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Journal of computer science & Technology 1991年第4期6卷 376-382页

作者：吴训威 F.Prosser dept.of Electronic Engineering Hangzhou UniversityHangzhou 310028 dept.of computer science Indiana UniversityU.S.A.

This paper presents CMOS circuit designs of a ternary adder and a ternary multiplier,formulated using transmission function *** carry signals appearing in these designs allow conventional look-ahead carry techniques to be *** with previous similar designs,the circuits proposed in this paper have advantages such as low dissipation,low output impedance,and simplicity of construction.

关键词： CMOS Design of Ternary Arithmetic Devices Wu Xunwei dept.of Electronic Engineering,Hangzhou University,Hangzhou 310028F.P rosser Design

LoRa Sense:Sensing and Optimization of LoRa Link Behavior Using Path-Loss Models in Open-Cast Mines

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computer Modeling in Engineering & sciences 2025年第1期142卷 425-466页

作者： Bhanu Pratap Reddy Bhavanam Prashanth Ragam School of computer science and Engineering VIT-AP UniversityAmaravati52237India

The Internet of Things(IoT)has orchestrated various domains in numerous applications,contributing significantly to the growth of the smart world,even in regions with low literacy rates,boosting socio-economic *** study provides valuable insights into optimizing wireless communication,paving the way for a more connected and productive future in the mining *** IoT revolution is advancing across industries,but harsh geometric environments,including open-pit mines,pose unique challenges for reliable *** advent of IoT in the mining industry has significantly improved communication for critical operations through the use of Radio Frequency(RF)protocols such as Bluetooth,Wi-Fi,GSM/GPRS,Narrow Band(NB)-IoT,SigFox,ZigBee,and Long Range Wireless Area Network(LoRaWAN).This study addresses the optimization of network implementations by comparing two leading free-spreading IoT-based RF protocols such as ZigBee and *** field tests are conducted in various opencast mines to investigate coverage potential and signal *** is tested in the Tadicherla open-cast coal mine in ***,LoRaWAN field tests are conducted at one of the associated cement companies(ACC)in the limestone mine in Bargarh,India,covering both Indoor-toOutdoor(I2O)and Outdoor-to-Outdoor(O2O)environments.A robust framework of path-loss models,referred to as Free space,Egli,Okumura-Hata,Cost231-Hata and Ericsson models,combined with key performance metrics,is employed to evaluate the patterns of signal *** field testing and careful data analysis revealed that the Egli model is the most consistent path-loss model for the ZigBee protocol in an I2O environment,with a coefficient of determination(R^(2))of 0.907,balanced error metrics such as Normalized Root Mean Square Error(NRMSE)of 0.030,Mean Square Error(MSE)of 4.950,Mean Absolute Percentage Error(MAPE)of 0.249 and Scatter Index(SI)of *** the O2O scenario,the Ericsson model

关键词： Internet of things long range wireless area network ZigBee mining environments path-loss models coefficient of determination mean square error

A Novel Self-Supervised Learning Network for Binocular Disparity Estimation

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computer Modeling in Engineering & sciences 2025年第1期142卷 209-229页

作者： Jiawei Tian Yu Zhou Xiaobing Chen Salman A.AlQahtani Hongrong Chen Bo Yang Siyu Lu Wenfeng Zheng Department of computer science and Engineering Major in Bio Artificial IntelligenceHanyang UniversityAnsan-si15577Republic of Korea School of Electrical and computer Engineering Louisiana State UniversityBaton RougeLA 70803USA Department of computer Engineering College of Computer and Information SciencesKing Saud UniversityRiyadh11574Saudi Arabia School of Automation University of Electronic Science and Technology of ChinaChengdu610054China

Two-dimensional endoscopic images are susceptible to interferences such as specular reflections and monotonous texture illumination,hindering accurate three-dimensional lesion reconstruction by surgical *** study proposes a novel end-to-end disparity estimation model to address these *** approach combines a Pseudo-Siamese neural network architecture with pyramid dilated convolutions,integrating multi-scale image information to enhance robustness against lighting *** study introduces a Pseudo-Siamese structure-based disparity regression model that simplifies left-right image comparison,improving accuracy and *** model was evaluated using a dataset of stereo endoscopic videos captured by the Da Vinci surgical robot,comprising simulated silicone heart sequences and real heart video *** results demonstrate significant improvement in the network’s resistance to lighting interference without substantially increasing ***,the model exhibited faster convergence during training,contributing to overall performance *** study advances endoscopic image processing accuracy and has potential implications for surgical robot applications in complex environments.

关键词： Parallax estimation parallax regression model self-supervised learning Pseudo-Siamese neural network pyramid dilated convolution binocular disparity estimation

A negative selection algorithm with neighborhood representation

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Journal of Harbin Institute of Technology(New Series) 2011年第3期18卷 74-78页

作者：张凤斌王大伟王胜文 dept.of computer science & Technology Harbin University of Science & Technology dept.of computer science & Technology Harbin Institute of Technology dept.of computer science & Technology Tsinghua University

This paper proposes a negative selection with neighborhood representation named as neighborhood negative selection *** algorithm employs a new representation method which uses the fully adjacent but mutually disjoint neighborhoods to present the self samples and *** normalizing the normal samples into neighborhood shape space,the algorithm uses a special matching rule similar as Hamming distance to train mature detectors at the training stage and detect anomaly at the detection *** neighborhood negative selection algorithm is tested using KDD CUP 1999 *** results show that the algorithm can prevent the negative effect of the dimension of shape space,and provide a more accuracy and stable detection performance.

