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Phones / Xiaomi Explains The Technology Behind Mi 10 Ultra's Chart Topping Camera by darikker: 2:41pm On Aug 26, 2020
The Xiaomi Mi 10 Ultra currently reigns over the DxOMark charts, which Xiaomi is particularly proud about. The team behind the commemorative phone has published a detailed account of how the cameras operate to achieve the best-in-class performance.

The main camera has a 48 MP 1/1.32” sensor that can do on-chip single-frame HDR processing. Basically, pixels are grouped into three categories: short, medium and long exposure. Then those are merged into an HDR signal as the sensor reads out the image line by line.

The Mi 10 Ultra is Xiaomi’s first phone that can record HDR10 video, thanks to this on-sensor processing. It also has a rare 8P lens design – a lens with eight elements, which reduces aberrations as much as possible. Each element added to the lens makes it exponentially trickier (and more expensive) to produce.

Perfecting the telephoto camera was a challenge as well. It has an IMX586 sensor also with 48 MP resolution, but it’s too large – 1/2.32”. It would have made the module too thick to fit into the frame of the phone, so Xiaomi had to use a D-cut lens to slim it down. D-cut lenses make optical image stabilization more difficult, however, so it took several iterations until the engineers got it just right.

The ultrawide-angle lens has a 128° field of view. It uses a 7P lens again to minimize distortion, especially around the edges of the image (it also minimizes vignetting). Reducing distortion in the lens helps improve the resolution as otherwise the distortion would have to be corrected in software.

Xiaomi has several R&grin centers around the world: in Beijing, Shanghai, Shenzhen, Nanjing, Tokyo, Santiago, Bangalore, Paris and Tampere. Those have been tasked with developing and improving the hardware and software of Mi phones and this is the result of their labors.

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Webmasters / Nethserver 7.7 Cockpit Edition Linux OS Arrives With Nextcloud 17, UI Changes by darikker: 8:33am On Nov 10, 2019
NethServer's Alessio Fattorini informs Softpedia today on the general availability of the Cockpit Edition of the NethServer 7.7 server-oriented, Linux-based operating system.

NethServer 7.7, which is based on CentOS Linux 7.7, ships with the Cockpit software, which is now complete and available by default on new installations, making server administration easier with a modern, redesigned and user-friendly web UI, as well as improved usability and new features.

"We're confident that it will be as always a great release and it will achieve our mission: making sysadmin’s life easier. This is thanks to the most vibrant, supportive and friendly community in the Open Source space (and not only Open Source)," said Alessio Fattorini in the release announcement.
"What's new in NethServer 7.7"

Highlights of NethServer 7.7 include new interface and stats for VPNs, new interface for firewall panel and dashboard, new interface for Fail2ban and Web Proxy, new dashboard for audit integration, fileserver, and stats on shared folders, a new way to manage multiple backups and restore, and a new NextCloud panel.

It also implements a new panel for NUT and UPS, new system reports, new Apache integration and welcome page, a new Applications page, as well as updated components, among which we can mention Nextcloud 16.0.5, Mattermost 5.15, and WebTop Groupware 5.7.3.

NethServer 7.7 is available to download for free right now from the official website. Based on CentOS Linux, NethServer is an open-source, flexible, secure, and simplee server-oriented operating system designed for small offices, medium enterprises, and home server.

Existing NethServer 7.x users can upgrade their community installations to NethServer 7.7 through the Software Center app. NethServer also released automatic upgrades to NethServer 7.7 for all subscribed users.

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