lundi 2 décembre 2019

Deep Learning: Things You Didn't Know You Didn't Know

Deep Learning: Things You Didn't Know You Didn't Know





ever wondered how google translates an entire webpage to a different language in a matter of seconds or your phone gallery groups images based on their location all of this is a product of deep learning. 

but what exactly is deep learning deep learning is a subset of machine learning which in turn is a subset of artificial intelligence artificial intelligence is a technique that enables a machine to mimic human behavior machine learning is a technique to achieve AI through algorithms trained with data .



Deep Learning




and finally deep learning is a type of machine learning inspired by the structure of the human brain in terms of deep learning this structure is called an artificial neural network let's
understand deep learning better and how it's different from machine learning say we create a machine that could differentiate between tomatoes and cherries if done using machine learning.


we'd have to tell the Machine the features based on which the two can be differentiated these features could be the size and the type of stem on them with deep learning on the other hand the features are picked out by the neural network without human intervention of
course that kind of independence comes at the cost of having a much higher volume of data to train our machine now let's dive into the working of neural.networks here we have three students each of them write down the digit nine on a piece of paper notably they don't all write it identically the human brain can easily recognize the digits but what if a computer had to recognize them.

that's where deep learning comes in here's a neural network trained to identify handwritten digits each number is present as an image of 28 times 28 pixels now that amounts to a total of 784 pixels neurons the core entity of a neural network is where the informat processing takes place each of the 784 pixels is fed to a neuron in the first layer of our neural network this forms the input layer on the other end we have the output layer with each neuron representing a digit with the hidden layers existing between them the information is trans



from one layer to another over connecting channels each of these has a value attached to it and hence is called a weighted Channel all neurons have a unique number associated with it called bias this bias is added to the weighted sum of inputs reaching the neuron which is then applied to a function known as the activation function the result of the activation function determines if the neuron gets activated every activated neuron passes on information to the following layers this continues up till the second last layer the one neuron activated in the output layer corresponds to the input digit the weights and bias are continuously adjusted to produce a well-trained network so where is deep learning applied in customer support when most people converse with customer support agents the conversation seems so real they don't even realize that it's actually a bot on the other side in medical care neural networks detect cancer cells and analyze MRI images to give detailed results self-driving cars what seem like science fiction is now a reality Apple Tesla and Nissan are onlya few of the companies working on self-driving cars so deep learning has a vast scope but it too faces some limitations the first as we discussed


earlier is data while deep learning is the most efficient way to deal with unstructured data a neural network requires a massive volume of data to Train let's assume we always have access to the necessary amount of data processing this is not within the capability of every machine and that brings us to our second limitation computational power training and neural network requires graphical processing units which have thousands of course as
compared to CPUs and GPUs are of course more expensive and finally we come down


to training time deep neural networks take hours or even months to train the time increases with the amount of data and number of layers in the network so herea short quiz for you arrange the following statements in order to describe the working of a neural network
a the bias is added be the weighted sum of the inputs is calculated see specific
neuron is activated D the result is fed to an activation function   popular deep learning frameworks include tensorflow


high torch caris deep learning Forge a bcafe and Microsoft cognitive toolkit considering the future predictions for deep learning and AI we seem to have only scratched the surface in fact horse technology is working on a device for the blind that uses deep learning with computer vision to describe the world to the users replicating the human mind at the entirety may be not just an episode of science fiction or too long the future is indeed full of surprises and that is deep learning

How to Add the Fingerprint Lock on WhatsApp Messenger (new feature)






WhatsApp Messenger orderly make new features to its Android and ios chat apps.One of Android's new features recently added is the ability to add a fingerprint lock to WhatsApp Messenger.




This means you can't access WhatsApp chats without unlocking the app with a phone-saved fingerprint.Of course, you need a smartphone with a fingerprint sensor for this to work andFingerprint lock feature on WhatsApp for Android works with phones that have a capacitive fingerprint sensor, and those that have an in-display fingerprint sensor.In this topic, we will know how to add a lock fingerprint to WhatsApp on Android devices.Now, this feature has been available on WhatsApp for iPhone since February this year, and it first appeared in a beta build for WhatsApp's Android users back in August.Here's how to set up WhatsApp fingerprint lock on your Android smartphone.



Fingerprint Lock on WhatsApp Messenger




How to set up fingerprint lock on WhatsApp for Android


prior proceeding, make certain you have installed WhatsApp App v 2.19.221 or later by heading over to the WhatsApp page on Google Play store . Once that is done, merely follow these steps to secure your WhatsApp chats on Android with fingerprint authentication.









