for the Mac – available at smb://vuiis.vanderbilt.edu/software/Matlab/Matlab_R2010a/R2010a_UNIX.iso – Use/


Digital Basics Quiz Preparation. Basic Digital Image Concepts Aliasing & Anti‐aliasing Resolution Compression Raster & Vector Color mode & Image mode.

Compression Compression is used to reduce file size for storage, processing, and transmission. Images can be compressed by converting them to different file types or by adjust the compressions setting within a specific format. During compression/(2 colors) Resources https://developer.apple.com/library/mac/documentation/GraphicsIm aging/Conceptual/drawingwithquartz2d/Art/antialias.jpg https://developer.apple.com/library/mac/documentation/GraphicsIm aging/Conceptual/drawingwithquartz2d/Art/antialias.jpg https/


Wireless and Mobile Communications

selective repeat on top of UDP No congestion control over wireless [Haas97] Also use less headers over wireless Header compression Issues with Splitting E2E totally broken 2 separate connections BS maintains hard state for each connection What if MH disconnected /vary the output power. The picture here shows such an attenuated 802.11 interferer. 802.11 Receiver Path PHY MAC PHY MAC Amplifier control To RF Amplifiers AGC RF Signal ADC Analog signal Data (includes beacons) Timing Recovery Barker Correlator /


Goal Ensure integrity of messages, even in presence of

encrypting current block. An initialization vector S0 is used as a “seed” for the process. Seed can be “openly” transmitted. CBC Mode MACs Start with the all zero seed. Given a message consisting of n blocks M1,M2,…,Mn, apply CBC (using the secret key k). 0000000/. Notice: No secret key. Should be very fast to compute, yet hard to find coliding pairs (impossible if P=NP). Usually defined by: Compression function mapping n bits (e.g. 512) to m bits (e.g 160), m < n. Extending to Longer Strings h(M) Seed H/


Mobile Communications Chapter 7: Wireless LANs

terminal mobile terminal infrastructure network access point application application TCP TCP IP IP LLC LLC LLC 802.11 MAC 802.11 MAC 802.3 MAC 802.3 MAC 802.11 PHY 802.11 PHY 802.3 PHY 802.3 PHY Prof. Dr.-Ing. Jochen /of ATM based on: bit rate: constant bit rate: e.g. traditional telephone line variable bit rate: e.g. data communication, compressed video time constraints between sender and receiver: with time constraints: e.g. real-time applications, interactive voice and video without time constraints:/


Mobile Communications Chapter 7: Wireless LANs  Characteristics  IEEE 802.11  PHY  MAC  Roaming .11a, b, g, h, i …  HIPERLAN  Standards overview.

Management  channel selection, MIB Station Management  coordination of all management functions PMD PLCP MAC LLC MAC Management PHY Management MAC  access mechanisms, fragmentation, encryption MAC Management  synchronization, roaming, MIB, power management PHY DLC Station Management 802.11 /: constant bit rate: e.g. traditional telephone line variable bit rate: e.g. data communication, compressed video  time constraints between sender and receiver: with time constraints: e.g. real-time applications, /


Doc.: IEEE 802.11-12/0094r2 Submission Jan 2012 Slide 1 Authors: MAC Header Design for Small Data Packet for 802.11ah Date: 2012-01-18 Lv kaiying, ZTE.

small data packets overhead reduction is hardly applied. There could be two ways to reduce MAC overhead: —By optimizing MAC function and flow to improve MAC efficiency —By compressing MAC header We are trying to figure out an efficient way to reduce MAC header overhead with less modifications to the current MAC header format. Slide 5 doc.: IEEE 802.11-12/0094r2 Submission Jan 2012 Lv kaiying/


According to EN 6: Structuring, naming and storing files and folders Appropriate file compression techniques for the exchange of information Managing.

sorted in particular ways such as when they were created or last edited, the name or type of the file. Dashboard on Mac computers: if you have a mac computer, and there are many application or folder shortcuts you rarely if ever use, delete them! It is good to order /it slow to send if your file is too large. You can zip them which is when you can enter your documents into WinZip and compress them so that they are smaller. This is then faster to email. When you receive the email on the other side you have to/


5 Free FLV Converter for Mac If you are a fan of YouTube, there must be many YouTube videos you want to convert or edit on Mac. Commonly, videos shown.

