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Dramatic Celeb Transformations That Are Still Hard To Believe - Duration: 6:42.It's virtually impossible to go through life without experiencing some sort of recognizable
change.
It's a rite of passage, and it's bound to happen sometime.
But the main difference between us and celebs is that we have the privilege of changing
in private.
Although transforming while the world is watching may be traumatizing for some celebs, their
ups and downs can often be inspirational...or a perfect example of what we should never,
ever do.
For better or worse, here are a few stars who went through intense transformations.
Khloé Kardashian
The transformation of Khloe Kardashian from curvy girl to a proud bearer of rock hard
abs is truly inspiring.
Of course, haters are gonna hate, but there's really no denying that Kardashian has totally
whipped her famous bod into shape over the last couple of years, which she's documented
in her app.
She even released a bestselling book titled, Strong Looks Better Naked, which helps to
cement her status as the most ripped Kardashian sister.
Khloe's upcoming show, Revenge Body, will get into her transformation process even deeper,
so get ready for more of less-Khloe.
Kylie Jenner
Emerging from her older sisters' shadows and becoming a coveted star in her own right,
Kylie has become the most-viewed person on Snapchat, and has a habit of selling out of
newly released products faster than you can click.
Although there was controversy surrounding whether or not she'd received lip injections,
she turned the negativity around and created her own cosmetics line.
Although the youngest of the Kardashian/Jenner clan, Kylie has completely secured her place
as one of the most influential businesswomen from the notorious family.
With a successful cosmetics line and upcoming clothing collection, Kylie is well on her
way to breaking the internet through her Kylie Cosmetics line, forging her own empire one
lip kit at a time.
Justin Bieber
Once an adorable child star under the master tutelage of Usher, the effortless flow of
his famous bowl cut was immaculate, and he seemed to have the voice of an angel.
Bieber had most teenage girls, and a few confused grown women, in the palm of his hand.
Unfortunately, Bieber eventually spun out of control, making the transition from teenage
heartthrob, to being convicted of multiple crimes over the years.
After the DUI, resisting arrest, alleged drug abuse, and assault, many people were convinced
that his career was over for good.
But he may be leaving his bad boy antics behind.
He now attends Hillsong Church, a popular place of worship among celebrities, and he's
also regained the interest and popularity of fans old and new through new hits like,
"Sorry."
Which he probably is after all of those arrests.
Raven-Symoné
Launching her career on The Cosby Show, and transitioning into the title character for
the hit Disney series, That's So Raven, Raven Symone won our hearts with her various "wholesome"
roles.
Today, Raven has embraced a much edgier look, including new piercings, daring hairstyles,
and dark makeup.
Her appearance on Oprah and her platform on ABC's The View has allowed her to express
herself freely on various topics, where she generally took a more progressive stance.
Symone has revealed that she's leaving The View to return to a revamp of That's So Raven,
so as much as she's changed, she's still returning to her roots.
Britney Spears
She began her career as pop royalty and stayed lodged in our iTunes playlists for years,
but Britney Spears ultimately reached her breaking point in 2008 after feuding with
her ex-husband, Kevin Federline, over her children.
Many of her fans feared that she'd never be the same pop princess again after she shaved
her head and started using umbrellas as weapons.
"Britney spears.
She's bald."
Luckily, she made another transition back to her rightful place as eternal pop princess,
securing a residency in Las Vegas, and continuing to kill it at virtually every award show she's
invited to perform at.
We're left wondering…will she bring back the snake?
Nicole Richie
"You ever had a real job?"
"No."
Originally gaining fame as a vapid, lazy, party girl and Lionel Richie's secret shame
on The Simple Life, Nicole Richie has successfully put away her questionable past and become
grounded in maturity.
These days, she's a wife, a mother, and businesswoman, opening House of Harlow 1960, a jewelry and
clothing line named after her first daughter.
She also created a hilarious series entitled Candidly Nicole, returning to her reality
TV roots in an entirely new way.
"What about anemones, which are my very favorite flower at the moment.
They're very chic."
"They're a little slutty."
"Well, so are you, so maybe that's the perfect flower."
"Okay.
Alright."
Richie has transitioned from the rebellious young partier to an entrepreneur and philanthropist,
giving back through such charities as The Richie Madden Children's Foundation and Baby2Baby.
