Understanding L-BFGS
A concise explanation of BFGS and L-BFGS.
optimization  machinelearning  bfgs 
2 days ago
Pace Layering: How Complex Systems Learn and Keep Learning
"Fast learns, slow remembers.  Fast proposes, slow disposes.  Fast is discontinuous, slow is continuous.  Fast and small instructs slow and big by accrued innovation and by occasional revolution.  Slow and big controls small and fast by constraint and constancy."
learning  plasticity 
13 days ago
Sessions: The vim feature you probably aren't using
"When you’ve been working for awhile and you’re all moved in to your new digs — maybe it’s the end of the day, maybe it’s been 71 days and you finally have to give in and restart your computer, you just save the session file to anywhere you’d like."
vim  programming 
15 days ago
Kolmogorov-Smirnov vs Mann-Whitney test
"The KS test is sensitive to any differences in the two distributions. Substantial differences in shape, spread or median will result in a small P value. In contrast, the MW test is mostly sensitive to changes in the median."
statistics  testing 
5 weeks ago
Write tests. Not too many. Mostly integration.
"You may also find yourself testing implementation details just so you can make sure you get that one line of code that’s hard to reproduce in a test environment. You really want to avoid testing implementation details because it doesn’t give you very much confidence that your application is working and it slows you down when refactoring. You should very rarely have to change tests when you refactor code."
programming  testing 
october 2017
Insects Are In Serious Trouble
"By analyzing the Krefeld data—1,503 traps, and 27 years of work—Hallmann and his colleagues have shown that most of the flying insects in this part of Germany are flying no more. Between 1989 and 2016, the average weight of insects that were caught between May and October fell by an astonishing 77 percent. Over the same period, the weight of insects caught in the height of summer, when these creatures should be at their buzziest, fell by 82 percent."
bees  insects  animals 
october 2017
Vim after 15 years
"Vim 8 added a lot of much-needed functionality, and new community sites like VimAwesome have made plugin discovery and evaluation easier. I’ve been doing a lot more work with Vim lately and have spent some time configuring my workflow for peak efficiency, so here’s a snapshot of my current state."
vim  programming 
october 2017
Perceptually uniform color spaces
"The International Commission on Illumination (CIE) created the aforementioned chromaticity diagram in the 1930’s to solve this problem. This diagram is actually a 2D view of a color space called CIEXYZ, which in the 1970’s was replaced with the slightly improved CIELUV and CIELAB color spaces. It is hard to describe how these color spaces work without going into the underlying math, but they generally allow you to specify color, not in light mixes, but in dimensions that relate more to the human vision, and they do sophisticated color transformations to ensure that these dimensions reflect how the human vision works."
color  vision 
october 2017
Retabbing files in VIM
How to replace indentation with N spaces by M spaces in vim.
vim  programming 
october 2017
The rise of robots in the German labour market
"Robots have had no aggregate effect on German employment, and robot exposure is found to actually increase the chances of workers staying with their original employer. This effect seems to be largely down to efforts of work councils and labour unions, but is also the result of fewer young workers entering manufacturing careers."
robots  jobs  employment  research 
september 2017
Minibatch Metropolis-Hastings
An approach to using minibatches in Metropolis-Hastings sampling.
mcmc  metropolis  hastings  sampling  machinelearning 
september 2017
Feather Icons
Beautiful open source icons.
icons  graphics  webdesign 
august 2017
First thorium reactor experiment in over 45 years
"​This tiny set of crucibles is the world's first thorium molten salt reactor (TMSR) experiment in over 45 years."
thorium  energy  technology 
august 2017
We’ll Never Know Whether Monorepos Are Better
"We had access to all of the data you could possibly want to evaluate the decision. The same engineers working with the same codebase had seen what it was like in the monorepo model and the multirepo model. We knew exactly how much it had actually cost to switch. We had lived with the advantages and disadvantages of both models. But still we couldn’t come to an agreement. [...] Today, when asking myself whether to work on wide-reaching infrastructure projects, I ask myself: Is this change obviously an improvement? If I think I’m right, but I can’t get a supermajority of the engineering team to agree, I don’t do it."
engineering  productivity  versioning 
june 2017
Data Driven Products Now!
