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Article
Hidden diversity of powdery mildews belonging to the recently re-discovered genus Salmonomyces
Powdery mildew on various Acalypha spp. has previously been assigned to Erysiphe acalyphae (≡ Uncinula acalyphae). In a recently published phylogenetic-taxonomic reassessment, it has been revealed that sequences ...
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Article
Open AccessMercury distribution in the surface soil of China is potentially driven by precipitation, vegetation cover and organic matter
Understanding the mechanism of Hg accumulation in soil, which is a net Hg sink, at a national scale is important for protecting the environment and improving food safety. The mercury (Hg) distribution in surfa...
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Article
Open AccessVersatile Functionalization of Carbon Nanomaterials by Ferrate(VI)
Various forms of carbon nanomaterials are selected as substrates to clear the mist in understanding the reactivity/utility of ferrate(VI) in oxidizing carb...
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Article
Open AccessBand-like transport in small-molecule thin films toward high mobility and ultrahigh detectivity phototransistor arrays
With the fast development of organic electronics, organic semiconductors have been extensively studied for various optoelectronic applications, among which organic phototransistors recently emerged as one of t...
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Chapter
Conceptualizing How Severe Haze Events Are Impacting Long-Term Satellite-Based Trend Studies of Aerosol Optical Thickness over Asia
Error budgets derived for aerosol trend analysis from satellite-based datasets always consider sensor calibration, cloud contamination, and sampling scale. Here, we also consider and characterize an additional...
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Article
Interference coordination in full-duplex HetNet with large-scale antenna arrays
Massive multiple-input multiple-output (MIMO), small cell, and full-duplex are promising techniques for future 5G communication systems, where interference has become the most challenging issue to be addressed...
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Article
Coherent control of dressed images of four-wave mixing
In two-level as well as V-type three-level atomic systems, we study probe transmission, four-wave mixing (FWM) and fluorescence signals with dressing effect experimentally and theoretically. We find both the h...
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Chapter and Conference Paper
Fast Segment-Based Algorithm for Multi-view Depth Map Generation
A fast segment-based algorithm for multi-view depth map generation is proposed in this paper. Firstly, the reference image is segmented by mean-shift algorithm and then an adaptive matching method is presented...
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Article
Serial decoding of rateless code over noisy channels
Rateless code usually generates a potentially infinite number of coded packets at the encoder and collects enough packets at the decoder to ensure reliable recovery of multiple information packets. The convent...
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Article
Centralized and distributed resource allocation in OFDM based multi-relay system
In the presence of multiple non-regenerative relays, we derived optimal joint power allocation, relay selection, and subchannel pairing schemes in orthogonal frequency division multiplexing (OFDM) based wirele...
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Article
Cooperative spectrum sensing in cognitive radio systems with limited sensing ability
In cognitive radio systems, the design of spectrum sensing has to face the challenges of radio sensitivity and wide-band frequency agility. It is difficult for a single cognitive user to achieve timely and acc...
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Article
An improved spatio-temporal-SNR FGS video coding scheme using motion compensation on enhancement layers
In this paper an effective MC + FGSST structure is explored, which is appropriate for scalable video coding. The structure obtains spatio-temporal-SNR fine granular scalability, and achieves high coding effici...
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Article
Fast mode decision for inter macroblocks in H.264/AVC
In this paper, a fast mode decision algorithm for inter macroblocks in H.264/AVC is proposed. The algorithm is able to classify all modes by both gradient operator and comparison of space-time correlation. Bec...
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Article
A novel transmission energy minimization algorithm based on fine granularity scalability
This paper proposes an optimal solution to choose the number of enhancement layers in fine granularity scalability (FGS) scheme under the constraint of minimum transmission energy, in which FGS is combined wit...
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Article
An improved MDC-based ORB-DCT method for video streaming over the internet
One of the most interesting questions of video streaming over the Internet is packet loss. Some error resilient technologies have been proposed to overcome quality decrease of reconstructed video occurred due ...
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Chapter and Conference Paper
Extended Application of Scalable Video Coding Methods
SP(Synchronization-Predictive) frame coding, which enables high efficiency of switching between two video bitstreams with different qualities, is supported by H.264/AVC. And FGS(Fine-Granular-Scalability) codi...
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Article
A novel OFDM transmission scheme with length-adaptive Cyclic Prefix
Conventional OFDM transmission system uses a fixed-length Cyclic Prefix to counteract Inter-Symbol Interferences (ISI) caused by channel delay spreading under wireless mobile environment. This may cause consid...
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Article
Initial object segmentation for video object plane generation using cellular neural networks
MPEG-4 is a basic tool for interactivity and manipulation of video sequences. Video object segmentation is a key issue in defining the content of any video sequence, which is often divided into two steps: init...
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Article
A modified vertex-based shape coding algorithm
This paper proposes a modified shape coding algorithm called modified vertex-based shape coding (MVBSC) to encode the boundary of a visual object compactly by using a modified polygonal approximation approach ...
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Article
Extracting moving objects based on morphological motion filter
This paper presents a new approach to the extraction of a moving object from video sequence. The method is based on morphological motion filter using connected operator and a proposed new filtering criterion. ...