STEP 1:
 Open WhatsApp > tap the vertical three dots icon on the top-right and go to Settings.
STEP 2:
Go to Account > Privacy > Fingerprint Lock.

STEP 3:
On the next screen, turn on Unlock with Fingerprint.

STEP 3:
additionally or alternatively, you can also set the duration after which you'll have to use your fingerprint to unlock WhatsApp. It can be set to ImmediatelyAfter a minute or After 30 minutes.
STEP 4:
Further, you can also choose if you want to show the message content and sender in the notifications or not.
Now anytime you open WhatsApp, depending on the automatic lock duration you've set, you will need to apply your fingerprint to unlock the app. And that's how you can set WhatsApp fingerprint lock on your Android smartphone.
such as Android, WhatsApp also let you to  biometric lock feature on iPhone. While the iPhone models that support Face ID can use facial recognition to ensure that chat messages, the iPhone models with Touch ID can use fingerprint lock. The biometric authentication can be enabled by going to WhatsApp Settings > Account > Privacy > Screen lock.   

dimanche 1 décembre 2019

What is IIoT? Discover the power of the Industrial Internet of Things (iioT)



What is IIoT?

IIoT is short for Industrial Internet of Things. In the broad strokes, it’s the application of instrumentation and connected sensors and other devices to machinery and vehicles in the transport, energy and industrial sectors.






What that means in practice varies widely.

One IIoT system could be as simple as a connected rat trap that texts home to say that it’s
been activated, while another might be as complicated as a fully automated mass production
line that tracks maintenance, productivity and even ordering and shipping information across a huge, multi-layered network.



iiot





Other examples can range from things like soil sensors in a connected agriculture setup
relaying nutrient and moisture data to a central hub for mapping and planning, to a production
line full of robots sending detailed information about automobile production and warning an
operator when important components are showing signs of wear and tear.


Automotive fleet management, manufacturing and the energy sector are probably the biggest
users of IIoT technology at this point, but retail and healthcare are seeing rapid growth
- retailers like the ability to track customers in their stores and deliver location-relevant
content (read: advertisements) in a targeted way, while healthcare providers can make sure
imaging and data from items like CT scanners and digital charts can move around freely.
Technologically, IIoT works on similar principals to any other piece of IoT tech – automated
instrumentation and reporting being applied to stuff that didn’t have those capabilities
before.


That said, the scale of it is much different than a simple system that lets you mess with
your thermostat on your phone – hundreds, perhaps thousands or even tens and hundreds
of thousands of individual endpoints can be present in an IIoT deployment.
There are still definite issues around IIoT that need to be solved – making the best
use of all the data that an IIoT setup can generate isn’t simple, and requirements
for device service life and reliability are frequently stiff.


And just like consumer IoT, IIoT has a lot of security issues.


By now, everyone’s heard of the Mirai botnet, which leveraged poorly secured security cameras
and other gadgets into a huge DDoS weapon.
Even beyond that, there’s also the issue that those devices can allow access to valuable
data already on your network – yet another attack vector.

samedi 30 novembre 2019

What is a VPN and How Does it Work? ssl vpn

What is a VPN and How Does it Work? ssl vpn




you have probably heard of vpn it is even possible that you in have already been using that said do you know what they serve vpn means network virtual private.





it is software that ensures your online privacy originally the vpn security is used that in the professional setting when large companies organizations or government wanted to secure their data as people work remotely and had need to connect to the internet.




ssl vpn








it was necessary that the companies provide a secure connection without what they were at the mercy of hacking or other data loss nowadays everyone uses a ssl vpn and especially because is guaranteed and ensures our confidentiality data encryption as well as our anonymity online but how
works a vpn take a step back to understand how does the internet work.


when you visit a website such that facebook you enter a name of field  this domain is basically a nickname which replaces the ip address of the site web but ip address being like your address but instead of being made of a name of happy she contains numbers as it is much easier to get remember a name rather than a series of numbers we give a name of domain to every website and a server translates your computer also to a IP adress


ssl vpn




as are all the devices they surf the internet when you enter a domain name on your browser that you use chrome firefox or internet explorer you send your data on the internet until she finds a server thisserver will then translate the data and you are returning the website you have request the problem is that when you send these data to the server you send him your ip address as well as a lot other children it's at this point that hackers can intercept your information imagine that you are enough in a
coffee and you use a wifi network public on your phone.