Fun presentation on data-driven product development at Etsy.
data  development 
june 2017
Culprit hidden in plain sight in Alzheimer disease development
"[...] highly oxidative, combustion nanoparticles entering young developing brains—the culprit hidden in plain sight in Alzheimer's disease development—constitute a very serious public health issue, with grave social and economic consequences."
medicine  alzheimer 
june 2017
Data alignment: Straighten up and fly right
"[...] your computer's processor does not read from and write to memory in byte-sized chunks. Instead, it accesses memory in two-, four-, eight- 16- or even 32-byte chunks. We'll call the size in which a processor accesses memory its memory access granularity. The difference between how high-level programmers think of memory and how modern processors actually work with memory raises interesting issues that this article explores."
programming  alignment 
june 2017
The AI Misinformation Epidemic
"Complicating matters, the wave of enthusiasm for / interest in machine learning has spread far beyond the small group of people possessing a concrete sense of the state of machine learning. Both in industry and the broader public, many people know that important things are happening in machine learning but lack any concrete sense of what precisely is happening. [...] This pairing of interest with ignorance has created a perfect storm for a misinformation epidemic. The outsize demand for stories about AI has created a tremendous opportunity for impostors to capture some piece of this market."
ai  journalism 
march 2017
I am a member of the intellectual, liberal elite – it's time we stood up for ourselves and our ideas
"The new philistine oligopoly has pulled off a devastating coup. It has diverted public anger away from financial and corporate power and turned it onto experts, politicians, journalists and intellectuals: those who keep us safe, improve society, hold our leaders to account, and increase the sum of human knowledge."
politics  society  culture 
february 2017
Folding cycle attempted to overtake normal bike
"The owner of a folding bicycle has narrowly survived after attempting to overtake a cyclist with normal-sized wheels."
humor  cycling  london 
january 2017
HTML5 templates which use Bootstrap released under Creative Commons.
html  webdesign 
january 2017
Peter's Choice
'Given that experience, he has concluded, "for those people who have no political voice and come from states that do not matter, the best thing they can do is try to send in a wrecking ball to disrupt the system." When Peter finished with that last line, there was a slight gasp from someone in the class—then silence, then applause. They felt like they got it. [...] But while Peter's analysis is at odds with much of the data, his overall story does fit a national pattern. Trump voters report experiencing greater-than-average levels of economic anxiety, even though they tend have better-than-average incomes. And they are inclined to blame economic instability on the federal government—even, sometimes, when it flows from private corporations.'
politics  conservatism  trump 
january 2017
If you don’t finish then you’re just busy, not productive
"One of the biggest realisations I’ve come to as part of my PhD, is how little people care about how I spend my time, they only care about what I am able to deliver. Yet in order to deliver, you need to finish."
productivity  time  management 
january 2017
Preparing for the future of artificial intelligence
"One important concern arising from prior waves of automation, however, is the potential impact on certain types of jobs and sectors, and the resulting impacts on income inequality. Because AI has the potential to eliminate or drive down wages of some jobs, especially low- and medium-skill jobs, policy interventions will likely be needed to ensure that AI’s economic benefits are broadly shared and that inequality is diminished and not worsened as a consequence."
ai  jobs  white  house 
december 2016
I make $2.35 an hour in coal country. I don’t want handouts. I want a living wage.
"My family has always understood that we can’t wait for a savior at the ballot box to shepherd in the change we so desperately need. If we want a shot at a decent life, working people must fight for it together. That’s why, last month, I followed in my grandfather’s footsteps and went on strike, joining with tens of thousands of service workers in 340 cities to fight for $15 an hour and the right to organize unions."
december 2016
Donald Trump's war on science
"The first sign of Trump’s intention to spread lies about empirical reality, '1984'-style, was, of course, the appointment of Steve Bannon, the former executive chairman of the Breitbart News Network, as Trump’s 'senior counselor and strategist.' This year, Breitbart hosted stories with titles such as '1001 Reasons Why Global Warming Is So Totally Over in 2016,' despite the fact that 2016 is now overwhelmingly on track to be the hottest year on record, beating 2015, which beat 2014, which beat 2013. Such stories do more than spread disinformation."
science  trump  usa  climate  change 
december 2016
The Dividends of Funding Basic Science
"At its height in the 1970s, government funding for basic research represented more than 2% of U.S. gross domestic product. Known as 'R&D intensity,' this ratio measures society’s commitment to science, and by 2014 it had dropped to just 0.78% of GDP."
