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)

Freyja Sarasvati 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

Ninavi Gumnam писал(а):

In future, our grandchildren would make 360° VR photos from the photos we take today, and gift them on our 90th bday. So make sure you take good photos

un писал(а):

You guys produce fake news

ted kaczynski писал(а):

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

JEROME CXXIV 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?

Aldo Lammel писал(а):

I've watched it twice and the vdeo keeps making me smile. This conclusion about B&W is just... gosh!

JosMorn1 писал(а):

I've always been curious... Thank you for posting this.

Basleal Abshiro писал(а):

there isnt a single thing that doesnt have haters

TheGameMakeGuy писал(а):

Roses are red These shadows are pretty long So I tRiAnGulAte It might be afternoon??

ram5 ramen5 писал(а):

Why did people look better a long time ago

Lily Fenster писал(а):

it's so much easier to connect to history this way. i see one of these photos and it's like, oh my god, that's a person. a regular human being i could see on the street. i recognize the look on their face, i can relate to how they might be feeling, i can truly imagine what it would be like to have lived back then. it's so strange how such a little thing can make us realize that people have always been people.

paulj0557 писал(а):

B&w looks 3D if you cover one eye.

Christopher Macias писал(а):

How about creating a 3d environment for VR from old photos and movies by advanced Artificial Intelligence based on probability?

El1te Stuff писал(а):

Easter eggs for hitler lol

Karo писал(а):

About,check if they are legit ,take pictures with old camera black n white and give them to colour after 5 years ,also take a picture with coloured camera too though we will know results after haha

Tnov писал(а):

World War II In Color is a docuseries about WWII using real film from the war, colorized. It's a very impactful experience, to feel so close with such an immense part of world history.

kawaii JP писал(а):

and colorize my favorite hentai also.

Ninavi Gumnam писал(а):

In future, our grandchildren would make 360° VR photos from the photos we take today, and gift them on our 90th bday. So make sure you take good photos

Joshu kt писал(а):

Once again I'm upset because I didn't receive this recommendation for a few years

Reed's Redactions писал(а):

I absolutely love the idea of colorization! I wish all black and white photos, movies and tv shows were colorized. I realize that many people feel 'nostalgic' towards black and white media, but I am the complete opposite. I absolutely hate watching black and white movies and tv shows, because it feels like there's something missing. Life was not intended to be filmed or photographed in black and white. Those were simply the limitations we had on that particular brand of media at that particular period of time. I'm sure people would have been thrilled to use color film at the time. I just hope technology will advance quickly enough to be able to develop new software that can preserve all of those old tv shows and movies in color.

Jason Luong писал(а):

Apparently, everyone in the past had jaundice.

MVP_KZ писал(а):

That's a lot of work. But I believe in the future it will be automatic :)

noslenseta писал(а):

Oh i thought the world was black and white or sepia on the olden days

Andina Rizkia писал(а):

People are so weird. They always try find something to be complained about. -The original photo is preserved because this is digital. -You said that it ruins the historical value of it. What historical value black and white photos supposed to serve? That it's old? -Don't be a negative nanny. Sure it might change people's prespective, but see the other side of the coin. People can appreciate past. Colors and culture can be learned. The feeling of connection is gained. Why are you so afraid of change? You can't stop change. You can either walk with it or being crushed by it. Your choice.