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2023 2nd International Conference on Paradigm Shifts in Communications Embedded Systems, Machine Learning and Signal Processing (PCEMS)最新文献

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Attending to Transforms: A Survey on Transformer-based Image Captioning 关注变换:基于变换的图像字幕研究
Kshitij Ambilduke, Thanmay Jayakumar, Luqman Farooqui, Himanshu Padole, Anamika Singh
Image captioning is a challenging task that lies at the intersection of Computer Vision and Natural Language Processing. There exists a legion of works that generate meaningful and realistic descriptions of images. Recently, with the advent of attention mechanisms and transformers, there has been a drastic shift in modelling both language and vision tasks. However, there are very few extensive studies that review these approaches based on their progression, advantages and disadvantages. This paper presents a detailed summary of transformer-based models employed for tackling image captioning. In addition to this, we provide an overview of various pre-training tasks, datasets and metrics used for image captioning. Finally, the performance of all the reviewed approaches are compared on the COCO Captions dataset.
图像字幕是一项具有挑战性的任务,它位于计算机视觉和自然语言处理的交叉点。有大量的作品产生了有意义的和现实的图像描述。最近,随着注意力机制和变形器的出现,在语言和视觉任务的建模方面发生了巨大的变化。然而,很少有广泛的研究根据这些方法的进展、优缺点来回顾这些方法。本文详细概述了用于处理图像字幕的基于变压器的模型。除此之外,我们还提供了用于图像字幕的各种预训练任务、数据集和指标的概述。最后,在COCO Captions数据集上比较了所有评审方法的性能。
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引用次数: 0
Ensemble Based ERDNet model for Leaf Disease Detection in Rice and Maize Crops 基于集成的ERDNet水稻和玉米叶片病害检测模型
Manish Kumar, Vipin Kumar, Aditya Kumar
As per the report from Statista, the total global consumption of rice is approximately 497 million metric tons in 2019-2020, and 149 million metric tons is consumed by China alone. Worldwide (Over 170 countries), maize is cultivated in nearly 1147.7 metric tons as per the report of FOSTAT, 2020. Crop leaf disease detection is a critical issue faced by farmers in the field of agriculture. In this research, we are dealing with multiclass leaf disease classification of rice and maize. For this purpose, rice and maize leaf disease image has been taken from the plant village dataset. Rice and Maize are the most popular crops in the sub-continental scenario are produced in bulk and suffer from several diseases reasoning both natural and chemical factors. To precisely handle this problem, we propose an Ensemble-based framework comprising of DenseNet121 and ResNet50, called EDRNet. The proposed method produces a very high accuracy of 96.7 % on rice and 90.9% for maize. The comparative analysis of the proposed EDRNet method with other methods shows that the proposed method has better performance over the Rice and Maize disease classification.
根据Statista的报告,2019-2020年全球大米消费总量约为4.97亿吨,仅中国就消费了1.49亿吨。根据FOSTAT, 2020年的报告,全球(超过170个国家)的玉米种植量接近1147.7公吨。作物叶片病害检测是农业领域农民面临的关键问题。在本研究中,我们对水稻和玉米叶片病害的多类分类进行了研究。为此,从植物村数据集中提取了水稻和玉米叶片病害图像。水稻和玉米是次大陆情景中最受欢迎的作物,它们大量生产,由于自然和化学因素而遭受几种疾病。为了精确地解决这个问题,我们提出了一个基于集成的框架,由DenseNet121和ResNet50组成,称为EDRNet。该方法在水稻和玉米上的准确率分别为96.7%和90.9%。将提出的EDRNet方法与其他方法进行对比分析,结果表明该方法在水稻和玉米病害分类中具有更好的性能。
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引用次数: 2
Optimizing MRC Tasks: Understanding and Resolving Ambiguities 优化MRC任务:理解和解决歧义
Flewin Dsouza, Aditi Bodade, Hrugved Kolhe, Paresh Chaudhari, M. Madankar
The attention model allows paying flexible attention to only those components of the input that contribute to the effective execution of the task at hand. An artificial intelligence competition known as Machine Reading Comprehension (MRC) asks machines to respond to questions based on passages that they have been provided with. The primary purpose of this research is to provide responses to questions that were taken from the Stanford Question Answering Dataset (SQUAD), which includes paragraphs along with questions and the answers that correlate to those questions. This study focuses on the implementation of various approaches that take advantage of the attention mechanism. A thorough examination of emerging methods for producing word embeddings, feature extraction, attention mechanisms, and answer selection. The flaws and concerns with the model’s fairness and trustworthiness have also been noted.