to check your bank account another person using a laptop can easily get connect to the network and seize your Passwords email and any other information which you have, however, if you use a browser vpn nobody will be able to access this data the websites you visit may folder collect your information
but when they do it is usually to study their demographic segment this is rarely a problem but may that sometimes where you protect them your identity and your privacy from then on we could ask ourselves how a vpn network can protect the confidentiality when you send information in
line in bpm create a tunnel that encrypt your information 


browser vpn



so that's somebody's part of your data he will not be able to read them the tunnel also complicates piracy in but do not fool yourself this remains possible although more difficult a vpn adds also an additional server we have already explained how your data are sent from your computer to a server that goes next you are returning the website however if you use it a vpn tunnel your data is first sent to flavors of vpn then to the website this extra step helps to many ways starting with modify your geolocation indeed a lot of websites from streaming video like netflix and hulu distribute their content according to your geolocation let's say that you want to watch your favorite show on netflix but that it is not available in your country if you send your information to one of the vpn proxy based in the united states this server will send them to the website of netflix netflix now believes that you are in the united states and you can watch your issue without a problem a vpn does believe in the websites that you are in another country because the signal comes another clever server is this
not changed geolocation can also be useful when you want to book a hotel or a flight in research has shown that hotel rates and airline tickets varies according to your location and in vpn proxy potentially make you not hurt savings let's go back now to your confidentiality have previously explained that web sites sometimes collected your data and well governments can often required this information used the ip address list to determine your location but with a vpn of collected information will stop at flavors of vpn and they will not be able follow you to your IP address golden cool is not it many vpn server or also a policy of no data retention which means that it does not record the sites that you are visiting



so if the government asks for a vpn service to provide him your navigation history the information will not be available ssl vpn are very useful to protect your privacy line and this by changing your location encrypting your data and ensuring your privacy it's no wonder so many people we use nowadays.

vendredi 29 novembre 2019

What is broadband internet access and the digital divide federal assistance programs

what is broadband internet the purpose of this topic is to teach you about the nationwide Public Safety broadband network or the npsbn and firstnet the United States first responder Network Authority however before we can educate you about any of these things about the npsbn about firstnet or about our program we need to make sure that you have a basic understanding of the term broadband.


broadband internet



What is broadband internet ?


probably have an idea of what the term is you probably use it everyday but what is it are you able to define the term broadband don't feel badly if you can't even though it's a common term that everybody uses many people even information technology experts all have a hard time agreeing on what exactly it means that said you probably have seen or heard the term broadband or its equivalents in many contexts for example your local internet service providers are probably advertising broadband or high-speed Internet access today other
companies are advertising speed such as 4G LTE cellular carriers there are even
many government organizations dedicated to promoting unlimited broadband including the United States Federal Communications Commission through the National Broadband Plan and connect Ohio a nonprofit organization dedicated to improving broadband internet access tocommunities all across the state clearly companies are selling it the governmentis spending money to make it better you are probably a customer 


but what isn home broadband put simply broadband means fast as in fast internet access and italso means faster than what I had yesterday there's no Universal definition that everybody agrees on including engineers and government regulators but generally everybody agrees that broadband means fast fast enough for example to stream music to stream video and to download large files quickly but let's look at some of the formal definitions of broadbandincluding the technology behind it the federal government has a number to define broadband that number is 25 megabits per second on the downlink there's another number associated with that that number is 6 megabits per second on the uplink do those numbersmean anything to you unless you're a technical person and even then they probably don't but these are the speeds the government says qualifies something as home broadband but your broadband internet provider at home and your broadband cellular carrier probably don't provide those speeds today but we'll have more on that later



so what is wireless broadband after all that it sounds just about as clear as mud to me and it probably sounds about the same to you so let's compare a few different home broadband technologies what they are and how they compare to help us figure it all out to compare different technologies you need to understand how we measure speed for that we use the term throughput you probably use the term bandwidth bandwidth and throughput
mean pretty much the same thing for most purposes so whenever you think about
bandwidth just think about the word throughput to measure throughput we use a value called bits per second or bps measuring bits per second is kind of like measuring the amount of water flowing through a river just like a large river flowing very fast means you
have a lot of water having a large broadband pipe with lots of bits flowing at the speed of light means you have a lot of data but now you're probably wondering.

what is a bit well you probably know that all digital information is a sequence of ones and
zeros everything the TV shows and movies you stream the music saved on your phone
every website you open in a browser all data is stored as a sequence of ones and zeroes these ones and zeroes are called bits for example 10 ones and zeroes is called 10 bits so what if I said you could send 10 of those bits in one second how would you describe that
that's right you would say that is 10 bits per second but you just described right now that's throughput throughput is literally how many ones and zeros or bits someone can send in one second so 10 bits per second means we can send 10 ones or zeroes per second 1000 bits per second means we can send 1,000 ones or zeros or 1000 bits per second let's review a few different access technologies to help us figure out the term broadband dial-up.


