Intra-prediction mode decision based on video temporal and spatial correlation by DAI Sheng-kui, YU Li, ZHU Guang-xi, LIU Wen-yu

“…Based on the inherent spatial correlation within a single frame and temporal correlation between successive frames, part of intra-prediction modes were chosen to determine the best prediction mode for image block, which resulted in directly reducing the computational complexity and maintaining high coding efficiency. …”
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A novel frequency-domain IQ imbalance estimation and compensation algorithm by Wenjie NI, Wei CAO, Kai KANG

“…To solve the problem of deterioration of system performance for the RF front-end distortion and IQ imbalance in orthogonal frequency division multiplexing（OFDM）system，a novel IQ imbalance frequency domain estimation and compensation algorithm was proposed.The effect of channel could be offset，the complexity of algorithm could be reduced and the implemention conld be achieved easily using two different pilot signals on one sub-carrier.The simulation results show that the algorithm not only greatly reduces the computational complexity，but also gets a better estimation and compensation performance，and the performance is better than traditional algorithms.…”
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An Improved Algorithm for TD-LTE Downlink Time Synchronization by Wenle Bai, Xu Wang, Yongmei Zhang, Mugen Peng

“…It utilizes statistical energy difference and correlation of cyclic prefix to improve the system performance, which reduces the computational complexity, and can detect the cyclic prefix types. …”
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Design scheme of linear dispersive space-time codes for downlink multiuser MIMO systems by ZHOU Meng1, ZHANG Can2

“…The combination optimization problem with respect to the design was deduced, and a suboptimal algorithm with low computational complexity was given. The designed scheme does not require the condition of continuous downlink rates, which was assumed in previous work. …”
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A Multi-Branch Convolution and Dynamic Weighting Method for Bearing Fault Diagnosis Based on Acoustic–Vibration Information Fusion by Xianming Sun, Yuhang Yang, Changzheng Chen, Miao Tian, Shengnan Du, Zhengqi Wang

“…Additionally, when processing acoustic signals, a depthwise separable convolutional network is used, effectively reducing computational complexity. Experimental results demonstrate that our method significantly outperforms other algorithms in terms of convergence speed and final performance. …”
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A Mobile Image-Driven PM2.5 Estimation Framework Using Deep Learning Techniques by Anupam Kamble, Somrawee Aramkul, Paskorn Champrasert

“…This research aims to improve the efficacy and reduce the computational complexity of the PM2.5 concentration estimation process. …”
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An automated privacy-preserving self-supervised classification of COVID-19 from lung CT scan images minimizing the requirements of large data annotation by Sadia Sultana Chowa, Md Rahad Islam Bhuiyan, Mst. Sazia Tahosin, Asif Karim, Sidratul Montaha, Md. Mehedi Hassan, Mohd Asif Shah, Sami Azam

“…In conclusion, this study offers a promising solution for accurate diagnosis of chest X-rays, preserving privacy and overcoming the challenges of dataset scarcity and computational complexity.…”
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Model-Order Reduction of Multistage Cascaded Models for Digital Predistortion by Raul Criado, Wantao Li, William Thompson, Gabriel Montoro, Kevin Chuang, Pere L. Gilabert

“…To reduce the computational complexity of these multistage CC behavioral models, a model-order reduction technique based on a greedy algorithm is proposed. …”
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Compressive Sensing Network Deeply Induced by Visual Mechanism by Mingkun Feng, Xiaole Han, Kai Zheng

“…However, these methods still face challenges such as high computational complexity and severe loss of reconstruction details. …”
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Assessment and Comparison of Various MCDM Approaches in the Selection of Manufacturing Process by Atef M. Ghaleb, Husam Kaid, Ali Alsamhan, Syed Hammad Mian, Lotfi Hidri

“…In terms of computational complexity, the VIKOR method performed better than TOPSIS and AHP. …”
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Application of Double Circular Tooth Gear by Using Form Grinding Method by Gao Xinhong

“…Due to the computational complexity of grinding wheel profile and grinding interference in the process of grinding double circular tooth gear,a form grinding method is proposed. …”
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Study on Pattern Matching in Network Security by Dongliang Xu, Hongli Zhang, Lei Zhang, Chongchong Yao

