Колоризация. Реставрация цвета в черно-белых фото

[садовник]

Превратить цветное фото в черно-белое сейчас, в эру компьютеров, не составит никакого труда.

А вот ч/б преобразовать в цветное - уже нетривиальная задача. Даже с помощью того же компьютера.

В компьютере каждый цвет (их более 16-ти миллионов) имеет свой номер С, который рассчитывается по формуле:

C = R*(256^0) + G*(256^1) + B*(256^2),

где R (Red) - красная составляющая нашего цвета (значения от 0 до 255),
G (Green) - зеленая составляющая (значения от 0 до 255),
B (Blue) - синяя составляющая (значения от 0 до 255).

Соответственно
номер красного цвета: 255*(256^0) + 0*(256^1) + 0*(256^2) = 255
номер зеленого цвета: 0*(256^0) + 255*(256^1) + 0*(256^2) = 65280
номер синего цвета: 0*(256^0) + 0*(256^1) + 255*(256^2) = 16711680
номер серого цвета: 128*(256^0) + 128*(256^1) + 128*(256^2) = 8421504

Как получить серый оттенок Y, имея RGB-составляющие цвета C? - По следующей формуле:

Y = 0.299*R + 0.587*G + 0.114*B,

где R, G, B - цветовые составляющие цвета C.

Обратная задача. Как получить цвет C (или его цветовые RGB-составляющие), соответствующий оттенку серого Y? - Тут всё сложнее:

0.299*R + 0.587*G + 0.114*B = Y

Имеем уравнение с тремя неизвестными: R, G и B. 256*256*256=16 777 216 комбинаций (это только для одной точки на фото).

Подозреваю, что на начальном этапе существенная часть RGB-комбинаций как-то отсекается, но это не сильно облегчит задачу реставратору.

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A E A писал(а):

Music did not match some images imo. Amazing pictures nonetheless.

Moutton Noir писал(а):

These are incredible- it's amazing the transformation that takes place when the images are colorized- it's as if life pours into the figures. The only image that doesn't work for me is the concentration camp inmates- their complexion is surely too healthy?

untitled untitled писал(а):

beautiful art that u bring to us..

Illuminati Mr. писал(а):

Korean war 1950, you have to work it together.

Jack Nunez писал(а):

These are my new favourite thing

roy penn писал(а):

how

Snowman_Fred писал(а):

The music is of bad taste though

Snowman_Fred писал(а):

0:42 that's a corpse

ChristophersMum писал(а):

Thank-you so much Marina, Although I grew up in the 50s and familiar with black and white photography, the way these photographs come to life adds poignancy to them. Really good work. (Had to mute the music though)

mmm mmm писал(а):

I think 1:54 is taken from the 90s/2000s? cause i think I remember the news. and all picture from 90s already have colors

Mi P писал(а):

mother earth that burning monk picture was taken in '60s

T писал(а):

I can't get over 1:05 . It looks like it's always been in colour

Herta Schneider писал(а):

T liTTle Too orangy/peachy buT...

Aomine Daiki писал(а):

Me: black and white :( Me: Coloured :)

TheConorsmithusa писал(а):

amazing work but it's a shame the years weren't put with the years of the photos...

TheBookaholic писал(а):

Even more amazing if we could see the year each picture was taken.

hladkyj88 писал(а):

amazing! i'd love any additional context for pictures you could provide in future videos

Daniel Moreira писал(а):

Subjects that look historical become real people... The surroundings become ordinary... Everything becomes relatable... And it dawns on us that world has always been very much the same!

xBrownGirLinTheRingx писал(а):

Amazing work!

MsTiK писал(а):

It would be nice to have a country/person and the time mentioned, too.

SpeedStick писал(а):

This is amazing to see the past in its true colors.