FLV Converter can help you fix the problem. FLV files, commonly known as Flash Video files, are audio and video format that compresses media into quality files. These kinds of files are basically used for streaming content used on the internet. If you don‘t /: MP3, MKA, MP2, WAV, WMA, M4A, AC3, NSV, AMR, AIFF, AAC, FLAC, OGG, APE. All-In-One Video Converter from Mac-DVD Key features: 1. Convert videos for use with any software or Portable Players in super fast speed. 2. Extract audio from video, movies and /


1 Mobile Communications Chapter 7: Wireless LANs  Characteristics  IEEE 802.11  PHY  MAC  Roaming .11a, b, g, h, i …  HIPERLAN  Standards overview.

 channel selection, MIB Station Management  coordination of all management functions PMD PLCP MAC LLC MAC Management PHY Management MAC  access mechanisms, fragmentation, encryption MAC Management  synchronization, roaming, MIB, power management PHY DLC Station Management 10 802.11/rate: constant bit rate: e.g. traditional telephone line variable bit rate: e.g. data communication, compressed video  time constraints between sender and receiver: with time constraints: e.g. real-time applications, /


Cryptography and Network Security (CS435) Part Ten (Hash and MAC algorithms)

Round Function Whirlpool now examine the Whirlpool hash function endorsed by European NESSIE project uses modified AES internals as compression function addressing concerns on use of block ciphers seen previously with performance comparable to dedicated algorithms like SHA /does seem to need more h/w than SHA, but with better resulting performance Keyed Hash Functions as MACs want a MAC based on a hash function –because hash functions are generally faster –code for crypto hash functions widely available/


Outline Wireless introduction Wireless cellular (GSM, CDMA, UMTS, WiMAX) Wireless LANs, MAC layer Wireless Ad hoc networks – routing: proactive routing,

(PHY) layer –radio band –modulation –error control (FEC/interleaving) –frame structure –multiple access (multi-user, up/down) MAC/DLC layer –channel mapping (control/traffic) –medium access techniques –call setup –standby behavior Architecture Cellular Concept Geographical separation Capacity / path-fading) Pilot tone inserted in forward link for: –power control –coherent reference Speech activity detection Voice compression to 8 kbps (16 kbps with FEC) IS-95: 20 wideband channels, BW=1.25 MHz Third /


ESUG 2002 - DOUAI F-Script: Smalltalk Scripting for Mac OS X Philippe Mougin

special case of a more general messaging system.  A small kernel of high-level operators for object collection manipulation: Compression, Reduction, Join, Transposition, etc. (implemented as methods).  Aim was to minimize extensions needed to include query /meta-classes On-Screen selection of widgets Customizing the object browser The key-value browser (by Joerg Garbers) Using Mac OS X frameworks from F-Script [:title | |window conversionScript form button line| window := NSWindow alloc initWithContentRect/


Doc.: IEEE 802.15-99/117 Submission 11/99 Nada Golmie, NISTSlide 1 IEEE P802.15 Working Group for Wireless Personal Area Networks MAC Performance Evaluation.

Objectives The main goal of this contribution is to propose a methodology for conducting a performance evaluation of the WPAN MAC in presence of other wireless devices sharing the same air space. The motivation is to agree on an evaluation / loss doc.: IEEE 802.15-99/117 Submission 11/99 Nada Golmie, NISTSlide 13 MAC Layer Parameters Contention slot allocation Slot scheduling algorithm Timers: Flush, ACK Packet size/compression Backoff algorithm: –contention window size (max, min) doc.: IEEE 802.15-99/117/


May 23-26 Las Vegas, NV. Mirage Resort. Session ID # Mac Provisioning Best Practices Mike Stahulak – Development Engineer Bennett.

OS installer from Apple, paying attention to the dot release  Ensure you have the most up-to-date LANDESK Mac agent  Compress the NBI when transferring to a Windows machine and extract on the machine itself 88 Click to Watch the/ profiles using the Change Agent Settings  Add the action Change Agent Settings to the System Configuration step  Select the Mac Configuration Profile agent setting that contains all of the desired configuration profiles  Adjust any other desired agent setting, such as/


Three Lessons Learned Never discard information prematurely Compression can be separated from channel transmission with no loss of optimality Gaussian.

designed as Gaussian. Realities Never discard information prematurely –Use soft-decisions and sequence detectors, if complexity okay. Compression can be separated from channel transmission –For time-invariant single-user channels only. Self-interference should be / –If the self-interference is not treated as interference, then Gaussian signaling is suboptimal (by Shannon theory). MAC and Broadcast Channel Capacity User Capacity –How many users can be accommodated in the channel given performance specs./


Creating Podcasts with iLife 06 Mac Platform Dr. Janet Holland, Ph.D. Emporia State University Instructional Design & Technology.

