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Digital Video and HDTV Algorithms and Interfaces
In human vision, the three-dimensional world is imaged by the lens of the eye onto the retina, which is populated with photoreceptor cells that respond to light having wavelengths ranging from about 400 nm to 700 nm. In video and in film, we build a camera having a lens and a photosensitive device, to mimic how the world is perceived by vision. Although the shape of the retina is roughly a section of a sphere, it is topologically two...
700 p dtu 15/11/2012 186 2
Từ khóa: Digital Video, photosensitive device, flat image, kỹ thuật số, công nghệ hình ảnh, kỹ thuật hình ảnh
Digital video quality vision models and metrics
Digital video quality vision models and metrics Humans are highly visual creatures. Evolution has invested a large part of our neurological resources in visual perception. We are experts at grasping visual environments in a fraction of a second and rely on visual information for many of our day-to-day activities. It is not surprising that, as our world is becoming more digital every day, digital images and digital video are becoming...
192 p dtu 07/11/2012 189 2
Từ khóa: visual information, Digital video quality, imaging systems, kỹ thuật số, hệ thống hình ảnh, chất lượng hình ảnh
If marketing folks want to breathe new life into an existing technology, the method du jour is to tack “digital” onto the name. Today we have digital cable, digital cell phones, digital fuel injection, and now, digital video. But unlike some other technologies that have recently earned the digital prefix, digital video isn’t just a minor improvement over the old way of doing things. Digital video is a revolution that is changing the way...
409 p dtu 07/11/2012 161 1
Từ khóa: Digital video, digital cell phones, kỹ thuật số, khoa học công nghệ, kỹ thuật video, công nghệ video