Jennifer Hudson
Introduced to us in season 3 of American Idol, Jennifer Hudson didn't go on to win that year,
but she was able to secure a major role in the film Dreamgirls alongside none other than
Miss Beyonce Knowles.
Not only did she put on a stellar performance, but Hudson also won an Academy Award for Best
Supporting Actress.
It's no secret that her character, Effie, was typically illustrated as slightly bigger
than her counterparts, and at that time, Hudson was proud to represent the curvy skin she
was in.
Through her partnership with Weight Watchers, Hudson has lost a significant amount of weight,
and is looking happier than ever.
Mandy Moore
Even though she's traded in her blond locks and singing talent for a brunette coif and
acting chops, Mandy Moore remains beloved by her loyal fans.
Her new life arguably started with her role in A Walk to Remember, as a girl diagnosed
with leukemia who happens to fall in love with the bad boy next door.
It's clear that Moore has found a love in full-time acting, transitioning from singing
to playing Rebecca Pearson, the matriarch character in NBC's This Is Us, for which she
was nominated for a "Best Supporting Actress" Golden Globe!
That's not something you get for just singing.
Caitlyn Jenner
Transforming from a man to a woman is no easy feat, especially when you're in the public
eye, and an Olympic medalist with ten children.
Starting life as Bruce Jenner, Caitlyn Jenner officially started her new life in 2015, after
revealing herself to the world on the cover of Vanity Fair.
Her E! reality show, I Am Cait, delved deep into the first few stages of Jenner's new
experiences as a woman, as well as her family and friends' reaction to her transformation.
Jenner has since helped to pave the way for other LGBTQ people to speak their truths,
and transition proudly in the ways that best support who they are as people.
Thanks for watching!
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Encodage de l'information 2 : Compression - Duration: 8:34.Hi everybody!
In the last video we have seen how to encode information in general
In this video we will see how to make the information as small as possible in the computer
We will talk about compression
We must distinguish two types of compression : lossless compression and lossy compression
lossless compression is used for example for text or zip folder
which means we can't allow to lose any information
on the other hand with lossy compression, which is used typically for image, sound, video
we can afford to lose some information
So for an image if I don't encode all information it won't be too perceptible by the human eye
so we can afford to discard that information
Let's start with lossless compression
There are several methods, we are gonna see one called Huffman encoding
The idea is intuitive : in a text you have characters appearing more often than others
So we could encode the most frequent ones with a short sequence of bits
and the rarest ones with a long sequence of bits
If you take for example a string with only 5 different characters a,b,c,d,e
We have seen last time how we can encode each letter with a sequence of bits
but the same length for each letter
But actually it is not necessary we can encode each letter with a sequence of different length
The list of letters along with their encoding sequences is called a encoding dictionary
we can easily represent these encoding with what we call an encoding tree, like this
So we have here our encoding tree
and here we have a sequence we want to decode using the tree
so we start with the first bit 0
and from the beginning of the tree we follow the symbol so here wo go to the left
we start again with the second bit
we continue to the left and find the symbol 'a'
so we know that these 2 bits of information represent the symbol 'a'
Then we start again from the top of the tree with the third bit 0
So we go again to the left but this time the 4th bit is 1 so we go right
we find the symbol 'b' and so we know these 2 bits represent the symbol 'b'
then the 5th bit is 1 so this time from the top of the tree we go to the right
then we have a 0 so we go to the left
then we have a symbol 1 so we go to the right and find the symbol 'd'
so we see that these 3 bits are the symbol 'd'
similarly we then have a 1 and again a 1 and find the symbol 'e'
and then we have 100 if you follow the tree you can see it is the symbol 'c'
So this sequence is abdec
So now imagine in this text there are 200 a, 300 b, 40 c, 60 d and 400 e
so we have a text of 1000 characters
Now if I try to encode this text with the first dictionary with a constant length of 3 bits per symbol
it will give us a length : **on screen**
Now if I try to encode the text with the second dictionary
this time we have 2 bits to encode a,b and e
So the total length will be : **on screen**
As you can see, only by changing the dictionary, with the most frequent symbols
encoded with a shorter sequence of bits, we managed to go from 3000 bits to 2100 bits for the same text
We have then saved 900 bits which is a 30% compression rate
another way to calculate the compression is with the probabilities of each symbol's appearance
so for example if you consider 'a' there are 200 'a' in the text out of 1000 characters
so the probability that a given symbol is an 'a' is 0.2
similarly for the other symbols we have these probabilities