To Preview, Select I Button, Play & Stop Buttons File>Save (Edit Later) Share>Podcast to Disk (Compress Movie) Apply for a.Mac Account 60 Days Free https://www.mac.com/WebObjects/Sig nup.woa/wa/trial?aff=consumer&cty= US Username & Login E-Mailed to You Login to/Text On All Three Pages Do not delete the listen or subscribe links when editing Before Publishing Did You Login LogIn to Your.Mac Account 30 Day Free Trial $99.00 Year File>Save (Edit Later) iWeb: Lower Left Publish Button Series of Windows Publish /


1 IR Vacuum M. Sullivan MAC Review Jan. 18-20, 2006 M. Sullivan for the Machine Advisory Committee Review January 18-20, 2006 IR Vacuum.

single ring and in collision) and looking for vacuum activity in the IR. No activity was seen. 9 IR Vacuum M. Sullivan MAC Review Jan. 18-20, 2006 NEG heating test In order to try to localize the source of the vacuum spikes we tried / see Time of this information 15:00 Tuesday 16 IR Vacuum M. Sullivan MAC Review Jan. 18-20, 2006 Q2 Bellows section Bellows are fully compressed in pictures 17 IR Vacuum M. Sullivan MAC Review Jan. 18-20, 2006 Conclusions In December we started encountering, with increasing/


04/26/2006VLSI Design & Test Seminar Series 1 Phase Delay in MAC-based Analog Functional Testing in Mixed-Signal Systems Jie Qin, Charles Stroud, and Foster.

/2006VLSI Design & Test Seminar Series 2 Outline  Motivation and Background  Built-In Self-Test Architecture  Phase Delay in the MAC-based ORA  Experimental Results  Conclusions 04/26/2006VLSI Design & Test Seminar Series 3 Motivation and Background  Why mixed-signal /DC 2 /DC 1. So the length of the arctan look-up table (LUT) can be compressed further. 04/26/2006VLSI Design & Test Seminar Series 10 Phase Delay in MAC-based ORA (cont.)  Once the phase delay is identified, the magnitude response A(  )/


1/19/06 Klystron Linearizer PEP-II MAC Review January 19, 2006 D. Van Winkle, Claudio Rivetta, Dmitry Teytelman, John Fox, Themistoklis Mastorides, Jim.

need more measurement validation. A key contributor to these growth rates has been shown to be Klystron Saturation (as presented at previous MAC). 1/19/06 Simulation Results This output from the time domain non-linear simulation shows the effect of klystron saturation on growth /swing However, if we go “over the top”, the feedback sign flips! 1/19/06 Small Signal Gain Small signal gain compression changes are also a function of drive set point. 10 W 20 W 1/19/06 Implications Need to measure small signal /


Outline Wireless introduction Wireless cellular (GSM, CDMA, 3G, 4G) Wireless LANs, MAC layer Wireless Ad hoc networks – routing: proactive routing, on-demand.

(PHY) layer –radio band –modulation –error control (FEC/interleaving) –frame structure –multiple access (multi-user, up/down) MAC/DLC layer –channel mapping (control/traffic) –medium access techniques –call setup –standby behavior Architecture Cellular Concept Geographical separation Capacity / path-fading) Pilot tone inserted in forward link for: –power control –coherent reference Speech activity detection Voice compression to 8 kbps (16 kbps with FEC) IS-95: 20 wideband channels, BW=1.25 MHz Third /


GTSTRUDL GTSTRUDL Upcoming Version 32 Release and Future Enhancements Dr. Kenneth M.(Mac) Will GTSUG 2011 June 2011 Delray Beach, Florida.

