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A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies.The DCT, first proposed by Nasir Ahmed in 1972, is a widely used transformation technique in signal processing and data compression.
Digital cinema is the digital technology used within the film industry to distribute or ... The DCT was adapted into the MDCT by J.P. Princen, A ... Pros and cons ...
The 2009 Honda VFR1200F is the first motorcycle to use a DCT. [52] Honda has since expanded the application of the DCT to the Gold Wing model (model year 2018), the Africa Twin, the NT1100, Rebel 1100, and the NC700XD (model year 2012). In 2010, the Mitsubishi Fuso 6-speed Duonic transmission became the first DCT to be used in a truck. [53]
DCT (videocassette format), a videocassette format developed by Ampex Discovery Channel Telescope , former name of the Lowell Discovery Telescope, US Dual-clutch transmission , a vehicle technology which allows gears to be selected in fully manual or automatic mode
Trellis quantization is an algorithm that can improve data compression in DCT-based encoding methods. It is used to optimize residual DCT coefficients after motion estimation in lossy video compression encoders such as Xvid and x264. Trellis quantization reduces the size of some DCT coefficients while recovering others to take their place.
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An important development in digital image compression technology was the discrete cosine transform (DCT), a lossy compression technique first proposed by Nasir Ahmed while he was working at the Kansas State University in 1972. [13] DCT compression is used in the JPEG image standard, which was introduced by the Joint Photographic Experts Group ...
Schematic of a DCT. A dual-clutch transmission (DCT, sometimes referred to as a twin-clutch transmission, or double-clutch transmission) uses two separate clutches for odd and even gear sets. [37] The design is often similar to two separate manual transmissions with their respective clutches contained within one housing, and working as one unit.