We can now calculate the mean length of a symbol in bits
to that end we sum over all probabilities multiplied by their sequence length
So for the first dictionary it gives us a mean length of 3 bits per symbol
and for the second dictionary it gives us a mean of 2.1 bits per symbol
We could wonder if we tried a third dictionary if we could achieve an even better compression
But we won't test all possible encodings to find the one that gives us an optimal compression
For that we have a method called the Huffman algorithm that allows us to find the perfect encoding that maximizes the compression
We will in another module exactly what is an algorithm in details
but for now you only need to know that it is like a recipe, a method to solve a problem
In our case we have list of symbols with their probabilities and we want a method to find
the optimal encoding maximizing the compression
So with the Huffman algorithm we will construct an optimal tree
I will write the different symbols along with their probabilities
**on screen**
Then we will take the 2 symbols with the lowest probabilities
and put them together to build the tree from these 2 symbols
Here with c and d I can build the tree from these 2
Here we indicate a bit 0 and a bit 1
and then i add these 2 probabilities which gives us 0.1
then from this probability and the 3 remaining, i start over the same process
so i again take the 2 lowest probabilities, in this case 'a' with 0.2 and 0.1
and i link them
I again write 0 and 1, I add them and it gives me 0.3
and we start over : we take the 0.3 with the 'b' (also 0.3) because these are the 2 lowest probabilities
I link them and i gives me 0.6
Then i only have the 'e' left. Of course the sum of the last 2 probabilities should always be 1
With the Huffman algorithm we could compress even more
We can prove, but we won't do it here, that the Huffman algorithm is always optimal
which means there is no other better encoding to compress
Now if we have a text of 200 pages with 1000 characters per page so 200000 characters
we will see how many bits it takes with our different encodings
If we take our first encoding it gives us **on screen**
With our second modified encoding : **on screen**
and if we take our third encoding with the Huffman algorithm it gives us : **on screen**
Let's move on to lossy compression
There are several methods, I will present here the main method
In essence, information like images, sound or videos can be seen as a signal with frequencies
It is possible to filter these frequencies to keep only the most important
meaning those that are the most perceptible for the human senses
This way we can compress information a lot
In particular, if you consider a JPEG image, we can reduce its size up to 20 times without the loss being perceptible to the human eye
The presentation I gave you is superficial because to really understand this method
You must have some knowledge about signal processing, integral calculus and Fourier transforms
and so i will not go into details here but for those interested here is a link towards a more advanced video
I hope you understood this introduction to data compression and see you soon for a new video!
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Prayer of the day Thursday, february 02, 2017 - Duration: 11:28. For more infomation >> Prayer of the day Thursday, february 02, 2017 - Duration: 11:28.-------------------------------------------
2015-2107 F-150 Heartthrob 4" Aluminized Cat-Back Exhaust (5.0L) Sound Clip & Install - Duration: 7:40.Hey, everybody, I'm Justin with americanmuscle.com, and this is my detailed review and install
of the Heartthrob Four-inch Aluminized Steel Cat-Back Exhaust System, available for your
2015 and newer 5-liter powered F-150.
Alright in this video, I'm gonna cover a lot of ground with this system including what
kind of sound you can expect out of your Coyote powered rig with the Heartthrob in place.
We're also gonna break down the construction and materials from this very affordable system,
and finally, we will cover some of the bigger points of the actual installation process.
And right up front, I can tell you depending on your cab and bed size, there might be the
smallest amount of cutting needed, but it's one cut, very straightforward anybody should
be able to do it.
So, I'm sticking with one out of three wrenches on the difficulty meter, with some more detail
later on in the video.
So, the four-inch aluminized steel version that we have here from Heartthrob should appeal
to the Coyote truck owners out there looking to go with one of the most affordable large
diameter systems for their more modified setups.
And one that will appeal to truck owners out there who might not be concerned with having
the flashiest materials or a finished appearance right out of the box.
With all that said, this is also gonna be a very tame system in regards to overall volume
both inside and outside of the truck, which I think does make it appealing as well.
I do wanna stay on the topic of sound here with the Heartthrob because this was a system
I was very impressed with, it delivered a very unique tone on our EcoBoost-powered trucks
here at the shop, and it really did the same with our V8 power truck as well.
It's a higher pitched tone overall and again, one that really wasn't all that loud despite
the larger diameter.
So, what does this all mean when it comes time to talk about your neighbors?
