Twitter is removing its image-cropping algorithm after a review found bias in the automated system.
On Wednesday, the social media platform announced that it had analysed the algorithm after getting feedback that it "didn't serve all people equitably".
After reviewing the model over several months, it discovered that the image-cropping algorithm chose points of focus on pictures, which Twitter calls the saliency, and found occasional instances of bias in cropped pictures in favour of women and lighter skin tones.
According to findings, there was an 8 per cent difference from demographic parity in favour of women, 4 per cent difference in favour of white individuals overall, while comparisons of white and black women showed a difference of 7 per cent in favour of white women. In comparisons of black and white men, there was a 2 per cent difference in favour of white 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".
Twitter launched the saliency algorithm in 2018 to crop images to improve consistency in the size of photos and allow viewers to see more tweets in one glance.
However, considering the controversial findings, they are dropping the feature to “give people more control over how their images appear while also improving the experience of people seeing the images in their timeline".
In a blog post, Rumman Chowdhury, Twitter's director of software engineering, said that "even if the saliency algorithm was adjusted to reflect perfect equality across race and gender subgroups, they were concerned by representation harm of the automated algorithm when people weren't allowed to represent themselves as they wish".
"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."
The news comes a month after Twitter announced it was launching an initiative to analyse its algorithm fairness on social media.
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Groom and Two Brides
Director: Elie Semaan
Starring: Abdullah Boushehri, Laila Abdallah, Lulwa Almulla
Rating: 3/5
Real estate tokenisation project
Dubai launched the pilot phase of its real estate tokenisation project last month.
The initiative focuses on converting real estate assets into digital tokens recorded on blockchain technology and helps in streamlining the process of buying, selling and investing, the Dubai Land Department said.
Dubai’s real estate tokenisation market is projected to reach Dh60 billion ($16.33 billion) by 2033, representing 7 per cent of the emirate’s total property transactions, according to the DLD.
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The specs
Engine: Four electric motors, one at each wheel
Power: 579hp
Torque: 859Nm
Transmission: Single-speed automatic
Price: From Dh825,900
On sale: Now
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Who was Alfred Nobel?
The Nobel Prize was created by wealthy Swedish chemist and entrepreneur Alfred Nobel.
- In his will he dictated that the bulk of his estate should be used to fund "prizes to those who, during the preceding year, have conferred the greatest benefit to humankind".
- Nobel is best known as the inventor of dynamite, but also wrote poetry and drama and could speak Russian, French, English and German by the age of 17. The five original prize categories reflect the interests closest to his heart.
- Nobel died in 1896 but it took until 1901, following a legal battle over his will, before the first prizes were awarded.
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Killing of Qassem Suleimani
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Company profile
Company: Eighty6
Date started: October 2021
Founders: Abdul Kader Saadi and Anwar Nusseibeh
Based: Dubai, UAE
Sector: Hospitality
Size: 25 employees
Funding stage: Pre-series A
Investment: $1 million
Investors: Seed funding, angel investors
Haemoglobin disorders explained
Thalassaemia is part of a family of genetic conditions affecting the blood known as haemoglobin disorders.
Haemoglobin is a substance in the red blood cells that carries oxygen and a lack of it triggers anemia, leaving patients very weak, short of breath and pale.
The most severe type of the condition is typically inherited when both parents are carriers. Those patients often require regular blood transfusions - about 450 of the UAE's 2,000 thalassaemia patients - though frequent transfusions can lead to too much iron in the body and heart and liver problems.
The condition mainly affects people of Mediterranean, South Asian, South-East Asian and Middle Eastern origin. Saudi Arabia recorded 45,892 cases of carriers between 2004 and 2014.
A World Health Organisation study estimated that globally there are at least 950,000 'new carrier couples' every year and annually there are 1.33 million at-risk pregnancies.
Squads
Pakistan: Sarfaraz Ahmed (c), Babar Azam (vc), Abid Ali, Asif Ali, Fakhar Zaman, Haris Sohail, Mohammad Hasnain, Iftikhar Ahmed, Imad Wasim, Mohammad Amir, Mohammad Nawaz, Mohammad Rizwan, Shadab Khan, Usman Shinwari, Wahab Riaz
Sri Lanka: Lahiru Thirimanne (c), Danushka Gunathilaka, Sadeera Samarawickrama, Avishka Fernando, Oshada Fernando, Shehan Jayasuriya, Dasun Shanaka, Minod Bhanuka, Angelo Perera, Wanindu Hasaranga, Lakshan Sandakan, Nuwan Pradeep, Isuru Udana, Kasun Rajitha, Lahiru Kumara
UAE rugby in numbers
5 - Year sponsorship deal between Hesco and Jebel Ali Dragons
700 - Dubai Hurricanes had more than 700 playing members last season between their mini and youth, men's and women's teams
Dh600,000 - Dubai Exiles' budget for pitch and court hire next season, for their rugby, netball and cricket teams
Dh1.8m - Dubai Hurricanes' overall budget for next season
Dh2.8m - Dubai Exiles’ overall budget for next season
MATCH INFO
Quarter-finals
Saturday (all times UAE)
England v Australia, 11.15am
New Zealand v Ireland, 2.15pm