science  research  funding 
december 2016
This is the most dangerous time for our planet
"The concerns underlying these votes about the economic consequences of globalisation and accelerating technological change are absolutely understandable. The automation of factories has already decimated jobs in traditional manufacturing, and the rise of artificial intelligence is likely to extend this job destruction deep into the middle classes, with only the most caring, creative or supervisory roles remaining. [...] For me, the really concerning aspect of this is that now, more than at any time in our history, our species needs to work together. We face awesome environmental challenges: climate change, food production, overpopulation, the decimation of other species, epidemic disease, acidification of the oceans."
stephen  hawking  society  politics  inequality  climate  change  technology 
december 2016
German Leaders at Odds with Industry over Electric Cars
"The government in Berlin fears that German automobile companies are lagging behind as electric cars pick up speed around the world. Faced with immense challenges and the potential loss of tens of thousands of jobs, the industry is still pushing its gas guzzlers."
germany  electric  cars 
december 2016
Designing and documenting interfaces
"Good software engineering is about dividing code into modules that separate concerns and localize them within modules. These modules then interact via interfaces that provide abstraction barriers supporting local reasoning. Let's look more closely at the problem of designing good interfaces."
interface  software  engineering 
december 2016
The Gift
A science fiction short film.
science  fiction  film 
november 2016
Finland set to become first country to ban coal use for energy
"Finland could become the first country to ditch coal for good. As part of a new energy and climate strategy due to be announced tomorrow, the government is considering banning the burning of coal for energy by 2030."
climate  change  finland 
november 2016
Siemens-Chef sieht bedingungsloses Grundeinkommen als „unvermeidlich“
"Durch die Digitalisierung fallen Arbeitsplätze im produzierenden Gewerbe zu Hauf weg, Menschen müssen sich neu orientieren. Der Siemens-Chef sieht das bedingungslose Grundeinkommen hier als Chance."
basic  income  siemens  society 
november 2016
All around the world, nationalists are gaining ground. Why?
"In rich countries, pessimism plays a role. As chart 3 shows, slower growth lowers support for globalisation. Inequality hurts, too. Educated people may be doing just fine, but blue-collar workers are often struggling. Mr Trump did remarkably well among blue-collar white voters. One of the best predictors of support for Brexit or Ms Le Pen is a belief that things were better in the past."
economist  politics  society 
november 2016
David Letterman interviews Narendra Modi
David Letterman visits India to talk about its plans for renewable energies.
climate  change  renewable  energy  india  letterman 
november 2016
"The best editor is neither Emacs nor Vim, it's Emacs and Vim!"
spacemacs  emacs  vim  programming 
november 2016
An American Tragedy
"Hillary Clinton was a flawed candidate but a resilient, intelligent, and competent leader, who never overcame her image among millions of voters as untrustworthy and entitled. Some of this was the result of her ingrown instinct for suspicion, developed over the years after one bogus “scandal” after another. And yet, somehow, no matter how long and committed her earnest public service, she was less trusted than Trump, a flim-flam man who cheated his customers, investors, and contractors; a hollow man whose countless statements and behavior reflect a human being of dismal qualities—greedy, mendacious, and bigoted."
nyt  usa  election 
november 2016
History tells us what may happen next with Brexit & Trump
"My point is that this is a cycle. It happens again and again, but as most people only have a 50–100 year historical perspective they don’t see that it’s happening again. As the events that led to the First World War unfolded, there were a few brilliant minds who started to warn that something big was wrong, that the web of treaties across Europe could lead to a war, but they were dismissed as hysterical, mad, or fools, as is always the way, and as people who worry about Putin, Brexit, and Trump are dismissed now."
trump  brexit  war 
november 2016
How Steve Jobs Became a Billionaire
“Steve is the guy who owns us—but he’s never been one of us,” Pam explained. “We’ve long felt unvalued, unappreciated. People worry that if he gets too close, he’ll ruin Pixar, and destroy our culture. And now, you’re the guy he has sent to whip us into shape.”
pixar  steve  jobs 
november 2016
In Germany, Syrians find mosques too conservative
"A 2008 survey of Muslims and Christians in Europe by the state-funded WZB Berlin Social Science Centre found fundamentalist attitudes were less prevalent among German Muslims than elsewhere in Europe, but still quite widespread: For example, nearly half the Muslims it surveyed in Germany felt religious law to be more important than secular law."
religion  islam  germany 
october 2016
Recognition of hand-drawn shapes, hand-written text, and LaTeX equations.
