Chengrong Huang

National Kaohsiung University of Science and Technology

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Moon Ho Lee

Yonsei University

Ying Guo

Beijing University of Posts and Telecommunications

Lizhong Xu

Southeast University

Ying Guo

Central South University

Xiaofeng Ding

Anhui Medical University

Aiye Shi

Hohai University

Clement T Gyamfi

Yangye Liu

Central South University

H.-J. Cho

National Yang Ming Chiao Tung University

Xiaofang Li

Xidian University

Cooperative Institutions

Hohai University

Jeonbuk National University

Central South University

Shaoyang University

Ministry of Water Resources of the People's Republic of China

The University of Texas at Austin

Chonbuk National University Hospital

Beijing University of Posts and Telecommunications

Air Force Engineering University

Shanghai Jiao Tong University

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High-Rate Full-Diversity Space-Time-Frequency Codes with Partial Interference Cancellation Decoding

International Conference on Computer Science and Electronics Engineering (2012)

Chengrong Huang Ying Guo Moon Ho Lee

In this paper, a simple design of a linear dispersive space-time-frequency (STF) code is proposed with a design criterion to achieve high rate for frequency-selective channels in terms of multipath when the partial interference cancellation (PIC) group decoding is applied at receiver. With an appropriate grouping scheme as well as the PIC group decoding, the proposed STF code is shown to obtain the similar diversity gain as the maximum likelihood (ML) decoding, namely full-dimensional sphere decoding, but have a low decoding complexity. It seems as an intermediate decoding between the ML receiver and zero-forcing (ZF) receiver. The proposed grouping design criterion for the PIC group decoding to achieve full diversity deploying the orthogonal frequency-division multiplexing (OFDM) technique is also an intermediate condition between the loosest ML full rank criterion of code words and the strongest ZF linear independence condition of the column vectors for the equivalent frequency-selective channel matrix. It can achieves full diversity with the PIC group decoding for any number of sub carriers and the data rate can be made high. Simulation results show that the proposed STF code can well address the rate-performance-complexity tradeoff of the multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) communication system.

Diversity gain

Diversity scheme

10.1109/iccsee.2012.39

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Constructions of Quantum Codes Based on Quadratic Residues

Ying Guo Yangye Liu Zhigang Chen Chengrong Huang

In this paper, we illustrate how to simplify the constructions of quantum error-correction codes via the quadratic residues. The suggested quantum code, which is the stabilizer quantum code generated from an Abelian group with the basis being commutative quantum operators selected from rows of an Pauli block matrix, does not require the dual-containing (or self-orthogonal) constraint necessary for the standard quantum error-correction code, thus allowing us to construct a quantum code with the large codeword length.

Quantum convolutional code

Quantum capacity

10.1109/icnc.2009.113

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A Distributed OFDM Polarizing Transmission via Broadcast Switching

Springer eBooks (2012)

Chengrong Huang Ying Guo Moon Ho Lee

10.1007/978-3-642-27317-9_54

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Family of Space-Time Block Code Design for MIMO Transmission System

International Conference on Computer Science and Electronics Engineering (2012)

Chengrong Huang Ying Guo Moon Ho Lee

A family of space-time block codes (STBCs) that achieve full rate and full diversity is designed with a simple approach by making use of Hadamard transforms. Simulations show the good performance of the proposed STBC.

Space–time block code

Hadamard code

Code (set theory)

Full Rate

10.1109/iccsee.2012.228

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Multispectral and panchromatic image fusion based on improved bilateral filter

Journal of Applied Remote Sensing (2011)

Aiye Shi Lizhong Xu Feng Xu Chengrong Huang

Image fusion is of great importance to various remote sensing applications because many Earth observation satellites provide both high-resolution panchromatic (Pan) and low-resolution multispectral (MS) images. A number of fusion methods have been proposed, such as intensity-hue-saturation fusion and wavelet transform fusion methods. However, further studies are still necessary to improve the fusion performance for new types of remotely sensed images, such as IKONOS or QuickBird images. We propose an improved bilateral total variation filter method for fusing such MS and Pan images based on regularization. First, the constraints on the MS and Pan images are imposed based on the observation model. Then, the improved bilateral filter is used as an a priori model to constrain the high-resolution MS images. Finally, the steepest descent optimization algorithm is used to obtain the estimated MS images. Fusion simulations on spatially degraded IKONOS and QuickBird images, whose original MS images are available for reference, respectively, show that the proposed approach has better spatial quality while keeping the spectral information of the MS images.

Panchromatic film

10.1117/1.3616010

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Path-based MAXBAND with green-split variables and traffic dispersion

Transportmetrica B Transport Dynamics (2018)

H.-J. Cho Tzu‐Jung Huang Chengrong Huang

In this paper, we propose two path-based MAXBAND models for solving signal synchronization problems for coordinated traffic signalization systems. In the first proposed model (RM1), we relax the assumptions that the lengths of the common cycle, as well as the green splits, are fixed in the base path-based MAXBAND model. These two factors are considered as decision variables in RM1, which leads us to a generalized offset optimization problem. In the second model (RM2), we further relax the free-flow speed assumption used for estimating the link travel times in the coordinated system. Since the free-flow speed can only be reached in rare occasions, we, instead, adopt the Robertson's dispersion module for this purpose. Proposed methodologies are applied to solving a real-world application in that a pure-traffic arterial system in Chubei city, Taiwan, is analyzed for performance evaluations. Numerical results suggest significant improvements from the proposed models, compared to plans suggested by the governmental authority and the literature. From path-wise perspective, model RM1 and RM2 are nip-and-tuck alternatives. From an aggregate perspective, model RM2 has the best performance among all alternatives, with overall improvements around 40%.

10.1080/21680566.2018.1493624

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Region covariance based object tracking using Monte Carlo method

Xiaofeng Ding Chengrong Huang Fengchen Huang Lizhong Xu Xiaofang Li

Covariance features enabled efficient fusion of different type of image features have low dimensions and covariance-based object tracking has been proved robust, versatile for a modest computational cost. In this paper, a method combined Monte Carlo method and covariance features is proposed. Monte Carlo method is used to determine the scope of the search target at the region level. Covariance features are used to model the objects appearance at the object level. An improved object matching and occlusion handling strategies are given, which are followed by an appearance model update method. Experiments show our approach is robust and effective for tracking the object with irregular movement and partial occlusions.

Tracking (education)

10.1109/icca.2010.5524120

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On Fast Threefold Polarizations of Binary Discrete Memoryless Channels

International Conference on Telecommunications (2012)

Chengrong Huang Ying Guo Clement T Gyamfi Tae Chul Shin Moon Ho Lee

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