However, these two solutions are just extreme examples of how work may be allocated among a server and handheld client. Depending on circumstances, solutions in between these extremes may be useful and necessary. If one limits the discussion to a typical AR system which uses a single video source for both tracking and video see-through display, the processing pipeline is composed of the following main tasks: video acquisition, tracking, application computation, rendering, display. Offloading some of these tasks to a computing server is an instance of horizontally distributed simulation, and it is established knowledge that a scalable solution (many clients, many servers etc.) requires cautious use of the available network bandwidth. Communication …show more content…
Both projects again use the method describe in Figure 4(d). Shibata's work aims at load balancing between client and server - the weaker the client, the more tasks are outsourced to a server. It can therefore vary between all situations described in Figure 4. ULTRA uses PDA-based AR to support maintenance workers, but concentrates on augmenting "snapshot" still images. In the absence of realtime tracking for infrastructure independence it performs all tasks natively (Figure 4a). In 2003 ARToolKit to the PocketPC was developed, the first fully self-contained PDA AR application. This platform was used in a peer to peer game. Möhring et al. were the first to successfully target a consumer smartphone for mobile AR. The scarce processing power of the target platform allowed only a very coarse estimation of the object's pose on the screen. Henrysson ported ARToolKit to the Symbian platform and created the first twoplayer AR game on current-generation smart phones. Summarizing these developments one can conclude that there is no ideal solution for systems with scarce processing …show more content…
The user’s or device’s pose must be measured accurately, robustly and in real-time. Most mobile phones today are equipped with built-in cameras, which naturally lend to use computer vision based approaches for tracking. Tracking fiducial markers is a common strategy to achieve robustness and computational efficiency simultaneously. The ARToolKitPlus library was developed based on the well known open source ARToolKit library. It was ported to the Windows CE environment, optimized for the mobile phone platform and heavily extended with features that support mobility, such as automatic thresholding or large amounts of markers. The very latest version of ARToolKitPlus (also known as Studierstube Tracker) is a complete redevelopment that is no longer related to ARToolKit on a source code basis and improves several outstanding issues such as
After the normalization module the request is passed on to the Protocol Validation and Analyzer module where it is matched against the semantic rules that are generated by ontological models in the knowledge base for identifying malicious content in input validation. Protocol Validation module caters to the violation of protocol specification whereas the Analyzer handles all other web application attacks. If the input content matches any of the rules the request is blocked and a log is made for the said attack. Also in protocol validation attacks, an attacker tries to send an abnormal request that does not follow the RFC 2616 (Hypertext, 2014) standards.
Detection phase After obtaining the parameters, HsMM could be used to check whether the given observation sequences of SNMP-MIB variables correspond to normal profile or bot profile by calculating their average log likelihoods. The forward-backward algorithm is used to calculate a sequence’s likelihood against a given model. ALL values of training sequences for the normal and botnet systems are computed. If the observation sequence’s ALL value lies in a particular confidence interval, then it will be considered as normal profile. Similarly confidence interval for botnets is identified.
Existing basic unit is shown in fig.2.1. As shown in fig.2.1, the basic unit consist of three dc voltage sources and five unidirectional power switches. In this structure, power switches (S_2,S_4),(S_1,S_3, S_4, S_5), and (S_1,S_2,S_3, S_5) should not be simultaneously turned on in order to protect the dc voltage sources from the short circuit. Table 2.1 shows the existing basic unit power switches turn on and off states, where the basic unit is able to generate three different voltage levels at the output that is 0, V_1+V_3, and V_1+V_2+V_3. It is important to note that the basic unit is only able to generate positive levels at the output.
Answer1: When the transmission speed of ten megabits per second, the broadcast time of nine bits / 8x106 bits / second = 1 microsecond a large solitary byte. A good bit in connection with the 200 meters during optical fiber offers a large propagation time involving 200 meters / 2x108 meters / second = 1 microsecond. And so the area associated with 500 bytes requires 501 microseconds to arrive definitely with the recipient.