latex  recognition 
october 2016
Young, talented and fed-up: scientists tell their stories
"Scientists starting labs say that they are under historically high pressure to publish, secure funding and earn permanent positions — leaving precious little time for actual research."
science  academia  funding 
october 2016
How Do We Beam Pictures Back From Jupiter? It Takes A Village
"Juno’s maximum capacity of 25 kilobytes per second is based on the 70-meter dishes. In contrast, Kurth told me, the 34-meter dishes have a capacity closer to 3.75 kilobytes per second."
space  juno  nasa 
october 2016
Fizz Buzz in Tensorflow
"interviewer: OK, so I need you to print the numbers from 1 to 100, except that if the number is divisible by 3 print 'fizz', if it's divisible by 5 print 'buzz', and if it's divisible by 15 print 'fizzbuzz'."
fizzbuzz  tensorflow  machinelearning 
october 2016
Foie Gras: Cruelty to Ducks and Geese
"To produce 'foie gras', workers ram pipes down the throats of male ducks twice each day, pumping up to 2.2 pounds of grain and fat into their stomachs, or geese three times a day, up to 4 pounds daily, in a process known as 'gavage.' The force-feeding causes the birds’ livers to swell to up to 10 times their normal size. Many birds have difficulty standing because their engorged livers distend their abdomens, and they may tear out their own feathers and attack each other out of stress."
animals  vegetarianism 
october 2016
The Age Of The Superbug Is Already Here
"The U.N. is convening a landmark meeting this week on antibiotic resistance, but scientists are concerned the action may be too late."
antibiotics  medicine  un 
september 2016
A Soviet scientist created the only tame foxes in the world
"Belyaev had one main goal at the beginning of experiment: to reproduce the process of historical domestication at the experiment, during a short time," says Trut. "This goal didn't change. But during the experiment the understanding of evolutionary process changed." By the fourth generation, the scientists started to see dramatic changes.
evolution  foxes 
september 2016
Morocco Unveils A Massive Solar Power Plant In The Sahara
"Morocco has officially turned on a massive solar power plant in the Sahara Desert, kicking off the first phase of a planned project to provide renewable energy to more than a million Moroccans. [...] The ability to store the heat to make energy when the sun is not immediately shining is a major advantage of solar thermal power (also called concentrated solar power or concentrating solar power). Unlike photovoltaic systems, thermal systems don't suddenly drop in output when a cloud passes over the sun, and you don't need batteries to store some energy for nighttime use."
energy  solar  morocco 
september 2016
Companies would benefit from helping introverts to thrive
"MOST companies worry about discriminating against their employees on the basis of race, gender or sexual preference. But they give little thought to their shabby treatment of introverts. [...] The biggest culprit is the fashion for open-plan offices and so-called 'group work'. Companies rightly think that the elixir of growth in a world where computers can do much of the grunt work is innovation. But they wrongly conclude that the best way to encourage creativity is to knock down office walls and to hold incessant meetings."
work  introversion 
september 2016
‘Superbug’ scourge spreads as U.S. fails to track rising human toll
"Fifteen years after the U.S. declared drug-resistant infections to be a grave threat, the crisis is only worsening, a Reuters investigation finds, as government agencies remain unwilling or unable to impose reporting requirements on a healthcare industry that often hides the problem."
antibiotics  health  medicine 
september 2016
The Price of Solar Is Declining to Unprecedented Lows
"Despite already low costs, the installed price of solar fell by 5 to 12 percent in 2015."
solar  energy 
august 2016
A suggestion on how to spend a day at home
"Wake up in the morning, put on a comfy sweater, and make a pot of tea (or coffee if you're into that). Make yourself a light breakfast -- biscotti or a scone, toast with jam. Sit down, stare out a window, drink your hot beverage and eat your breakfast. If your neighbor does Tai Chi every morning in their backyard and your window overlooks their backyard, you have my permission to watch them do Tai Chi."
humor  breakfast 
august 2016
You may think the world is falling apart. Steven Pinker is here to tell you it isn't.
"Rates of death in war show something of an uptick because of the war in Syria — but that’s still a fraction of the levels they were in the 1960s through the early 1990s, and that’s to say nothing of the World Wars.

There has probably been a slight increase in the rate of violent crime in the US in 2015, and I say probably because the FBI figures are still not out for that year.

