Technology The hidden smartphone data that turns your photos into digital fingerprints
Here are the new phones and trends from Mobile World Congress 2018
Couldn't make it to Barcelona? No worries. Here's what you need to see. The biggest release of MWC 2018 is Samsung’s new Galaxy S9. It’s not wildly different from the S8 that came before it, but it has an improved camera with a wider aperture for better low-light shooting, as well as improved digital assistant performance from its proprietary Bixby platform. If you want all the details, check out our announcement post.
Technology is getting more advanced by the day, and this scary discovery shows you don’t really know how much information you’re carrying in your pocket.
Did you know smartphone cameras carry so much information, digital forensic teams are able to detect child exploitation material, digital forgeries
Every image you take with your smartphone has a unique pattern of noise which identifies every individual camera unit.
This “noise” is known as photo-response non-uniformity (PRNU
Xiaomi could enter the US smartphone market before the end of 2018
Competition between Android smartphone makers is about to get even more heated in the United States as The Wall Street Journal reports that Chinese vendor Xiaomi might begin selling phones in the US in 2018. Xiaomi has already moved into India, Southeast Asia, and even Spain in recent years, but the US would be a massive step.“We’ve always been considering entering the U.S. market,” Xiaomi Chairman Lei Jun reportedly said during China’s annual legislative session in Beijing. “We plan to start entering the market by end 2018, or by early 2019.
Your photos already carry a tonne of information. An image’s metadata records things like the aperture and exposure used, the picture’s location and the camera’s make and model.
But this PRNU noise is able to tell two cameras apart from the same phone model.
It’s not yet clear if post-image processing, like Instagram filters or photoshop tweaks, affects an image’s unique PRNU. But PRNU does remain resilient against Facebook uploading, which strips the metadata from pictures as you upload them for privacy purposes.
However, if you think Facebook is the “safe” option, think again. In 2015, Facebook filed a patent for a technology which uses lens scratches, dirt and pixel flaws to help people find new friends.
So basically, if Facebook detects the same spec of dust in two separate photographs, the software assumes both snaps might have been taken by the same camera, therefore, those two people may know each other.
Internet Census 2020 Could Improve Accuracy Among Some Populations .
Taking the census online means some traditionally undercounted groups are easier to reach, while others may be less likely to self-respond.The census is moving online in 2020.
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