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Up-sampling Dependent Frame Rate Reduction for Low Bit-rate Video Coding
Up-sampling Dependent Frame Rate Video Coding
2011/7/24
In low bit rate video coding, the frame rate of input sequence can be reduced to the half or even smaller portion by skipping or deleting frames before compression, and then the temporal resolution is...
Symmetrical 2-D Hermite-Gaussian Square Launch for High Bit Rate Transmission in Multimode Fiber Links
Fiber optics communication Fiber properties
2011/5/26
A 2-D Hermite-Gaussian square launch is demonstrated to show improved systems capacity over multimode fiber links. It shows a bandwidth improvement over both center and offset launches and exhibits ±5...
1.3 μm all-VCSEL low complexity coherent detection scheme for high bit rate and high splitting ratio PONs
Fiber optics communications Vertical cavity surface emitting lasers Coherent
2011/5/21
Full 1.3 μm VCSEL-based simplified coherent detection receiver is demonstrated at 5 Gbps. Receiver sensitivity of -34 dBm is achieved providing link reach and splitting ratio extension for future pass...
Impairment-aware PCE in multi bit-rate 10-100 Gb/s WSON with experimental demonstration
Impairment-aware PC 10-100 Gb/s WSON experimental demonstration
2011/5/21
Two impairment-aware PCE architectures suitable for multi bit-rate WSONs are presented. Experimental demonstration is provided on a real testbed including detrimental XPM effects among 10Gb/s OOK and ...
Delay-Asymmetric Nonlinear Loop Mirror for Bit-Rate Variable RZ-to-NRZ Format Conversion
Delay-Asymmetric Nonlinear Loop Mirror it-Rate Variable RZ-to-NRZ Format Conversion
2011/5/15
We demonstrate RZ-to-NRZ pulse format conversion at tunable bit-rates using a delay-asymmetric nonlinear loop mirror. The input RZ-OOK signals are converted to NRZ-OOK signals with a power penalty les...
A LOW BIT RATE VOCABULARY CODING SCHEME FOR MOBILE LANDMARK SEARCH
landmark search mobile visual search visual vocabulary boosting, compact visual descriptor
2010/7/24
We present a low bit rate vocabulary coding scheme in thecontext of mobile landmark search. Our scheme exploits location cues to boost a compact subset of visual vocabulary,which is discriminative for...
A LOW BIT RATE VOCABULARY CODING SCHEME FOR MOBILE LANDMARK SEARCH
landmark search mobile visual search visual vocabulary boosting, compact visual descriptor
2010/7/24
We present a low bit rate vocabulary coding scheme in thecontext of mobile landmark search. Our scheme exploits location cues to boost a compact subset of visual vocabulary,which is discriminative for...
SORTING LOCAL DESCRIPTORS FOR LOW BIT RATE MOBILE VISUAL SEARCH
mobile visual search compressive visual descriptors sorting, lossy compression
2010/7/24
State-of-the-art mobile visual search systems put emphasis ondeveloping compact visual descriptors [4][6], which enableslow bit rate wireless transmission instead of delivering an entire query image. ...
Low Bit-rate Image Coding via Interpolation Oriented Adaptive Down-sampling
Low Bit-rate Image Coding Interpolation Oriented Adaptive Down-sampling
2010/6/30
An interpolation oriented adaptive down-sampling algorithm is proposed for low bit-rate image coding in this paper.Given an image, the proposed algorithm is able to obtain a low resolution image, from...
Optical Packet Ring Network Offering Bit Rate and Modulation Formats Transparency
All-optical networks Switching packet
2010/6/10
We demonstrate the feasibility of a bit rate transparent ring packet network based on a Packet-OADM technology. A lab network has been successfully evaluated at 10, 40 and 100G.
Very High Bit Rate Transmission for NGPON using AMOOFDM Direct Modulation of Linear Laser
Fiber optics communications Modulation
2010/6/9
Experimental demonstration of a bit rate as high as 32 Gbit/s is achieved over 20 km SMF for NGPON in a temperature range of 5°C-60°C using AMOOFDM direct modulation of a linear laser.
Demonstration of Bit Rate Variable ROADM functionality on an Optical OFDM Superchannel
Coherent communications Multiplexing
2010/6/9
We demonstrate a bit rate variable add- and drop function performed on an optical OFDM superchannel signal by optical filtering and superposition of OFDM subbands and the application of different modu...
Bit-Rate Tunable Clock Recovery of NRZ-DPSK Signal Based on Delay-Asymmetric Nonlinear Loop Mirror and Stimulated Brillouin Scattering Loop
Nonlinear optical signal processing Scattering stimulated Brillouin Nonlinear optics four-wave mixing
2010/6/8
We demonstrate bit-rate tunable clock recovery of NRZ-DPSK signal. The signal is converted to RZ-OOK by demodulation and by phase erasure. Recovered clock signals from 4 to 13 GHz are obtained through...
Ge on Si p-i-n Photodiodes for a Bit Rate of up to 25 Gbit/s
Ge on Si p-i-n Photodiodes Bit Rate
2009/7/20
Ge on Si p-i-n photodiodes are characterized on wafer in the time domain at a wavelength of 1550 nm.The photodiode output signal is sampled by a flip flop. At a bit rate of 25 Gbit/s and a Pseudo Rand...
High Bit Rate Transmission for NG-PON by Direct Modulation of DFB Laser using Discrete Multi-Tone
Transmission NG-PON Direct Modulation DFB Discrete Multi-Tone
2009/7/16
A bit rate as high as 19Gbit/s transmission was experimentally demonstrated for NG-PON without chromatic dispersion compensation by direct modulation of DFB laser using DMT signal combined with adapti...