It's been around 18 months now since we relaunched our Patreon as the Digital Foundry Supporter Program - and I wanted …
- and I wanted to take the opportunity to tell you what we've achieved in that time and where we aim to go next with the aid of your backing.
Rich, John and Alex are on hand here to discuss how the Digital Foundry Supporter Program has changed and improved the channel - and to talk about where we want to go next. On top of that, there's a wealth of bonus material, behind the scenes videos and other goodies we think have value - like, how about 4K 120fps capture of DLSS 3 in action? How about DLSS 3 generated frames vs 'native' frames? How about 20 minute Warzone 2.0 performance captures with up to four platforms running simultaneously? What about the time I bought an 8K to 4K scaler? There's a video on that too and it's embedded below.
An example of a behind-the-scenes video from the Premium Support tier. Here, Rich talks about an interesting piece of kit from Amazon that uses hardware downscaling to convert an 8K 60Hz HDMI 2.1 feed into 4K 60Hz HDMI 2.0, opening the door to video-based 8K performance analysis.
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DF Direct Weekly on The Callisto Protocol - and Nintendo's Pokémon performance promiseThe latest DF Direct Weekly is live, with the digitalfoundry team discussing The Callisto Protocol and NIntendo's pledge to improve Pokémon Scarlet/Violet's performance problems.
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Samuel Eto'o speaks out on 'violent altercation' with individual who was 'probably an Algerian supporter'Former FC Barcelona striker Samuel Eto'o has apologised after he was involved in a 'violent altercation' with a fan after Brazil's win over South Korea.
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Tom Parker’s wife Kelsey suffers more heartbreak as grandfather diesKelsey Parker has paid tribute to her beloved grandfather who has died.
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Contactless Blood Pressure Estimation System Using a Computer Vision SystemBlood pressure (BP) is one of the most common vital signs related to cardiovascular diseases. BP is traditionally measured by mercury, aneroid, or digital sphygmomanometers; however, these approaches are restrictive, inconvenient, and need a pressure cuff to be attached directly to the patient. Therefore, it is clinically important to develop an innovative system that can accurately measure BP without the need for any direct physical contact with the people. This work aims to create a new computer vision system that remotely measures BP using a digital camera without a pressure cuff. The proposed BP system extracts the optical properties of photoplethysmographic signals in two regions in the forehead captured by a digital camera and calculates BP based on specific formulas. The experiments were performed on 25 human participants with different skin tones and repeated at different times under ambient light conditions. Compared to the systolic/diastolic BP readings obtained from a commercial digital sphygmomanometer, the proposed BP system achieves an accuracy of 94.6% with a root mean square error (RMSE) of 9.2 mmHg for systolic BP readings and an accuracy of 95.4% with an RMSE of 7.6 mmHg for diastolic BP readings. Thus, the proposed BP system has the potential of being a promising tool in the upcoming generation of BP monitoring systems.
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'I spotted my doppelganger in the crowd - help me find him'A footy fan couldn’t believe his eyes when he was casually watching the World Cup and spotted his spitting double chanting in the crown. Let's see if we unite Steve from Norwich with his 'Dutch twin'.
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