But even then that wouldn’t even be as high as it was in 2012, just three years ago, and that itself is a huge decrease in the levels of '60s, '70, and '80s in the US, where violent crime has fallen by more than half. So there is probably an uptick for 2015 and 2016. But it’s just a wiggle in a curve that’s been going down, down, down."
violence  history 
august 2016
Donald Trump is a unique threat to American democracy
"This year we will follow the campaign as always, offering honest views on all the candidates. But we cannot salute the Republican nominee or pretend that we might endorse him this fall. A Trump presidency would be dangerous for the nation and the world."
trump  usa  democracy  politics 
july 2016
Video Conference Part 1: These Things Suck
"I wrote my own (prototype) video conferencing app. It turned out pretty well. And that’s what these posts are about."
video  compression 
july 2016
Silicon Valley's Bloody Plant Burger Smells, Tastes And Sizzles Like Meat
"The demand for meat is going through the roof, and the world is not going to be able to satisfy that using animals — there's just not enough space, not enough water," says Brown, Impossible Foods' founder and CEO.
food  meat 
june 2016
You and Your Research
"At a seminar in the Bell Communications Research Colloquia Series, Dr. Richard W. Hamming, a Professor at the Naval Postgraduate School in Monterey, California and a retired Bell Labs scientist, gave a very interesting and stimulating talk, `You and Your Research' to an overflow audience of some 200 Bellcore staff members and visitors at the Morris Research and Engineering Center on March 7, 1986. This talk centered on Hamming's observations and research on the question ``Why do so few scientists make significant contributions and so many are forgotten in the long run?'' From his more than forty years of experience, thirty of which were at Bell Laboratories, he has made a number of direct observations, asked very pointed questions of scientists about what, how, and why they did things, studied the lives of great scientists and great contributions, and has done introspection and studied theories of creativity. The talk is about what he has learned in terms of the properties of the individual scientists, their abilities, traits, working habits, attitudes, and philosophy."
hamming  research 
june 2016
My First 10 Minutes On a Server - Primer for Securing Ubuntu
"My First 5 Minutes on a Server, by Bryan Kennedy, is an excellent intro into securing a server against most attacks. We have a few modifications to his approach that we wanted to document as part of our efforts of externalizing our processes and best practices."
ubuntu  linux  server 
june 2016
Mathematicians are chronically lost and confused (and that’s how it’s supposed to be)
"If you’re going to get anywhere in learning mathematics, you need to learn to be comfortable not understanding something."
june 2016
Y Combinator announces basic income pilot experiment in Oakland
"Y Combinator announced today that it would launch its first basic income experiment in Oakland, CA. The startup accelerator began researching the concept of basic income last fall and will soon start paying salaries."
income  jobs  experiment 
june 2016
Why women earn less: Just two factors explain post-PhD pay gap
"But after controlling for differences in academic field, the researchers found that women still lagged men by 11% in first-year earnings. That difference, they say, was explained entirely by the finding that married women with children earned less than men. Married men with children, on the other hand, saw no disadvantage in earnings."
jobs  income 
may 2016
Antibiotics Are Dead; Long Live Antibiotics!
"But this pessimism rests entirely on one assumption: that we have no realistic prospect of developing new classes of antibiotics any time soon, antibiotics that our major threats have not yet seen and thus not acquired resistance to. And it now seems that that assumption is unwarranted. It is based on history—on the fact that no new antibiotic class with broad efficacy has been identified for decades. But very recently, a novel method was identified for isolating exactly those—and it seems to work really, really well."
antibiotics  research  edge 
may 2016
Keep Your Identity Small
"What's different about religion is that people don't feel they need to have any particular expertise to have opinions about it. All they need is strongly held beliefs, and anyone can have those. No thread about Javascript will grow as fast as one about religion, because people feel they have to be over some threshold of expertise to post comments about that. But on religion everyone's an expert."
religion  politics  graham 
may 2016
Face recognition app taking Russia by storm may bring end to public anonymity
"If the founders of a new face recognition app get their way, anonymity in public could soon be a thing of the past. FindFace, launched two months ago and currently taking Russia by storm, allows users to photograph people in a crowd and work out their identities, with 70% reliability."
face  recognition  privacy  technology 
may 2016
Volvo's Self-Driving Program Will Have Redundancy For Everything
"Next year Volvo will do something no other company has tried: it will put 100 fully self-driving cars in the hands of customers. The tests, which will begin small and ramp up slowly, are to be held in Gothenberg, Sweden and in London."
