FFmpeg can compute various visual quality metrics such as PSNR, SSIM, and VMAF using two existing encodings in a separate command line after encoding has finished. This is okay for offline or VOD use cases, but not for livestreaming where we might want to compute quality metrics in real time.
For that, the bar is pretty high these days. "Photorealistic" fight scenes between Brad Pitt and Tom Cruise against an apocalyptic cityscape are generated out of nothing but a wish, and social media, smelling the cynical desperation, can offer no more than a clenched-teeth grimace. Within 48 hours the cold light of the epic battle has faded, leaving no residual heat.
，详情可参考新收录的资料
Kawasaki Robotics, driven by its purpose “Unlocking human ingenuity to create robotics that enrich the future” has long pursued the development of technologies that enable robots and people to coexist. The ultimate form of this coexistence is the humanoid robot—capable of moving on two legs and performing tasks with two arms, giving it the versatility necessary to take on work traditionally done by humans.
On 17 September 1908, he volunteered to ride as Orville’s passenger, becoming the first U.S. Army officer to fly in a powered airplane.
Passenger train services between China and North Korea are to resume this week, six years after their suspension because of the Covid-19 pandemic, travel operators have said.