GTSTRUDL GTSTRUDL Upcoming Version 32 Release and Future Enhancements Dr. Kenneth M.(Mac) Will GTSUG 2011 June 2011 Delray Beach, Florida GTSTRUDL Presentation Outline Status of Version 32 New Features in /adding soil springs to an entire slab on one level much simpler. GTSTRUDL General (continued) 2) Added a NO SUPPORT CHECK option to the COMPRESSION ONLY nonlinear springs capability. NLS elements will be added to the model without regard to the current support status of the involved joints as opposed /


Necessary Information Required compressive strength at 28days: 30 Mpa Type of structure: mass concrete, beam, column. Maximum size of aggregate: 20 mm.

mm), No.16 (1.18 mm), No.8 (2.36 mm), and No.4 (4.75 mm) Step 1 Estimate w/c based on required 28 days compressive strength 0.54 30 MPa = 4350 psi w/c = 0.54 1. Step 2 Obtain slump value based on types of construction 75 – 100 mm 2. Step/ of CA Step 9 Calculate net weight of water based on FA and CA and their moisture absorptions Net weight of water Net W = W – FAx(MAf) – CAx(MAc) Net W = 195 – 792(0.015) – 1008(0.02) = 163 kg/m 3 Step 10 Adjust the concrete ingredient contents Cement = 360 kg/m 3 Fine/


Peter Spiller MAC meeting 10.10.2011 Time Schedule SIS100 1.

.  Contracting of series production, including pre-series module for testing  Procurement strategy very similar to my last MAC presentation.  Production rate had to be increased to one unit per week (probably 2 shifts production). Cryomagnetic Units/ Rf Systems - Substructure Devices needed for SIS100 commissioning:  Acceleration Systems (critical) (14 units)  Bunch Compression Systems (critical) (9 units) Devices with potential delayed installation and commissioning:  Barrier Bucket Systems (2 units/


Magnetic Fields and MHD 17 February 2003 (snow permitting) Astronomy G9001 - Spring 2003 Prof. Mordecai-Mark Mac Low.

and MHD 17 February 2003 (snow permitting) Astronomy G9001 - Spring 2003 Prof. Mordecai-Mark Mac Low MHD Approximation Maxwell’s Equations in a gas Mestel, Stellar Magnetism The displacement current vanishes / J-shock If v Ai > v s >c sn then ions see continuous compression by magnetic precursor Neutrals dragged by ions into continuous compression: C- shock (Mullan 1971, Draine 1980) Smith & Mac Low 1997 Nonlinear Development Mac Low & Smith 1997 time Log ρ Current Sheet Formation Brandenburg & Zweibel (1994/


Flowspace revisited OpenFlow Basics Flow Table Entries Switch Port MAC src MAC dst Eth type VLAN ID IP Src IP Dst IP Prot L4 sport L4 dport Rule Action.

fields to match Packet + byte counters 3 VLAN pcp IP ToS Examples Switching * Switch Port MAC src MAC dst Eth type VLAN ID IP Src IP Dst IP Prot TCP sport TCP dport Action * 00:1f:.. *******port6 Flow/. – Periodically check switches in a network (garbage collection). – Defragmentation: Merge rules when possible – Clean up: Remove unused rules – Compress: Create aggregate more compact rules – Other sanity checks 15 Monitoring Radar Implement a monitoring radar – Use OpenFlow for measurements – Scan the /


Hash and MAC Algorithms

= final message digest value SUM32= Addition module 232 performed separatedly on each pair of words of the two inputs. MD5 Algorithm – compression function Each round consists of a sequence of 16 steps operating on the register buffer (A,B,C,D) Each step is has /not require large program-code or substitution tables. Comparision of RIPEMF-160, SHA-1 and MD5 HMAC HMAC is a MAC derived from a cryptographically safe hash-function hash fuctions (MD5, SHA-1) execute faster in software than symmetric block ciphers/


Wrap-up Myungchul Kim Ch 5. MAC in WMNs Myungchul Kim

channel access (EDCA) A polling mechanism called HCF controlled channel access (HCCA): central control Conventional wireless MAC protocols IEEE 802.11e MAC protocol –EDCA: enhance the original DCF by providing prioritized medium access based on different traffic classes, /the raw bandwidth of the channel 14 –Reducing the overhead Aggregation (Fig 12) -> increase packet delay Header compression –Fig 12 Toward an Improvement of H.264 Video Transmission over IEEE 802.11e through a Cross-Layer Architecture /


Conceptual design and performance of high throughput cold spectrometer : MACS Why MACS Layout and key elements Performance Data collection Scientific program.