Sunday
Wales v France, 11.15am
Japan v South Africa, 2.15pm
How it works
A $10 hand-powered LED light and battery bank
Device is operated by hand cranking it at any time during the day or night
The charge is stored inside a battery
The ratio is that for every minute you crank, it provides 10 minutes light on the brightest mode
A full hand wound charge is of 16.5minutes
This gives 1.1 hours of light on high mode or 2.5 hours of light on low mode
When more light is needed, it can be recharged by winding again
The larger version costs between $18-20 and generates more than 15 hours of light with a 45-minute charge
No limit on how many times you can charge
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Rugby World Cup (all times UAE)
Third-place play-off: New Zealand v Wales, Friday, 1pm
Final: England v South Africa, Saturday, 1pm
Full Party in the Park line-up
2pm – Andreah
3pm – Supernovas
4.30pm – The Boxtones
5.30pm – Lighthouse Family
7pm – Step On DJs
8pm – Richard Ashcroft
9.30pm – Chris Wright
10pm – Fatboy Slim
11pm – Hollaphonic
GROUPS AND FIXTURES
Group A
UAE, Italy, Japan, Spain
Group B
Egypt, Iran, Mexico, Russia
Tuesday
4.15pm: Italy v Japan
5.30pm: Spain v UAE
6.45pm: Egypt v Russia
8pm: Iran v Mexico
THE SPECS
Range Rover Sport Autobiography Dynamic
Engine: 5.0-litre supercharged V8
Transmission: six-speed manual
Power: 518bhp
Torque: 625Nm
Speed: 0-100kmh 5.3 seconds
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ARSENAL IN 1977
Feb 05 Arsenal 0-0 Sunderland
Feb 12 Manchester City 1-0 Arsenal
Feb 15 Middlesbrough 3-0 Arsenal
Feb 19 Arsenal 2-3 West Ham
Feb 26 Middlesbrough 4-1 Arsenal (FA Cup)
Mar 01 Everton 2-1 Arsenal
Mar 05 Arsenal 1-4 ipswich
March 08 Arsenal 1-2 West Brom
Mar 12 QPR 2-1 Arsenal
Mar 23 Stoke 1-1 Arsenal
Apr 02 Arsenal 3-0 Leicester
MATCH INFO
Manchester United 1 (Greenwood 77')
Everton 1 (Lindelof 36' og)
Killing of Qassem Suleimani
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What is Bitcoin?
Bitcoin is the most popular virtual currency in the world. It was created in 2009 as a new way of paying for things that would not be subject to central banks that are capable of devaluing currency. A Bitcoin itself is essentially a line of computer code. It's signed digitally when it goes from one owner to another. There are sustainability concerns around the cryptocurrency, which stem from the process of "mining" that is central to its existence.
The "miners" use computers to make complex calculations that verify transactions in Bitcoin. This uses a tremendous amount of energy via computers and server farms all over the world, which has given rise to concerns about the amount of fossil fuel-dependent electricity used to power the computers.
UAE Tour 2020
Stage 1: The Pointe Palm Jumeirah - Dubai Silicon Oasis, 148km
Stage 2: Hatta - Hatta Dam, 168km
Stage 3: Al Qudra Cycle Track - Jebel Hafeet, 184km
Stage 4: Zabeel Park - Dubai City Walk, 173km
Stage 5: Al Ain - Jebel Hafeet, 162km
Stage 6: Al Ruwais - Al Mirfa, 158km
Stage 7: Al Maryah Island - Abu Dhabi Breakwater, 127km
RACE CARD
5pm: Handicap (PA) Dh70,000 1,400m
5.30pm: Handicap (TB) Dh70,000 1,000m
6pm: Maiden (PA) Dh70,000 2,000m
6.30pm: Handicap (PA) Dh70,000 2,000m
7pm: Maiden (PA) Dh70,000 1,600m
7.30pm: Al Ain Mile Group 3 (PA) Dh350,000 1,600m
8pm: Handicap (PA) Dh70,000 1,600m
Amith's selections:
5pm: AF Sail
5.30pm: Dahawi
6pm: Taajer
6.30pm: Pharitz Oubai
7pm: Winked
7.30pm: Shahm
8pm: Raniah
On racial profiling at airports
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RESULTS
Tottenham 1
Jan Vertonghen 13'
Norwich 1
Josip Drmic 78'
2-3 on penalties
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PRO BASH
Thursday’s fixtures
6pm: Hyderabad Nawabs v Pakhtoon Warriors
10pm: Lahore Sikandars v Pakhtoon Blasters
Teams
Chennai Knights, Lahore Sikandars, Pakhtoon Blasters, Abu Dhabi Stars, Abu Dhabi Dragons, Pakhtoon Warriors and Hyderabad Nawabs.
Squad rules
All teams consist of 15-player squads that include those contracted in the diamond (3), platinum (2) and gold (2) categories, plus eight free to sign team members.
Tournament rules
The matches are of 25 over-a-side with an 8-over power play in which only two fielders allowed outside the 30-yard circle. Teams play in a single round robin league followed by the semi-finals and final. The league toppers will feature in the semi-final eliminator.
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How the UAE gratuity payment is calculated now
Employees leaving an organisation are entitled to an end-of-service gratuity after completing at least one year of service.
The tenure is calculated on the number of days worked and does not include lengthy leave periods, such as a sabbatical. If you have worked for a company between one and five years, you are paid 21 days of pay based on your final basic salary. After five years, however, you are entitled to 30 days of pay. The total lump sum you receive is based on the duration of your employment.
1. For those who have worked between one and five years, on a basic salary of Dh10,000 (calculation based on 30 days):
a. Dh10,000 ÷ 30 = Dh333.33. Your daily wage is Dh333.33
b. Dh333.33 x 21 = Dh7,000. So 21 days salary equates to Dh7,000 in gratuity entitlement for each year of service. Multiply this figure for every year of service up to five years.
2. For those who have worked more than five years
c. 333.33 x 30 = Dh10,000. So 30 days’ salary is Dh10,000 in gratuity entitlement for each year of service.
Note: The maximum figure cannot exceed two years total salary figure.
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Power: 261hp at 5,500rpm
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Fuel consumption: 6.9L/100km
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