
And the process it uses to color them isn’t what you might expect.
We’ve seen before how artificial intelligence is already on its way to beating humans at playing Go and giving dating advice, but now it seems like there’s another area that machines will soon take us over in: colorizing old photographs.
Waseda University recently showed off some old Japanese photos that have been fully-colorized by AI that learned the colorization process through analyzing large data sets full of categorized photos. That’s the really cool part: the AI is coloring photos based on previous photos that are similar to it. Black and white photo of a garden? Well then the AI colors it similarly to a color photo of another garden. Black and white photo of a birthday? The AI will color it similarly to other birthday photos.
How does it actually work? Well, maybe this chart will help clear some things up:
▼ Um… uh… so… yeah, it’s actually really complicated. Let’s just concentrate on that box in the lower right showing the preexisting photos that the AI is thinking about when it colors the new one.
For those who are interested in how the AI works, the full source code is available on GitHub, but for the rest of us, we’ll just enjoy these photos of old Japan that the AI masterfully brought to life using its colorization intelligence.
▼ A black and white original photograph from 1935…
▼ …and the result after it was colorized by the AI. This looks like it could’ve been taken today, if some eclectic wardrobe choices were made.
▼ So peaceful. This 1917 one almost looks like a painting.
▼ I’m not sure if that hat matches the rest of the outfit, but this guy doesn’t look like he cares what we think.
When tested on users, the Waseda research group found that the photographs were colorized with “90 percent naturalness,” which is pretty good considering I’m lucky to get 60 percent or so when I take a phone photo.
▼ Man, these end-of-Meiji-period plants look just like the plants we have today! Imagine that…
▼ A fine group of 1905-era people, posing with their plants.
▼ The plants seemed to have done a lot of nice growing five years later, in 1910.
The Waseda University research group hopes that the colorization AI will eventually get to the point where it can be released to the public and anyone can use it for their own photos. It would be great to be able to just use a colorization program to automatically bring old family photos back to life…although we have to wonder: is feeding the AI all this information about human families and friends really such a good idea? Won’t that just make it easier for it to blend in and eventually destroy us?
I’m just saying; if we’re ruled by AI colorization overlords a few years from now, we know who to blame.
Source: Waseda University via Japaaan Magazine
Images: Waseda University










Studio Ghibli unveils new anime calendars and diary planners for 2027
Family Mart releases new Human Made Cup Noodle in Japan, with freebies for Nigo fans
Japan’s final Penguin Suica train cards have already shipped, and when they’re gone, they’re gone
Hobonichi unveils new 2027 planners, diaries and stationery with One Piece, Suica Penguin, Hello Kitty and a must-buy Mini Techo
Hikaru Utada sings new song in Shinkansen commercial for Japan’s Supreme Class cabins
Studio Ghibli unveils new anime calendars and diary planners for 2027
Family Mart releases new Human Made Cup Noodle in Japan, with freebies for Nigo fans
Japan’s final Penguin Suica train cards have already shipped, and when they’re gone, they’re gone
Hobonichi unveils new 2027 planners, diaries and stationery with One Piece, Suica Penguin, Hello Kitty and a must-buy Mini Techo
Hikaru Utada sings new song in Shinkansen commercial for Japan’s Supreme Class cabins
Mister Donut releases new doughnuts that look and taste like Japanese sweet potatoes
This Japanese 7-Eleven has the most expensive drinks, and item, we’ve even seen at the chain
Is Tokyo’s Odaiba, once one of its trendiest neighborhoods, becoming a ghost town? [Photos]
Farewell Final Ceremony announced for Tokyo’s life-size Gundam statue, will stream live
Foreign travelers arrested in Japan following smash-and-grab robbery in Tokyo shopping mall
Japan approves foreign resident visa renewal fee increases of up to 967 percent, starts soon
Japan tripled its departure tax to fund tourism but is using the money on cherry blossoms and bears
Nike x One Piece collection brings Devil Fruits to sneakers and streetwear in Japan
We recommend not buying one pack of Japan’s new convenience store corn soup-flavor fried chicken
Police in Japan looking for who’s responsible for dumping 80 loaves of bread on side of road [Video]
Japan’s double-decker portable rice cooker/bento maker is better than ever with new version
Nephew of Studio Ghibli director Hayao Miyazaki serves up Totoro Shaved Ice in Tokyo
12-year-old British girl who went missing in Tokyo found safe after visiting anime sites around Yokohama
7-year-old boy left behind on Mt. Fuji by his own dad
Air-conditioned dress shirts arrive in Japan to save working professionals from sweltering heat
Sushi Bus: Japan’s first conveyor-belt bus lets you eat sushi while sightseeing around Tokyo
Pokémon Center Online designates first Pokémon items that will require Japanese ID card to buy
Japanese toilet aims to attract foreign tourists but not everybody is happy about it
Tokyo’s newest viral dessert is like a Japanese parfait inside a bread bun [Taste test]
New Japanese vending machine at Shinkansen station sells cups of ice on platform
Study finds hundreds of people in Indonesia legally named after Naruto, Inuyasha, other anime stars
Japan announces sudden 400-percent increase in visa fees for foreigners entering the country
Japan’s human washing machines will go on sale to general public, demos to be held in Tokyo
Studio Ghibli has a new anime out, and there’s only one place in the world where you can see it
Starbucks Japan releases new drinkware and goods for Valentine’s Day
Starbucks Japan releases new sakura goods and drinkware for cherry blossom season 2026
Japan’s newest Shinkansen has no seats…or passengers [Video]
Tokyo subway installing new ticket gates that don’t accept payment through Suica or other IC cards
Japanese ninja certification exam attracts 131 candidates from Japan and abroad
Salomon releases Japan-exclusive Mt. Fuji hiking gear that doubles as an amazing souvenir
Put sesame oil in your coffee? Japanese maker says it’s the best way to start your day【Taste test】
Mister Donut releases new doughnuts that look and taste like Japanese sweet potatoes
This Japanese 7-Eleven has the most expensive drinks, and item, we’ve even seen at the chain
Is Tokyo’s Odaiba, once one of its trendiest neighborhoods, becoming a ghost town? [Photos]
Farewell Final Ceremony announced for Tokyo’s life-size Gundam statue, will stream live
Foreign travelers arrested in Japan following smash-and-grab robbery in Tokyo shopping mall
Pizza Hut Japan creates moon-viewing sukiyaki chrysanthemum pizza for tsukimi season
Tokyo’s Haneda Airport opens new Terminal 1 North Satellite next month
Mos Burger skips tsukimi burgers, crafts moon-viewing focaccia sausage sandwiches instead
Anime and Hollywood movies cross over in new Universal Studios Japan merch collection
Amid foreign sex tourist rise, Japanese government considering outlawing paying for prostitution
No, Japan’s prime minster did not make friends with a cockroach, despite what you may have heard
Godiva Japan hops into tsukimi season with bunny and moon-themed chocolate assortments
Nonstop flights from U.S. to Okinawa return after 54 years, making travel faster than before
Starbucks Japan adds a gooey sweet potato Frappuccino to its menu this autumn