Consumer & Gadgets
Someone wearing augmented reality (AR) or "smart" glasses could be Googling your face, turning you into a cat or recording your conversation—and that creates a major power imbalance, said Cornell researchers.
Aug 28, 2023
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Robotics
Motion capture (mocap) systems, technologies that can detect and record the movements of humans, animals and objects, are widely used in various settings. For instance, they have been used to shoot movies, to create animations ...
Security
Firms using facial recognition in China will be required to obtain consent or legal permission before collecting personal information, draft regulations released Tuesday said, while stipulating the rules would not apply to ...
Aug 8, 2023
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1
Electronics & Semiconductors
A research team consisting of the National Institute for Materials Science (NIMS) and the Tokyo University of Science has developed the fastest electric double layer transistor using a highly ion-conductive ceramic thin film ...
Aug 3, 2023
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Machine learning & AI
As the U.S. Coast Guard (USCG) icebreaker Healy takes part in a voyage across the North Pole this summer, it is capturing images of the Arctic to further the study of this rapidly changing region. Lincoln Laboratory researchers ...
Jul 24, 2023
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Hi Tech & Innovation
Vision depends on light entering the eyes through the transparent tissues of the cornea, pupil and lens. When the light reaches the retina, photoreceptors produce signals and transmit them via the optical nerve to the brain, ...
Electronics & Semiconductors
There will soon be a new tool to fight global warming with the development of lightweight flexible light sensors that can simultaneously image across a wide spectral range, from the visible to the infrared, with minimal optical ...
Jun 22, 2023
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Other
The journey to the ocean floor to reach the wreck of the Titanic is one that gets relentlessly colder and darker, says one of the handful of people who have ever visited the luxury liner's watery grave.
Jun 22, 2023
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Engineering
Like something out of a spy movie, thermal cameras make it possible to "see" heat by converting infrared radiation into an image. They can detect infrared light given off by animals, vehicles, electrical equipment and even ...
Jun 8, 2023
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Business
AI tech that spots "undesirable" behavior and long-distance facial recognition software were on show Thursday at a Beijing expo attended by hundreds of companies—many blacklisted by the United States for their alleged role ...
Jun 8, 2023
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A camera is a device that records images, either as a still photograph or as moving images known as videos or movies. The term comes from the camera obscura (Latin for "dark chamber"), an early mechanism of projecting images where an entire room functioned as a real-time imaging system; the modern camera evolved from the camera obscura.
Cameras may work with the light of the visible spectrum or with other portions of the electromagnetic spectrum. A camera generally consists of an enclosed hollow with an opening (aperture) at one end for light to enter, and a recording or viewing surface for capturing the light at the other end. A majority of cameras have a lens positioned in front of the camera's opening to gather the incoming light and focus all or part of the image on the recording surface. The diameter of the aperture is often controlled by a diaphragm mechanism, but some cameras have a fixed-size aperture.
A typical still camera takes one photo each time the user presses the shutter button. A typical movie camera continuously takes 24 film frames per second as long as the user holds down the shutter button.
This text uses material from Wikipedia, licensed under CC BY-SA