注意模型允许灵活地关注那些有助于有效执行手头任务的输入成分。一项名为机器阅读理解(MRC)的人工智能竞赛要求机器根据提供给它们的段落回答问题。本研究的主要目的是提供对来自斯坦福问答数据集(SQUAD)的问题的回答,该数据集包括带有问题的段落以及与这些问题相关的答案。本研究的重点是利用注意机制的各种方法的实施。对产生词嵌入、特征提取、注意机制和答案选择的新兴方法进行了彻底的检查。人们也注意到该模型的缺陷和对其公平性和可信度的担忧。
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引用次数: 0
Hyperplastic and Adenoma polyp classification using Deep networks 利用深度网络对增生性和腺瘤息肉进行分类
Aditi Jain, S. Sinha, S. Mazumdar
Colorectal cancer (CRC) is the world’s third most frequent disease. Polyps which are growths that emerge as lumps on the colon lining are often benign, some may develop into malignant tumours over time, thus it is advisable to have them removed to prevent the risk of colorectal cancer. Early identification and characterization of the kind of polyp are crucial for cancer prevention and treatment. DCNNs have proved to be extremely effective in object categorization over a wide range of object categories. In this study, we experimentally evaluated and compared the effectiveness of the ResNet50 and EfficientNetB0 models in distinguishing Hyperplastic from Adenoma polyps and diagnosing them. Our findings show that cutting-edge DCNN models may correctly characterize the polyps with accuracy equivalent to or greater than that predicted by doctors. As a result, our findings might be valuable for future polyp categorization studies.
结直肠癌(CRC)是世界上第三大常见疾病。息肉是一种生长在结肠内壁的肿块,通常是良性的,有些可能随着时间的推移发展成恶性肿瘤,因此建议将其切除以防止患结肠直肠癌的风险。这种息肉的早期识别和特征对癌症的预防和治疗至关重要。事实证明,DCNNs在广泛的对象分类中是非常有效的。在这项研究中,我们实验评估和比较了ResNet50和EfficientNetB0模型在区分增生性和腺瘤息肉以及诊断它们方面的有效性。我们的研究结果表明,尖端的DCNN模型可以正确地描述息肉,其准确性相当于或高于医生的预测。因此,我们的发现可能对未来的息肉分类研究有价值。
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引用次数: 0
Silent Speech Recognition using EEG Signals * 利用脑电图信号进行无声语音识别*
J. Rahate, Sai Naga Venkata Ramana Tadepalli, Udit Saroj, Ashwin Kamble, P. Ghare
Patients suffering from paralysis, and neuro-muscular diseases are unable to communicate. Hence, there is a need for an alternative way of communication. This research work has tried to address this issue using Electroencephalograph (EEG) signals. EEG is the recording of electrical activity produced by the firing of neurons within the brain. However, EEG recordings are always contaminated with artifacts, which hinder the decoding process. Therefore, identifying and removing artifacts is an important step. For this, a fresh EEG dataset with six words is collected from 10 subjects. The artifacts which contaminate the quality of EEG data are removed and empirical mode decomposition is used to decompose EEG signals into various intrinsic mode functions. Linear and nonlinear timedomain features are extracted from the modes. A feature set is obtained by selecting highly discriminant features using the analysis of variance test. Classification is performed using seven recent machine learning algorithms.
患有瘫痪和神经肌肉疾病的病人无法交流。因此,需要另一种交流方式。这项研究工作试图用脑电图(EEG)信号来解决这个问题。脑电图是对大脑中神经元放电产生的电活动的记录。然而,脑电图记录总是被伪影污染,这阻碍了解码过程。因此,识别和移除工件是一个重要的步骤。为此,从10个受试者中收集了一个包含6个单词的新的EEG数据集。该方法去除影响脑电信号质量的伪影,采用经验模态分解方法将脑电信号分解为各种内禀模态函数。从模态中提取线性和非线性时域特征。采用方差分析方法,选取判别性强的特征,得到特征集。分类使用七种最新的机器学习算法进行。
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引用次数: 0
Multifactor Authentication System 多因素认证系统
A.Muthu Kumar, D. Jhariya
Authentication plays a crucial role in our day-to-day life. Whether it is in your office, college, university, hospitals, banks, social media account, and whatnot. In the present day, most authentication systems are using a single metric to determine authenticity (i.e., password). Although there are some systems that use Multi-Factor Authentication which includes OTPs, unique codes such as Time-based codes, etc., they require an additional device to carry. In our project, we want to develop a Multi-modal Authentication system where we use the unique metrics of a person to identify him such as the face, and fingerprint. In order to develop such a system, we made use of Raspberry Pi, OpenCV, and AWS services.