internet is definitely not broadband by today's standards but it's good to use as a
baseline that you are probably familiar with dial-up internet from the mid to late 1990s had a speed of about 56,000 bits per second or 56 kilobits you might remember the term 56k modem this is where that term comes from that means a maximum of 56,000 ones Xero's are transmitted every second that isn't very fast by today's standards but at one point it was pretty cutting-edge you wouldn't be able to stream movies over a 56k connection though now let's look at a couple of technologies that would actually count as broadband DSL
broadband internet provided by your telephone company provides up to about seven million bits per second or seven megabits that means seven million ones or zeros are transmitted every second Cable Internet is about the same speed as DSL at least these days where DSL is a lot faster than it used to be neither cable internet nor dsl or new technologies both have been around since the 1990s.



however both technologies are always improving and they are both definitely much faster than they used to be most people would call both technologies broadband by today's standards because they are fast enough to download large files and stream multimedia such as TV shows or live video fiber internet which has just
recently been introduced to some markets in the United States in about the last
five years is very fast one billion bits per second or one gigabit that is 1 billion ones or zeros transmitted every single second or over 100 times as fast as your DSL or cable.

now I don't know what you think is home broadband but I'd saythat is definitely broadband how do cellular network stand-up 3G or third-generation cellular networks were first built in the United States around 2003 and they still operate today whiledifferent cellular carriers all used different technologies for data in 3G they all provided about the same average throughput speed of about 1 million bits per second that's 1 megabit by today's standards that's not broadband because you'd have a hard time
streaming video or much multimedia at all 4G or fourth generation cellular networks were built in the United States around 2010 and they continue to be built out today all major cellular carriers in the United States today use a technology called LTE which stands for
long term evolution LTE is an open global standard for cellular voice and data networks LTE provides average throughput speeds of about 5 million bits per second that's 5 megabits that doesn't sound very fast compared to your home Internet service and especially not very fast at all compared to fiber.



home broadband




but remember cellular networks communicate all of that information without wires
everywhere you go and it's still pretty fast suitable for streaming video carrying voice over LTE telephone calls and carrying billions of social-media transactions every single day. 

remember when I said that the federal government has a number to define broadband
remember that as of January 2015 that number is 25 megabits per second according to the federal government broadband technologies have to let you download 25 megabits per second and to upload that means send out to the Internet 6 megabits per second but most
broadband providers today don't offer those speeds or at least most of their customers don't have access to that level of service this includes the latest 4G cellular networks the only technology that always meets this definition today is fiber internet which most people don't even have access to where they live does that mean that your home internet service is not broadband that is hard to say it probably doesn't meet the FCC's standard for broadband however the FCC's benchmark for 25 megabits per second that's new as of 2015 as technology and networks continue to improve they will probably catch up with
the FCC's definition so what about today's newest state of the art blazing-fast 4G LTE networks well they provide typical speeds from  between 1/4 to 1/2 of the FCC's


definition for broadband in most cases anyway does that mean that 4G is not broadband well cellular networks are constantly being improved to so their speeds will only get better with time as well but after looking at all of these numbers I think it's easier to say what we said in the beginning that broadband means fast and that means faster than what I had yesterday that means that the benchmark is always going to move you will always demand something better because you will always demand something faster than what you had yesterday but hopefully you now have a better understanding of what the term broadband means the technologies behind it and how those different technologies compare in particular how they compare to each other and how they compare to the federal government's definition and remember what you think is broadband today is probably not going to be broadband tomorrow because tomorrow you will still define broadband as faster than what I had yesterday.

jeudi 28 novembre 2019

What makes a cognitive system different?

What makes a cognitive system different?






computing systems of the past have operated in predictable environments using structured and uniform data to perform prescribed operations now we have cognitive computing systems which are much more adaptable and similar to a human brain can understand reason and learn these systems can read vast amounts of unstructured data and use it to spot connections and patterns in new ways




offering insight into all kinds of human expression cognitive systems are built
on several underlying technologies let's take a look at two first natural language processing starts with understanding this system needs tounderstand human language in context as opposed to structured tables this natural language processing pulls information from articles research reports emails tweets even images and sounds to identify the significant
grammar context and vocabulary that carry core meaning second there's machine learning 



What makes a cognitive system different?




a technique in which the system spots connections between a particular pattern and the most likely outcomes the system receives feedback from regular use so it learns from every
interaction each prediction it makes whether right or wrong is taken into account for the next prediction until it can reliably spot the meaningful patterns through all the noise with these technologies .





a cognitive system doesn't offer one definitive answer instead it is designed to weigh the
information and ideas from many sources to reason and then offer rationales for its conclusions this makes it more than just a tool that enables you but a trusted advisor you