Well again, this isn't the loudest system out there.
We've covered that quite a bit by now, and going to my wake the neighbor scale, I have
this coming in at a soft three out of five and honestly guys, I struggled to get even
there.
Keep in mind, a one is essentially gonna be your factory exhaust system.
You might think this thing will be a boomer from that larger diameter tubing, but it's
just simply not the case here with this system.
You do hear it a little bit on the inside of the truck while cruising, but again, really
not overpowering by any means.
Let's move away from the sound and talk a little bit more about the construction, appearance,
and materials here with the Heartthrob, and this is where things get a little interesting
with this system.
I mentioned earlier this is a bit unfinished, and it's certainly not gonna win you any beauty
contest sitting on the table here.
But keep mind guys, this is an exhaust.
It's gonna live underneath your truck.
You're only gonna see probably 1% of this entire system while it is on your truck.
And after all, you have to keep in mind the number one factor you should be considering
when buying an exhaust system, should be sound and of course performance as well which this
thing will deliver depending on your application.
You also have to factor in the price here as well.
400 bucks is really all you're dropping for the Heartthrob, which again, don't expect
the same level of quality of build materials as Borla or Corsa for instance.
You are getting full aluminized steel tubing here with this system.
A very small amount of three-inch tubing for stepping up into that four-inch diameter that
this thing is advertised as.
All of it mandrel bent, and it does exit...or pass through rather, this velocity series
muffler here from Heartthrob.
Full disclosure guys, this thing doesn't include a tip.
So basically, you're gonna be getting a four-inch piece of raw aluminized steel dumping right
behind that passenger side rear tire, which again, goes back to that unfinished word I
used a little bit earlier.
If you wanted to, you could definitely buy an aftermarket tip online, spice things up
a little bit, or you can just leave it unfinished, totally up to you.
Let's go back and talk about that velocity series muffler here from Heartthrob because
it is gonna be the number one force or the number one influence when it comes to shaping
the sound with this particular system.
This is a double wrapped shell muffler, which basically means it's gonna keep the volume
down according to Heartthrob, and that does seem to be the case here with this system.
You heard the sound clips, you can judge there.
Now, if you were to blow the top off of this thing, you'd find three separate baffles or
chambers with the velocity muffler.
You got two on the end here, and a V-shaped baffle in the middle which Heartthrob claims
is gonna help keep some of the drone down while cruising on the highways.
I puttered around in the truck with this thing installed, happy to report it seemed to do
the job just fine.
Let's move into the installation here with this system, and as I mentioned at the very
top of this video, there is gonna be the smallest amount of cutting needed depending on your
cab and your bed size.
But again, it's one cut as long as you take your time, follow Heartthrob's very detailed
instructions, get your measurements down correctly.
You should be banging this thing out no problem.
So, therefore, I am sticking a one out of three wrenches on my overall difficulty meter,
maybe an hour or two in the garage or shop before you're making some noise.
As far as tools needed for the installation, basic socket set is gonna be the biggy here,
in addition to that cutting tool, if you do need to actually trim the system.
I like using a Sawzall with a fresh metal blade, but you can use whatever you have laying
around the shop or garage.
Now, reference those instructions first before getting started with the install, because
you will need to determine if you need to cut, so just make sure you know your wheel
base before getting started.
Check those directions out if you do need to cut, now it'll be the time to do it.
Once your cut has been made, go ahead and work on removing that factory system so you
can get the new Heartthrob in place.
You remove that forward most clamp, and basically, the entire system will drop after you remove
those hangers.
This thing is one piece, it can be a little big and bulky to move around by yourself.
So if you have a buddy around the shop, now would be a great time to grab him.
With the factory system out of the way, you can get to work installing the new Heartthrob.
They recommend starting from front to back.
I think it's a great idea.
Get everything hung, get all your hangers and clamps in place before your final tighten
up, and you should be good to go.
As my final thoughts on the Heartthrob, well, for an EcoBoost truck, this is one of my best
bang for your bucks on the site.
For the Coyote powered truck, on the other hand, I think the four-inch diameter tubing
might be on the verge of overkill for an otherwise stock or naturally aspirated setup.
Sure the fit and finish leave a little bit to be desired, but the sound is gonna be very
unique, and you're really not dropping a whole lot of dough to get this system.
So, that is my review of the Heartthrob Four-inch Aluminized Steel System, which you can find
right here at americanmuscle.com.
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