challenges to digital forensic evidence

... want to play about withthe midtones Trang 5‘The greatest test is to allow tones to build the image for you Pencil should bea guide only, do not rely on outlines to create three dimensions, use tones ... shades For this exercise ithelps to know that there is more to shadows than various depths of grey! Our first task involves breaking a photo down into its midtones, shadows and highlights You ... layer combines to create the final colours Then ‘we will move on to creating a sepia tonal study on pages 230-231 Trang 2Paint the scene This photo is an excellent example of a wide tonal range

Ngày tải lên: 27/02/2014, 17:50

... takes to write a manualfor MakeUseOf.com? We’re always willing tohear a pitch! Send your ideas to justinpot@makeuseof.com; you might earn up to $400 Trang 3Table of ContentsIntroduction Digital ... Conclusion MakeUseOf Trang 4together, fought together and against each anotherin nearly every thinkable combination With almost 80 years of back-story just think of the rich history to be discovered And ... are comics for all genres, comics Trang 5for all ages.Wouldn’t it be great to have access to all thosestories? To be able to read the epic tales of greatpeople having great adventures? “But comic

Ngày tải lên: 19/03/2014, 11:51

... thedarkroom and into the lightroom— where we cansee more, do more, and learn much, much more Thus, The Essential Guide to Digital Photography is for readers wanting to learn digital photography for ... that your photos are storedoff your computer, and in event of a computerfailure you can retrieve you images Resources for Photo Sharing Sites: Top 4 Photo Websites To Share One Photo produced ... meto start shooting weddings and other events on aprofessional level For me, getting paid to takephotos most certainly would not have happened ifnot for the advent of digital photography The digital

Ngày tải lên: 20/03/2014, 00:42

... Thus, ICT has enabled customers to be integrated into the supply chain, and industry to respond swiftly to their complex demands With the development of ICT, the so-called customer order decoupling ... partners and the customer Customer information is integrated into the entire value creation chain to achieve maximum customer orientation and value creation The 21 st century challenge to urban goods ... significant functions: x To allow drivers and the control centre to communicate with each other x To provide real time information on traffic conditions x To store detailed historical data of pickup/delivery

Ngày tải lên: 30/03/2014, 06:20

... have a set of tools to use to guarantee interoperability at all els To police compliance with the DCI Specification it is intend- lev-ed to set up a network of compliance laboratories There arealso ... called Colour Cube for Digital Cinema and other digital releases A colour cube is also put in the path to the grading projector to simulate the film This data file is called a Digital Source Master ... normally pro-prietary To make a digital cinema release, this Digital Source Master is further preprocessed to conform to the requirements of the DCI For example the projector resolutions are only

Ngày tải lên: 30/03/2014, 14:20

... the electric signals to a digital representation Digital photography and video are a digital representation of the light associated with physical objects Digital data can be stored on many mediums ... related to the incident Note that because digital data has a physical form, then physical evidence can contain digital evidence Using this definition, a hard disk is physical evidence and the sectors ... collection of digital evidence Also note that the difference between physical and digital evidence is in their format and has nothing to do with the type of incident Therefore, we can have digital evidence

Ngày tải lên: 30/03/2014, 16:20

... new approach to digital design became necessary Computer-aided tools are essential to designing digital circuits today What has become clear over the last decade is that today’s digital engineer ... 1,000,000 transistors on a chip by the late 1980s, 10,000,000 transistors on a chip by the mid-1990s, over 100,000,000 transistors by 2004, and up to 1,000,000,000 transistors on a chip today This ... design tools are used to both simulate the Verilog or VHDL design and to synthesize the design to actual hardware This book assumes no previous knowledge of digital design We use 30 examples to

Ngày tải lên: 06/06/2014, 00:38

... comparator associated with that level changes its output, then its corresponding digital trigger identifies the change and sends the information to the digital circuitry that controls the comparator’s ... secs 2 Perform DSA to updateL n (a) Comparators x t C C C C  Low-rate A/D Perform DSA to updateL n μ (b) Figure 3: Two methods of tracking input to implement DSA (a) All comparators are turned ... circuitry is dominated by the comparators In order to minimize power, at mostp of the 2 B comparators are on at any moment This can be accomplished by a digital circuit that regulates the power

Ngày tải lên: 22/06/2014, 01:20

... key task is to auto-mate visual-to-tactile conversion In this paper, we present a multilevel (from high-semantic level to low semantic level) and multimodal (visual-to-audio and visual-to-tactile) ... implementation in a prototype system Digital graphi-cal contents range from simple line drawings to complex continuous-tone-scale images By simple line drawings, we refer to binary graphics that ... will be attributed to either a line drawing or a continuous-tone-scale image It is relatively easy to convert a line drawing to tactile im-age (e.g., by simply mapping the lines to tactile lines)

Ngày tải lên: 22/06/2014, 06:20

... modulator (see Figures2and 3) [9,10] The discrete time integrator, quantizer, and digital-to-analog converter (DAC) in Figure 3 can be represented by the integrating amplifier, comparator, and ... The input resistor,R I, was set to a uniform random variable over the range from 666 kΩ to 1 MΩ to discourage neuron synchronization The nonlinearities near 20 kHz are related to the parasitic ... connected to many other neurons To continue the analogy, an output pulse corresponds to a bi-nary “one.” Although the amount of information that a sin-gle neuron can transmit is limited to a sinsin-gle