self-driving  car  technology 
may 2016
A Reboot of the Legendary Physics Site ArXiv Could Shape Open Science
"ArXiv is about to celebrate its 25th birthday. It can now officially rent a car without paying extra, and that means it has to grow up and start thinking about its future. The repository still excels at its primary goal—to quickly and freely disseminate papers about black holes, baryons, and Bayesian statistics—but it runs on old legacy code."
arxiv  publishing  science 
may 2016
The artificial skylight that you won't believe isn't real
"It looks like the sun... but it isn't. It's a brand new type of artificial skylight called CoeLux which, for the first time, recreates the scientific process that makes the sky appear blue. It also creates an illusion of depth to make the 'sun' appear to be far above."
light  architecture 
april 2016
Why bad scientific code beats code following "best practices"
"I've just read 'The Low Quality of Scientific Code', which claims that code written by scientists comes out worse than it would if "software engineers" were involved.

I've been working, for more than a decade, in an environment dominated by people with a background in math or physics who often have sparse knowledge of 'software engineering'.

Invariably, the biggest messes are made by the minority of people who do define themselves as programmers."
april 2016
8 Bit & '8 Bitish' Graphics
"Mark Ferrari will discuss and demonstrate some of his techniques for drawing 8 bit game graphics, including his celebrated methods for use of color cycling and pallet shifting to create complex and realistic background animation effects without frame-animation. He will also discuss his current work for Ron Gilbert's retro adventure Game, Thimbleweed Park, and demonstrate techniques for using Photoshop to create what he calls '8 bitish' graphics for retro games today."
8bit  game  graphics 
april 2016
Democracy is declining worldwide
"A study by the Germany-based Bertelsmann Foundation notes a global decline in democracy and models of social market economy, and an increase in religion's influence in political and legal institutions."
democracy  politics  religion 
march 2016
The problem is capitalism, not robots
"If machines produce everything we need, the outcome will depend on how things are distributed. Everyone can enjoy a life of luxurious leisure if the machine-produced wealth is shared, or most people can end up miserably poor if the machine-owners successfully lobby against wealth redistribution. So far, the trend seems to be toward the second option, with technology driving ever-increasing inequality."
ai  jobs  hawking  capitalism 
march 2016
Basic Income
"We’d like to fund a study on basic income—i.e., giving people enough money to live on with no strings attached. [...] I’m fairly confident that at some point in the future, as technology continues to eliminate traditional jobs and massive new wealth gets created, we’re going to see some version of this at a national scale. [...] 50 years from now, I think it will seem ridiculous that we used fear of not being able to eat as a way to motivate people."
ycombinator  income  jobs 
january 2016
Image recognition results
A collection of image classification results for different benchmarks.
classification  machine  learning 
january 2016
A Better Default Colormap for Matplotlib (YouTube)
SciPy 2015 talk on Matplotlib's new default colormap.
colormap  coding  vision 
january 2016
Springer Textbooks
All Springer textbooks which are older than 10 years are now freely available.
springer  book 
december 2015
The Generative and Discriminative Learning Interface
"Generative and discriminative learning are two of the major paradigms for solving prediction problems in machine learning, each offering important distinct advantages. They have often been studied in different sub-communities, but over the past decade, there has been increasing interest in trying to understand and leverage the advantages of both approaches. The goal of this workshop is to map out our current understanding of the empirical and theoretical advantages of each approach as well as their combination, and to identify open research directions."
machinelearning  workshop  nips 
december 2015
Secret aid worker: How can we fight inequality if we live as privileged expats?
"Awareness of your own privilege in relation to the rest of the world is often a motivator for people drawn to humanitarian or development work. The ironic twist is that in this profession we are transformed from unremarkable young people into a little aristocracy."
foreign  aid 
december 2015
Per-Title Encode Optimization
"We’ve spent years developing an approach, called per-title encoding, where we run analysis on an individual title to determine the optimal encoding recipe based on its complexity. Imagine having very involved action scenes that need more bits to encapsulate the information versus unchanging landscape scenes or animation that need less. This allows us to deliver the same or better experience while using less bandwidth, which will be particularly important in lower bandwidth countries and as we expand to places where video viewing often happens on mobile networks."
compression  netflix 
december 2015
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