For example; M = 4 bits, N = 16 bits If P(j) = 1 (Propagation); then Group(j) will be skipped X(j): m-bits of group (j) Y(j): m-bits of group (j) Cin(j): Carry in to group(j) Cout(j) = Cin(j+1): Carry out of group(j) = Carry in to next group(j+1) (j): Group(j) consisting of m-bits numbers to add Fig 5.14: Carry Skip Adder Block diagram Table 5.3: Carry out Cases Table Case Xi Yi Xi + Yi Ci+1 Comment Ci = 0 Ci = 1 1 0 0 0
*Q2 part a clear set obs 20 forvalues i=1/50 { set seed `i' gen Fx`i'=uniform() gen x`i'=-4*log(1-Fx`i') } set obs 50 forvalues i=1/50 { egen meana`i'=mean(x`i') } gen meana=. forvalues i=1/50 { replace meana=meana`i' in `i' } *Q2 part b hist meana set obs 50 forvalues i=1/50 { set seed `i' gen Fy`i'=uniform() gen y`i'=-4*log(1-Fy`i') egen meanb`i'=mean(y`i') } gen meanb=. forvalues i=1/50 { replace meanb=meanb`i' in `i' } hist meana, start(2) width(0.5) hist meanb, start(2) width(0.5) * Q2 part c *Note that the mean and standard deviation for this case would be 4 gen LHSA=4-(4/(20^.5)) gen RHSA=4+(4/(20^.5)) gen LHSB=4-(4/(50^.5))
Bell Ringer: The teacher will review the numbers (1, 8, 9, 4, 0, 5, 7, 3, 2, and 6). While teacher is reviewing the numbers, the teacher will monitor technique. The teacher will allow students complete Numeric Lessons 1-6 in Micro Type 4.2.
I clicked “New” and began. Immediately, a blank page appeared and was ready for me type in. I started working on a project for my C++ programming class. The instructions of the project seemed simple; I had to create an interface for a vending machine. To some people, this sounds difficult, but to me, its a problem waiting to be solved.
IGN: flankzz Age (Must be 14 or older): 14 Timezone: EST How active can you be: Here is a rough schedule. Monday, 4pm-10pm Tuesday, 4pm-10pm Wednesday, 4pm-10pm Thursday, 4pm-10pm Friday, 4pm-10pm Saturday, All day Sunday, All Day Here are some things I take seriously and into consideration. Screensharing: I'd say I'm pretty good at screensharing.
Part 1: Free to Download Recordable Android Screen Technology is constantly improving and makes It simpler for us to do various stuff. Capturing a moment in your life and making it a permanent memory is a beautiful thing. In the older days you needed to take your camera, make a photo and then take it to a photo store to print It, not to mention that videos could have only been recorded in low resolutions. Fortunately, it has never been easier to keep your memories than today. Every smartphone has a camera with which you can see your photo and brag to your friends in seconds and you can even use some great recordable android screen software, with which you can easily record a memory of your progress in a particular game, or make a tutorial.
AR places digital content on top of the physical world you see around you. For example, with AR you wouldn’t need a phone to view information rather it could be right here floating in front of you. C. Mixed reality: Now that we know what VR and AR is we can understand what mixed reality is. MR is simply a mix of VR and AR. What it does is allow its users to place augmented digital content within their surroundings and interact with them in real time.
Whether it’s a mundane or practical application like instructions in a piece of equipment or medical information of a patient or something more a little complex like taking situational awareness information presenting it to a soldier or to a police men, augmented reality seems to have such a great advance impact in technology and has become an important aspect of
The point tracker is a simple and old method of motion tracking which conveniently allows features to be tracked in a scene. AE offers one-point, two-point and four-point tracking- these uses all depend on what exactly it is you want to track. (Seymour, 2004) Single point tracking is used efficiently when following the movement of an object in a frame, usually due to the camera moving left, right, up or
Augmented reality is not only a solution for business but a solution for managers. It will introduce a new level of employee into the workforce and it will solve concerns regarding inefficiencies and productivity in
These changes allowed people to access several computing resources anywhere and anytime. Utilizing context information which is captured from sensors, user’s personal information, and device status is specially emphasized in mobile computing application for following reasons. First, human-computer interaction in mobile devices is more awkward than that in conventional desk-top devices. Most of handheld-sized computers such as personal digital assistants (PDA) and smartphones have small-sized display panel and pen-based input interface. A good solution to interaction problem of mobile device is Context-awareness.