身份验证在我们的日常生活中起着至关重要的作用。无论是在你的办公室、学院、大学、医院、银行、社交媒体账户,还是其他地方。目前,大多数身份验证系统都使用单一度量来确定真实性(即密码)。虽然有些系统使用多因素身份验证,其中包括otp,唯一代码,如基于时间的代码等,但它们需要额外的设备来携带。在我们的项目中,我们希望开发一个多模式身份验证系统,在该系统中,我们使用一个人的唯一指标来识别他,例如面部和指纹。为了开发这样一个系统,我们使用了树莓派、OpenCV和AWS服务。
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引用次数: 0
Design and Performance Analysis of a Broadband Rectengular Microstrip Patch Antenna for 5G Application 5G宽带矩形微带贴片天线的设计与性能分析
Md. Jasim Uddin Qureshi, Md. Abu Sayeed, M. Hossain, Thohidul Islam
A microstrip line-fed broadband rectangular microstrip patch antenna is proposed to work in 5G applications in an endeavor to play a significant role in the communication system, which operates at 28 GHz. An initial rectangular microstrip patch antenna has been designed and analysis its performance. The intended operating frequency range has been tuned in using a cutting the slot and edge with a partial ground plane approach (28.00 GHz-29.96 GHz). The inset-fed microstrip patch antenna presented in this paper has a defected ground structure (DGS) and is constructed on a Teflon substrate with a 2.1 dielectric constant. The use of a defected ground slot increases the antenna’s bandwidth and efficiency compare to full ground plane of antenna. With a wide -10dB bandwidth of 1.96 GHz, the developed antenna is projected to function at 28.90 GHz for the 5G application. Its return loss is -39.42dB. Additionally, the antennas have an overall size of 35 x39x1.57 mm3, a wide bandwidth of 1.96 GHz, and strong gain and directivity across the whole operating band. The VSWR value is 1. This proposed antenna produces better outcomes than some of the existing antennas described in a recent scholarly study. First, an antenna is designed, followed by simulation and performance analysis done using Computer Simulation Technology (CST) software. The improvement of the antenna’s parameters and operational bandwidth for 5G applications significantly improved during analysis. It follows that this antenna will probably be adequate for 5G wireless communication systems.
提出了一种用于5G应用的微带馈线宽带矩形微带贴片天线,努力在28 GHz的通信系统中发挥重要作用。设计了一种初始矩形微带贴片天线,并对其性能进行了分析。预期的工作频率范围已经调整为使用切割槽和边缘与部分地平面方法(28.00 GHz-29.96 GHz)。本文提出的插入馈电微带贴片天线具有缺陷接地结构(DGS),并构建在介电常数为2.1的聚四氟乙烯衬底上。相对于天线的全地平面,利用缺陷地槽可以提高天线的带宽和效率。该天线具有1.96 GHz的-10dB宽带宽,预计在5G应用中可以工作28.90 GHz。回波损耗为-39.42dB。此外,天线的总体尺寸为35 x39x1.57 mm3,带宽为1.96 GHz,在整个工作频带具有很强的增益和方向性。驻波比为1。这种天线比最近一项学术研究中描述的一些现有天线产生更好的结果。首先设计了天线,然后利用计算机仿真技术(CST)软件进行了仿真和性能分析。在分析过程中,天线参数的改进和5G应用的操作带宽显著改善。因此,这种天线可能足以用于5G无线通信系统。
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引用次数: 0
Low-Noise Amplifier Design: An Open-Source Perspective 低噪声放大器设计:一个开源的观点
Amit Kumar, D. Jhariya
LNA stands for Low-Noise Amplifier.It is an integral part of the receiver chain in any RF system. The LNA is the first in a long chain of devices in the receiver chain however it also has the most impact on the sensitivity as well as the overall performance of the subsequent stages of the receiver. LNA design for RFIC has a lot of trade-offs that need to be made in order to achieve good performance both in terms of noise Figure and gain. The cascode topology is selected as the main focus for this brief. It is basically a two-stage amplifier that is built around a Commongate and Common-Source stages. The cascode LNA topology with inductive degeneration is best able to circumnavigate the hurdles posed in 5G or other wide-band RF technologies. It is able to balance good gain flatness with respectable noise Figure over a wide range of frequency spectrum while providing good impedance matching and reverse isolation. A three-stage Cascode LNA built using Advanced Spice Model for High Electron Mobility Transistor (ASM-HEMT) using Cadence Virtuoso is initially implemented. Its performance analysis using simulation results is done. This work also discusses the design of a cascode low-noise amplifier (LNA) using completely open-source tools namely Xschem and Magic among others. The design environment setup is also discussed in detail. The technology used to realize the circuitry is Google Skywater130.