MACS Design by C. Brocker, C. Wrenn, and M. Murbach NSF/NIST 10/19/00 Bragg focusing Source Sample Rowland Circle Focusing Monochromator Focusing Monochromator NSF/NIST 10/19/00 Doubly Focusing Monochromator Design by Stephen Smee, G. Scharfstein et al. NSF/NIST 10/19/00 Blade profile chosen so blades form arc when compressed/ Nucl. Instr. Meth. A 369 169-179 (1996) NSF/NIST 10/19/00 Monte Carlo Simulation of MACS Y. Qiu and C. Broholm to be published (2000) NSF/NIST 10/19/00 Resolution: Analytical and Monte/


MAC-Mold Base, Inc. Your Custom Mold Base and Special Machining Source ISO 9001-2008 CERTIFIED • 14921 32 Mile Road • • Romeo, MI 48065 • • 586-752-1956.

macmold.com caddata@macmold.com About Mac-Mold Base, Inc. Mac-Mold Base, Inc. specializes in the manufacture of small to large custom mold bases for the plastic injection, die cast, special machine tools, complete compression tooling builds, weldments and fabricating /guarantee precise, accurate, and quick custom machining. Precision Machining With our large capacity CNC machining centers, Mac-Mold can precisely machine all of your tight tolerance projects. Surface Contouring Abrasive Waterjet Cutting We are/


Cgmb 324: multimedia system design

discuss both Spatial and Temporal Redundancy Removal -- Intra-frame and Inter-frame coding. Video Compression Video compression deals with the compression of visual video data. Video compression is necessary for efficient coding of video data in video file formats and streaming video formats/10 - adopted into a number of company products, including for example the PlayStation Portable, the Nero Digital product suite, Mac OS X v10.4, as well as HD-DVD/Blu-Ray. Common Video codec DivX, XviD and 3ivx: Video /


Data Compression for PDS4 Lisa Gaddis, Sue LaVoie, Jeff Anderson, Elizabeth Rye PDS Imaging Node March 26, 2010.

the HiRISE archive would be 5% smaller gzip EDRs Convert RDRs to raw, then gzip Imaging NodeData Compression 12 Recommendation Allow file-based compression (such as gzip, bzip2) in PDS4 –Stable, free, widely used open-source software tool –Works on a variety of common computer platforms Macs, PCs, Solaris, MSDOS, VAX, etc. –Maintained by open-source community Consistent with PDS3 history, PDS4 plans/


Creating Podcasts with iLife 06 Mac Platform Dr. Janet Holland, Ph.D. Emporia State University Instructional Design & Technology.

, Select I Button, Play & Stop Buttons 1. File>Save As (To Edit Later) 2. Share>Export (Compress Movie) 3. Apple>System Preferences,.Mac, Name, Password, Return Key 4. File>Share>Send to iWeb iWeb: Podcast Website Launch iWeb: Select Template, /podcasting/create.html Locate: http://learninginhand.com/podcasting/find.htmlhttp://learninginhand.com/podcasting/find.html Recording: GarageBand (Mac) Audacity (PC) AIFF or MP3 http://audacity.sourceforge.net/http://audacity.sourceforge.net/ Audacity Tutorial http:///


Using Polynomial Approximation as Compression and Aggregation Technique in Wireless Sensor Networks Bouabdellah KECHAR Oran University.

Objective (1) Sensor stack Sensor Layer Physical Layer Sensor Channel Network stack Compression & aggregation Transport Layer Multihop Routing Protocol WSN-MAC Layer Transceiver Unit Wireless Channel Temperature, relative humidity, wind speed, … (/ method ? Approach based on the theorem of Stone-Weierstrass (theory of approximation of functions)  Compression Protocol based on calculation of correlation coefficients between polynomials  Local aggregation Validation method ? Simulation using Matlab/


1 ECMA-387/ISO/IEC/13156: High Rate 60GHz PHY, MAC and HDMI PAL March 2008 Ecma/TC48/2009/006 (supersedes 2008/033)

Considered bottom end device Cheap PHY implementation Limited EIRP/range with Non-Trainable Antennas 4 1.2Applications 1.Wireless Uncompressed / Lightly Compressed Video 10 meters 1 to 5 Gbps Obscured LOS / Strong NLOS Reflection 2.Wireless Docking Station 1 meter 1 to 5/TB = Type B Device TC = Type C Device Max ~1 meter Max ~3.2 Gbps 26 3.6Other features The MAC protocol also supports … Transmit power control Out of band control channel Dynamic relay transmission for blocked links 27 4HDMI PAL Wireless HDMI/


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