Twitter Inc said on Friday it will launch a competition for computer researchers and hackers to identify biases in its image-cropping algorithm, after a group of researchers previously found the algorithm tended to exclude black people and men.
The competition is part of a wider effort across the tech industry to ensure artificial intelligence technologies act ethically.
The social networking company said in a blog post that the bounty competition was aimed at identifying "potential harms of this algorithm beyond what we identified ourselves."
Following criticism in 2020 about image previews in posts excluding black people's faces, the company said in May a study by three of its machine learning researchers found the algorithm did in fact display “unequal treatment based on demographic differences."
It favoured women more highly than men by 8 per cent, and it favoured photos of white people over black individuals by 4 per cent, Twitter said. Within those demographics, white women were more highly favoured by 7 per cent compared with black women; and white men were favoured 2 per cent more than black men.
The analysis also delved into objectification biases – or the “male gaze” – after people on Twitter identified instances where cropping chose a woman’s chest or legs as a salient feature. However, they “did not find any evidence that the algorithm cropped images of men or women in areas other than their face at a significant rate".
To determine this, they gave the algorithm 100 randomly chosen images and found that only three centred on bodies over faces. It stated that "when images weren't cropped at the head, they were cropped to non-physical aspects of the image, such as a number on a sports jersey".
"We considered the trade-offs between the speed and consistency of automated cropping with the potential risks we saw in this research. One of our conclusions is that not everything on Twitter is a good candidate for an algorithm, and in this case, how to crop an image is a decision best made by people," Rumman Chowdhury, Twitter's director of software engineering, wrote in a blog post in May.
On Friday, Twitter released publicly the computer code that decides how images are cropped in the Twitter feed, and said participants are asked to find how the algorithm could cause harm, such as stereotyping or denigrating any group of people.
The winners will receive cash prizes ranging from $500 to $3,500 and will be invited to present their work at a workshop hosted by Twitter at Def Con in August, one of the largest hacker conferences held annually in Las Vegas.
– Additional reporting by Reuters
Abu Dhabi race card
5pm Abu Dhabi Fillies Classic Prestige | Dh110,000 | 1,400m
5.30pm Abu Dhabi Colts Classic Prestige | Dh110,000 | 1,400m
6pm Abu Dhabi Championship Listed | Dh180,000 | 1,600m
6.30pm Maiden | Dh80,000 | 1,600m
7pm Wathba Stallions Cup Handicap | Dh80,000 | 1,400m
7.30pm Handicap (TB) |Dh100,000 | 2,400m
if you go
Getting there
Etihad (Etihad.com), Emirates (emirates.com) and Air France (www.airfrance.com) fly to Paris’ Charles de Gaulle Airport, from Abu Dhabi and Dubai respectively. Return flights cost from around Dh3,785. It takes about 40 minutes to get from Paris to Compiègne by train, with return tickets costing €19. The Glade of the Armistice is 6.6km east of the railway station.
Staying there
On a handsome, tree-lined street near the Chateau’s park, La Parenthèse du Rond Royal (laparenthesedurondroyal.com) offers spacious b&b accommodation with thoughtful design touches. Lots of natural woods, old fashioned travelling trunks as decoration and multi-nozzle showers are part of the look, while there are free bikes for those who want to cycle to the glade. Prices start at €120 a night.
More information: musee-armistice-14-18.fr ; compiegne-tourisme.fr; uk.france.fr
Our family matters legal consultant
Name: Hassan Mohsen Elhais
Position: legal consultant with Al Rowaad Advocates and Legal Consultants.
In numbers: China in Dubai
The number of Chinese people living in Dubai: An estimated 200,000
Number of Chinese people in International City: Almost 50,000
Daily visitors to Dragon Mart in 2018/19: 120,000
Daily visitors to Dragon Mart in 2010: 20,000
Percentage increase in visitors in eight years: 500 per cent
MATCH INFO
Manchester United 6 (McTominay 2', 3'; Fernandes 20', 70' pen; Lindelof 37'; James 65')
Leeds United 2 (Cooper 41'; Dallas 73')
Man of the match: Scott McTominay (Manchester United)
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Killing of Qassem Suleimani
Killing of Qassem Suleimani
Auron Mein Kahan Dum Tha
Starring: Ajay Devgn, Tabu, Shantanu Maheshwari, Jimmy Shergill, Saiee Manjrekar
Director: Neeraj Pandey
Rating: 2.5/5
UAE currency: the story behind the money in your pockets
Killing of Qassem Suleimani
PFA Team of the Year: David de Gea, Kyle Walker, Jan Vertonghen, Nicolas Otamendi, Marcos Alonso, David Silva, Kevin De Bruyne, Christian Eriksen, Harry Kane, Mohamed Salah, Sergio Aguero
THE BIO
Age: 33
Favourite quote: “If you’re going through hell, keep going” Winston Churchill
Favourite breed of dog: All of them. I can’t possibly pick a favourite.
Favourite place in the UAE: The Stray Dogs Centre in Umm Al Quwain. It sounds predictable, but it honestly is my favourite place to spend time. Surrounded by hundreds of dogs that love you - what could possibly be better than that?
Favourite colour: All the colours that dogs come in
Killing of Qassem Suleimani
The Baghdad Clock
Shahad Al Rawi, Oneworld
Five expert hiking tips
Always check the weather forecast before setting off
Make sure you have plenty of water
Set off early to avoid sudden weather changes in the afternoon
Wear appropriate clothing and footwear
Take your litter home with you
Know before you go
- Jebel Akhdar is a two-hour drive from Muscat airport or a six-hour drive from Dubai. It’s impossible to visit by car unless you have a 4x4. Phone ahead to the hotel to arrange a transfer.
- If you’re driving, make sure your insurance covers Oman.
- By air: Budget airlines Air Arabia, Flydubai and SalamAir offer direct routes to Muscat from the UAE.
- Tourists from the Emirates (UAE nationals not included) must apply for an Omani visa online before arrival at evisa.rop.gov.om. The process typically takes several days.
- Flash floods are probable due to the terrain and a lack of drainage. Always check the weather before venturing into any canyons or other remote areas and identify a plan of escape that includes high ground, shelter and parking where your car won’t be overtaken by sudden downpours.
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