Ngày tải lên: 23/06/2014, 01:20

... interface to the designer which allows them to be used without requiring the designer to be expert in the details of the interface protocol • Construction of custom data types: Operator overloading ... and other storage elements are defined to exist within a single uniform address space A hardware implementation may include multiple separate memories of dif-ferent kinds as well as storage elements ... level behaviors The SC METHOD construct is used to express design functionality at a low level equivalent to RTL for synthesis SC METHOD provides a way to specify a sensitivity list that a specific

Ngày tải lên: 03/07/2014, 14:20

... process All the tools needed for library compilation to be performed by the user are included with Cynthesizer No additional tool needs to be purchased Cynthesizer also creates custom functional ... statements that the user chooses to group together Note that while the protocol can be written in-line as it is shown here, protocols are typically encapsulated into modular interface classes for ... of the module being synthesized must conform to a specified protocol in order to have the synthesized block interoperate with other blocks The protocol mandates that certain relationships between

Ngày tải lên: 03/07/2014, 14:20

... Cynthesizerincorporatesacompletedependencymanagementandprocessautoma-tion system that automatically generates needed cosimulaCynthesizerincorporatesacompletedependencymanagementandprocessautoma-tion wrappers and testbench infrastructure to automate ... described specific techniques that can be used to encapsulate synthesizable communication protocols in C++ classes for maximum reuse and techniques used to automati-cally produce well-structured RTL ... platform-based ESL synthesis system, named AutoPilotTM offered by AutoESL Design Technologies, Inc AutoPilot is based on the xPilot system originally developed at UCLA It automatically gener-ates efficient

Ngày tải lên: 03/07/2014, 14:20

... function parameters to expose the desired inputs and outputs to the external circuits AutoPilot interface synthesis is responsi-ble for converting the parameter reads and writes into the actual interface ... changes are needed only in a few places to convert the dynamic pointers to synthesizable static pointers The synthesis results are reported in Table 6.1 AutoPilot automatically generates more than 10X ... verification tools such as formal verification and simulation around Cyber during the last 10 years [3] All these tools are integrated into an IDE, where designers execute these tools upon the

Ngày tải lên: 03/07/2014, 14:20

... debugger linked to our cycle-accurate simulation and FPGA emulation tool After verifying each hardware module, the entire SoC is simulated in order to analyze the performance and/or to find inter-modules ... models which can run up to hundred times faster than RTL models Our HW-SW co-simulator [3] uses the generated cycle-accurate model for this purpose The simulator allows designers to simulate and debug ... verification tool, which is tightly linked to the behavioral synthesizer With the behavioral synthesis information the formal verification tools can handle larger circuits than usual RTL tools and

Ngày tải lên: 03/07/2014, 14:20

... mappings of atomic transactions into clocked synchronous hardware Trang 5132 R.S Nikhil• An industrial-strength synthesis tool that implements this mapping, that is, automatically transforms atomic ... transaction-based source code into RTL • Simulation tools based on atomic transactions The synthesis tool produces RTL that is competitive with hand-coded RTL, and the simulator executes an order of ... eye-opening to realize how much complexity in RTL can be attributed to atomicity concerns, even with such a small example Ultimately, atomic transactions prove their value when you scale to larger

Ngày tải lên: 03/07/2014, 14:20

... faster than the best RTL simulators This is because the simulator is capable of exploiting the semantic model of BSV, where atomic transactions are mapped into clocks, to produce significant optimizations ... Server#(memReq, memResp) toCPU; interface Client#(memReq, memResp) toMem; endinterface The cache interface contains a Server#() interface towards the CPU, and a Client#() interface towards the memory ... changes and to redesign all this control logic from scratch Because BSV’s synthesis is based on atomic semantics, this control logic is resynthesized automatically – the designer does not have to think

Ngày tải lên: 03/07/2014, 14:20

... pertaining to Digital & Multimedia Evidence Accreditation v To Ralph M “Bud” Keaton for your years of dedicated, uncompromising efforts to improve the quality of forensic laboratory services provided to ... science of digital forensics is the application of science and technology to the identification, recovery, transportation, and storage of digital evidence Digital forensics is a relatively new forensic ... into binary “0” and “1.” Binary information is stored on magnetic devices in areas called sectors A sector is the smallest physical unit that can be used to store digital information Each sector...

Ngày tải lên: 25/03/2014, 11:23

... The author, publisher, and distributors disclaim all liability and responsibility to any person or entity with respect to any loss or damage caused, or alleged to be caused, directly or indirectly, ... in personal injury or damage to property The material in this book is intended solely as a teaching aid, and is not represented to be an appropriate or safe solution to any particular problem For ... Be sure to visit the book’s website at: www.DSPguide.com The Scientist and Engineer's Guide to Digital Signal Processing Second Edition by Steven W...

Ngày tải lên: 13/09/2012, 10:21

... may have to tune each of them to correct for manufacturing tolerances, but there is no such need to test the accuracy of the wordlength in digital filters Data on digital filters can be stored on ... bandlimited signal It is this signal that is sampled and converted to a discrete-time signal and coded to a digital signal by the analog -to- digital converter (ADC) that was briefly discussed earlier in ... generated by sampling it A typical example of a digital lowpass filter is shown in Figure 1.15 The output of the digital filter is next fed to a digital -to- analog converter (DAC) as shown in Figure...

Ngày tải lên: 13/09/2012, 10:21