LNA代表低噪声放大器。它是任何射频系统中接收机链的一个组成部分。LNA是接收器链中长链设备中的第一个,但它也对接收器后续阶段的灵敏度和整体性能影响最大。为了在噪声系数和增益方面获得良好的性能,RFIC的LNA设计需要进行许多权衡。级联代码拓扑被选为本简介的主要焦点。它基本上是一个两级放大器,围绕一个共源级和一个共源级构建。具有感应退化的级联编码LNA拓扑最能绕过5G或其他宽带RF技术所带来的障碍。它能够在广泛的频谱范围内平衡良好的增益平坦度和可观的噪声系数,同时提供良好的阻抗匹配和反向隔离。采用Cadence Virtuoso的高级Spice模型构建的三级Cascode LNA最初实现了高电子迁移率晶体管(ASM-HEMT)。利用仿真结果对其性能进行了分析。这项工作还讨论了级联低噪声放大器(LNA)的设计,使用完全开源的工具,即xscheme和Magic等。文中还详细讨论了设计环境的建立。实现电路的技术是b谷歌Skywater130。
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引用次数: 0
Vision based 3D mapping-From Traditional to NeRF based approaches 基于视觉的3D映射-从传统到基于NeRF的方法
Bipasha Parui, Yagnesh Devada, K. Surender
3D reconstruction or 3D mapping of an environment is one of the most crucial stages of Simultaneous Localisation and Mapping (SLAM). Numerous work have been done to optimize the tracking and mapping process of SLAM systems over the years in both classical computer vision and deep learning fields. Although there have been many surveys that extensively study SLAM-based work, most of them do not discuss 3D mapping and its developments in much detail. In this paper, we discuss the history of SLAM from a general perspective as well as focus on 3D reconstruction/mapping. To our knowledge, our paper is the first to dedicatedly explore Neural Radiance Field (NeRF) research that is used for SLAM, pose estimation and 3D reconstruction. Thus we track the history of mapping techniques in classical feature-based, direct-based, deep learning-based and most importantly NeRF based literature. Finally, we make a comparative study of all the existing methods and discuss the challenges faced by these concluding the survey.
环境的三维重建或三维映射是同步定位和映射(SLAM)最关键的阶段之一。多年来,在经典计算机视觉和深度学习领域,已经做了大量的工作来优化SLAM系统的跟踪和映射过程。尽管已经有许多调查广泛地研究了基于slam的工作,但其中大多数都没有详细讨论3D映射及其发展。在本文中,我们从一般的角度讨论了SLAM的历史,并重点讨论了3D重建/制图。据我们所知,我们的论文是第一篇致力于探索神经辐射场(NeRF)研究的论文,该研究用于SLAM、姿态估计和3D重建。因此,我们在经典的基于特征的、基于直接的、基于深度学习的和最重要的基于NeRF的文献中追踪映射技术的历史。最后,我们对现有的各种方法进行了比较研究,并讨论了这些方法所面临的挑战。
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引用次数: 0
Automated Detection of Hardware Trojans using Power Side-Channel Analysis and VGG-Net 基于功率侧信道分析和VGG-Net的硬件木马自动检测
Bharti Dakhale, K. Vipinkumar, Kalla Narotham, Shantanu Kadam, Ankit A. Bhurane, Ashwin Kothari
With the expanding usage of electronic devices such as smartphones and smartwatches in daily life, the need for advanced Integrated Circuits (ICs) is also increasing. Corporations are compelled to outsource IC design and production to several third-party vendors to keep up with demand. This has allowed adversaries to make unauthorized modifications to the circuits. As a result, malicious adversaries have been able to deploy Hardware Trojans (HTs), similar to software viruses, as they may cause data leakage and circuit disruption. The currently known methods for HT detection rely on expensive and often impractical destructive methods like reverse engineering or non-destructive methods like comparison with the golden chip. In this paper, we propose a method for detecting HTs based on the VGG-Net architecture. The model has an accuracy of 93%, 87%, 100%, 100%, and 76% on the Advanced Encryption Standard (AES) benchmarks of T500, T600, T700, T800, and T1600, respectively, for an average accuracy of 91.2%. It surpasses existing state-of-the-art models in the AES-T600, AES-T700, AES-T800, and AES-T1600 benchmarks.
随着智能手机和智能手表等电子设备在日常生活中的使用范围不断扩大,对先进集成电路(ic)的需求也在增加。公司被迫将集成电路设计和生产外包给几个第三方供应商以满足需求。这使得对手可以对电路进行未经授权的修改。因此,恶意攻击者已经能够部署硬件木马(ht),类似于软件病毒,因为它们可能导致数据泄漏和电路中断。目前已知的高温检测方法依赖于昂贵且往往不切实际的破坏性方法,如逆向工程或非破坏性方法,如与黄金芯片比较。本文提出了一种基于VGG-Net体系结构的高温高温检测方法。该模型在T500、T600、T700、T800和T1600的高级加密标准(AES)基准上的准确率分别为93%、87%、100%、100%和76%,平均准确率为91.2%。它在AES-T600、AES-T700、AES-T800和AES-T1600基准测试中超越了现有的最先进型号。
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引用次数: 0
期刊
2023 2nd International Conference on Paradigm Shifts in Communications Embedded Systems, Machine Learning and Signal Processing (PCEMS)
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