Bewleed писал(а):

Looking back at the BnW days seems like a part of a Movie Set. It just looks unbelievably unreal to see those BnW days in colors and to think that those events were actually real and it's part of our history. Amazing

P.S. Х/Ф "В бой идут одни старики" в 1973г. снят на ч/б кинопленку. А в 2009г. был колоризирован.

Подробнее о колоризации здесь:   *** Авторизуйтесь, чтобы увидеть ссылку ***  

[Любимый гость]

[Смолянка]

Садовник, ух, как все сложно с этими формулами, но результат впечатляет!

[садовник]

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Vox писал(а):

You can find more photos on the artists' pages. Check them out: Jordan Lloyd (@jordanjlloydhq): http://dynamichrome.com/ Mads Madsen (@Madsmadsench): http://www.colorized-history.com/ Marina Amaral (@marinamaral2): http://www.marinamaral.com/ Dana Keller (@HistoryInColor): http://www.danarkeller.com/ Patty Allison (@imbuedwithhues): https://imbuedwithhues.wordpress.com/ The Paper Time Machine: https://unbound.com/books/paper-time-machine

ted kaczynski писал(а):

and how do they colorize movies? not frame by frame i guess. massive computing power somehow.

Matthew Fritch писал(а):

I'm not a big fan of Vox or it's politics, but I deeply appreciate this video and the people in it. Thanks Vox.

Drew Fisher писал(а):

No mention of Sanna Dullaway?

Ana Maria Figueroa Escobar писал(а):

El cerebro

Jack Horsnell писал(а):

Vox iiii

country boy 1970 писал(а):

As long as they aren't coloring on the originals I don't care in fact I like it it turns those photos into something much more real feeling

MrMus TangMan писал(а):

This blows my mind.!!!!!!!!

highlights Bottle flip nbanflnhl писал(а):

Very good work, this if nothing else, helps a mental relation to the photography. Black and white has always thrown a degree of indifference at those attempting to percieve the photo's as realistic. Thank you.

N.i.B. писал(а):

The Thomas Edison one I almost didn’t believe. It was beautiful

BinauralMindMusic - Relaxing, Soothing, Strange писал(а):

This freakin' awesome!

Another Dave писал(а):

This was my dad's job before WWII. They would take a print that people brought into the photo lab, make a negative and then a new print from that. and paint out scratches, creases, stains etc. with a pallet of grey scale paints. Then make a new negative and a new print from that, that they colorized. They thought it was going to be a booming business after the war. But color film was invented and the trade became obsolete. So he got a job with the railroad.

Harry Trueman писал(а):

What a bell end for swearing, arse hole

VodShod писал(а):

0:22 what do you mean by people that were actually there? There was color back then?

Rohann van Rensburg писал(а):

What is it about old film photos that make them look like oil paintings, especially when coloured? The highlights and midtones are really controlled, as well as shadows. There's a lot of shadow detail and decent contrast but highlights tend to be very smooth.

Rose Easton писал(а):

im gonna tell you a secret. multiply layer. its in photoshop shhhhhh.... dont tell anyone.

Jason Kaiser писал(а):

Mackaneek писал(а):

history is awesome and this is a cool way to make people see that

Jonathan Driver писал(а):

Yeah it's not like they can just design a program that correlates shades to hues and you can just paint the color in like in the video here, hidden in plane sight. It's much more complicated, don't try this at home folks.

S N E A K Y B O I писал(а):

Easter Egg for Hitler

Eugnio Monts писал(а):

https://demos.algorithmia.com/colorize-photos/

Jakub Garbacz писал(а):

cool, but I like to imagine the colors in black and white photos.

coclo27 писал(а):

How do I get this job!?!?

Missy Cabic писал(а):

I LOVE the colorized photos. It really does give you a new sense of history!

Tyler Mikos писал(а):

how does the Photoshop program know how to remove "blemishes" acquired from being so old. how does it take away water marks , but leave the clouds in for example, how can the program tell the difference? mind blown. Im clearly not artistic.