“…Pattern matching is the core module in network security system,it's the highest occupancy rate of system resources is more than 70%.According to problem and challenges of pattern matching in the network security system,taking 2000 as the boundary,the pattern matching was divided into the traditional pattern matching method and the new pattern matching method.Through the analysis of the principle and the computational complexity of different pattern matching method and the development and evolution of the new pattern matching method,applicable environment of different methods was concluded.A comprehensive review and evaluation of pattern matching in network security system was presented.Finally,a conclusion and some suggestions for future research were summarized and prospected.…”
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Application of antenna selection technology in eight-beam STBC-BF transmit scheme by Man WANG, Jinlong ZHAN

“…An antenna selection scheme of space-time block coding combined with eight-beamforming (STBC-BF) in massive MIMO system was proposed.Transmit symbols were coded by space-time block coder,then the coded symbols were weighted by antenna array form eight-beam.The antenna selection technology was used to select the transmitting antenna and the receiving antenna,traditional decoding method was performed at the receiver.The proposed scheme can not only obtain the space diversity gain and array gain,but also can reduce the computational complexity by reducing the number of the RF links.Simulation results confirm the validity of the proposed scheme.…”
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Power Control Algorithm Based on Normalized Utility Function Research by Xiang Yu, Xiaoyin Zhang, Lei Liu

“…Simulation results show that the algorithm is not restricted by system modulation mode, and reduces the computational complexity, and has faster convergence speed. …”
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Orthogonal beam codebook based hybrid precoding algorithm for mmWave MIMO system by Weiting ZHAO, Dongliang XIA

“…Due to the high cost and power consumption of some mixed signal components at mmWave frequencies,the conventional full digital precoding technique encounters the problem of high hardware complexity.Consequently,the hybrid analog-digital precoding architecture has attracted the attentions from both academy and industry.Based on this,an orthogonal beam codebook based hybrid precoding algorithm for mmWave MIMO systems was proposed,which utilized the orthogonality of beam codebook to design the analog beamforming vector of each radio frequency (RF) chain in parallel.As a result,the large computational complexity of the conventional orthogonal matching pursuit (OMP) algorithm and the hardware complexity could be greatly reduced.…”
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Region-of-interest based fast transcoding for mobile video terminals by HE Qiang1, YANG Gao-bo1, ZHANG Zhao-yang3

“…A fast transcoding scheme based on region of interest（ROI） was proposed for mobile video terminals.According to the target displaying size,the ROIs were automatically detected from the input H.264 video stream based on visual attention model in the video server.The video stream was automatically generated at the proxy server by video transcoding for mobile terminals.Moreover,a fast mode decision algorithm was proposed for video transcoding.Experimental results demonstrate that the proposed approach can not only reduce the bandwidth occupation,but also obtain excellent video quality with a low computational complexity.…”
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Multi-user channel estimation for uplink OFDMA systems based on the random-set theory by Yuan JING, Bin NIU, Ying-ying TAI

“…For the uplink OFDMA systems,a random-set theory based multi-user channel estimation algorithm was proposed.In the proposed algorithm,states of the users the multi-path channels were modeled and described by a finite random set.Then the Bayes filtering was utilized to formulate the problem of multi-user channel estimation.To obtain both the accepted channel estimation performance and low computational complexity,the Rao-Blackwellized particle filtering algorithm was applied to approximately solve this Bayes filtering problem with small number of particles.Simulation results show the effectiveness of the proposed algorithm.…”
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On the Performance of Rate-Compatible LDPC Codes under All-Integer Quantization Decoding by Patinya Muangkammuen, Wongpram Vongjampa, Puripong Suthisopapan

“…However, the quantization scheme with the minimum computational complexity called all-integer quantization has not been well investigated since, intuitively, it seems to significantly degrade the decoding performance. …”
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Inter layer up-sampling filtering scheme applied in SVC by WANG Zhang1, LIU Jian2, YAN Guo-ping2

“…The experiment results show that our proposed scheme maintains the performances of coded bit-rate and PSNR value without any noticeable loss,and provides significant reduction in computational complexity. As a result,it can be applied in the inter layer spatial inter-polation of SVC.…”
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Milestones in the Development of Iterative Solution Methods by Owe Axelsson

“…A major strive has been to find methods with a total computational complexity of optimal order, that is, proportional to the degrees of freedom involved in the equation. …”
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