关键词： artificial immune negative selection neighborhood matching rule

A modeling method for virtual scene based on multi-view image sequence

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Journal of Harbin Institute of Technology(New Series) 2009年第2期16卷 217-222页

作者：王佳生唐好选杨铁冬 dept.of computer science and Technology Harbin Engineering University dept.of computer science and Technology Harbin Institute of Technology

Through the analysis and comparison of shortcomings and advantages of existing technologies on object modeling in 3D applications,we propose a new modeling method for virtual scene based on multi-view image sequence to model irregular objects efficiently in 3D *** 3D scene,this method can get better visual effect by tracking the viewer's real-time perspective position and projecting the photos from different perspectives *** philosophy of design,the steps of development and some other relevant topics are discussed in details,and the validity of the algorithm is *** results demonstrate that this method represents more superiority on simulating irregular objects by applying it to the modeling of virtual museum.

关键词： irregular object modeling RGB color space image segmentation virtual scene

CCD:An Integrated C Coding and Debugging Tool

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Journal of computer science & Technology 1993年第4期8卷 322-328页

作者：金立群陈锋徐智晨钱家骅 dept.of computer science Fudan UniversityShanghai 200433

CCD is an integrated software tool which is intended to support the coding and debugging for C language. It integrates a hybrid editor,an incremental semantic analyzer,a multi-entry parser,an incremental unpaser and a source-level debugger into a single *** integration is realized by sharing common knowledge,among all the components of the system and by task-oriented comhination of the *** attribute grammar is adopted for specifying the common knowledge about the syntax and semantics of C *** incremental attri bute evaluation is used to implement the semantic analyzer and the unparser to increase system *** keeps the preprocessors and comments most regular to make it practical.

关键词： Integrated language based programming environment nonlocal attribute grammar semantic tree incremental attribute evaluation syntax-directed editting semantic analyzing source-level debugging

DKBLM——Deep Knowledge Based Learning Methodology

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Journal of computer science & Technology 1993年第4期8卷 379-384页

作者：马志方 dept.of computer science Jilin UniversityChangchun 130023

To solve the Imperfect Theory Problem(ITP)faced by Explanation Based Generalization(EBG), this paper proposes a methodology,Deep Knowledge Based Learning Methodology(DKBLM)by name, and gives an implementstion of DKBLM,called Hierarchically Distributed Learning System(HDLS).As an example of HDLS's application,this paper shows a learning system(MLS)in meteorology domain and its running with a simplified example. DKBLM can acquire experiential knowledge with causality in *** is applicable to those kinds of domains,in which experiments are relatively difficult to carry out,and in which there exist many available knowledge systems at different levels for the same domain(such as weather forecasting).

关键词： Machine learning explanation based learning deep knowledge

A self region based real-valued negative selection algorithm

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Journal of Harbin Institute of Technology(New Series) 2008年第6期15卷 851-855页

作者：张凤斌王大伟王胜文 dept.of computer science and Technology Harbin University of Science & Technology dept.of computer science and Technology Tsinghua University

Point-wise negative selection algorithms,which generate their detector sets based on point of self data,have lower training efficiency and detection *** solve this problem,a self region based real-valued negative selection algorithm is *** this new approach,the continuous self region is defined by the collection of self data,the partial training takes place at the training stage according to both the radius of self region and the cosine distance between gravity of the self region and detector candidate,and variable detectors in the self region are *** algorithm is tested using the triangle shape of self region in the 2-D complement space and KDD CUP 1999 data *** show that,more information can be provided when the training self points are used together as a whole,and compared with the point-wise negative selection algorithm,the new approach can improve the training efficiency of system and the detection rate significantly.

关键词： artificial immune real-valued negative selection cluster analysis self region partial training

Finding an Effective Distance Between T-Cell and B-Cell Using S/W ARQ in an Immune System Communication

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China Communications 2020年第1期17卷 174-185页

作者： Sanjit Ningthoujam Tekcham Chingkheinganba Swarnendu K Chakraborty dept.of computer science and Engineering NIT Arunachal Pradesh

In this paper,we present the effective distance between T-cell and B-cell in an immune system using Stop and Wait(S/W)Automatic Repeat Request(ARQ).The concentration of the molecules can be increased by increasing the transmitting number of molecules but it may reduce the performance of communication due to higher collision or interference with other *** is also reported in the literature that the concentration of the emitted molecules reduces if the distance from Transmitter(Tx)to Receiver(Rx)***,this paper mainly focuses on enhancing the receiver’s capture probability and higher successful complete transmission of the desired molecules by obtaining the effective distance from T-cell to *** order to find the effective distance,T-cell transmits the molecules 1(Interleukins-2)to B-cell,upon successful reception of molecules 1,antibodies(molecules 2)transmit back to ***,the effective distance of an immune system can be obtained after T-cell detects the concentration of the molecules 2 with respect to *** schemes of S/W ARQ protocols have implemented in Molecular Communication(MC)but it requires retransmission of duplicate copies due to the lack of addressing an effective ***,the simulations are performed in MATLAB and the results obtain higher capture probability and also successful complete transmission of the desired molecules.

关键词： T-cell B-cell MC antigens antibodies diffusion coefficient(D) round trip time(RTT)

Parallel Execution of Prolog on Shared-Memory Multiprocessors

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Journal of computer science & Technology 1993年第4期8卷 329-336页

作者：高耀清王鼎兴郑纬民沈美明黄志毅胡守仁 Giorgio Levi dept.of computer science and Technology Tsinghua UniversityBeijing 100084 dept.of computer science Changsha Institute of TechnologyChangshaHunan 410073 Dipartimento

Logic programs offer many opportunities for the exploitation of *** the parallel execution of a task incurs various overheads This paper focuses on the issues relevant to parallelizing Prolog on shared-memory multipro... 详细信息

关键词： Logic programming OR-parallelism AND-parallelism data-dependency analysis reflective computation