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2022 3rd International Conference on Information Science, Parallel and Distributed Systems (ISPDS)最新文献

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Target detection and cow standing behavior recognition based on YOLOv5 algorithm 基于YOLOv5算法的目标检测与奶牛站立行为识别
Xin Tian, Bomeng Li, Xiaodong Cheng, Xiangyang Shi
Accurate and effective behavior recognition of cows is the basis for realizing informationization, high efficiency and scale of animal husbandry farming. To address the limitations of traditional non-contact and contact for obtaining animal behavior information, this paper investigates the target detection based on YOLOv5 algorithm and the cow standing behavior recognition method for video analysis. This paper first introduces the target detection algorithm, then describes the target detection network model (YOLOv5Net), which extracts the relevant features of cow images and performs image target detection through training to recognize the standing behavior of cows in real time. To achieve effective recognition of cow standing and efficient extraction of cow targets in complex natural environments, the YOLOv5 model for cow standing recognition is explored[8]; finally, the implemented YOLOv5 model is evaluated and analyzed for environment modeling and target detection algorithm objectives, and the experimental results show that the experimental detection correctness accuracy is 97.6%, and the preprocessing time in detecting a single image is It can quickly and accurately identify the standing behavior of cows, which lays the foundation for basic behavior identification and localization of cows.
准确有效的奶牛行为识别是实现畜牧业养殖信息化、高效化、规模化的基础。针对传统非接触和接触获取动物行为信息的局限性,本文研究了基于YOLOv5算法的目标检测和奶牛站立行为识别方法用于视频分析。本文首先介绍了目标检测算法,然后描述了目标检测网络模型(YOLOv5Net),该模型提取奶牛图像的相关特征,通过训练进行图像目标检测,实时识别奶牛的站立行为。为了在复杂的自然环境中实现奶牛站立的有效识别和奶牛目标的高效提取,探索了YOLOv5奶牛站立识别模型[8];最后,对所实现的YOLOv5模型进行了环境建模和目标检测算法目标的评估和分析,实验结果表明,实验检测正确性准确率为97.6%,检测单幅图像的预处理时间为,能够快速准确地识别奶牛的站立行为,为奶牛的基本行为识别和定位奠定了基础。
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引用次数: 0
Design and Implementation of Coal Mine Wireless Sensor Ad Hoc Network Based on LoRa 基于LoRa的煤矿无线传感器自组网设计与实现
P. Lu
This paper studies the application of wireless transmission of sensor data in coal mine monitoring. Based on LoRa wireless communication technology, wireless sensor network adopts ad hoc network architecture. The low-power design, long-distance transmission and self-organizing network communication of the sensor are studied. Compared with similar technologies, LoRa spread spectrum modulation technology can provide longer communication distance and lower power consumption. LoRa-based wireless sensor network in coal mine adopts clustering tree self-organizing network. The capacity of the network can be dynamically expanded. The network has strong anti-interference ability. This paper expands the application scenario of mobile Internet of Things technology, and improves the intelligent level of coal mine.
本文研究了传感器数据无线传输在煤矿监测中的应用。无线传感器网络基于LoRa无线通信技术,采用自组网架构。研究了传感器的低功耗设计、远距离传输和自组织网络通信。与同类技术相比,LoRa扩频调制技术可以提供更长的通信距离和更低的功耗。基于lora的煤矿无线传感器网络采用聚类树自组织网络。网络容量可以动态扩展。网络具有较强的抗干扰能力。拓展了移动物联网技术的应用场景,提高了煤矿的智能化水平。
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引用次数: 2
A method for identifying crop diseases based on IAlexNet model 基于IAlexNet模型的作物病害识别方法
Wenwu Liu, Chaoqun Zhang, Yunheng Yi, Weidong Qin
With the decrease of farmers and the urgent needs of agricultural modernization, deep learning becomes a novel and effective way to identify crop diseases in modern agriculture. For the problems about low accuracy and complexity of models, a light-weight disease recognition model based on AlexNet is proposed, which is called IAlexNet. The large convolution kernel is replaced by several small convolution kernels to reduce the network parameters, and the SE-Net is introduced to increase the weight of effective information. Besides, the dataset uses the pathological image datasets of apple leaves published on AI studio of the Paddlepaddle. The experiment results show that the recognition accuracy is 97.16%, which is 1.95% higher than AlexNet model. In addition, the parameters of IAlexNet model are reduced by 59.11%, and the training time is reduced by 20.33%, which is verify the new proposed model is feasible and effective.
随着农民数量的减少和农业现代化的迫切需要,深度学习成为现代农业作物病害识别的一种新颖有效的方法。针对模型准确率低、复杂等问题,提出了一种基于AlexNet的轻量级疾病识别模型,称为IAlexNet。用几个小卷积核代替大卷积核来减少网络参数,并引入SE-Net来增加有效信息的权重。此外,数据集使用的是Paddlepaddle AI工作室发布的苹果叶片病理图像数据集。实验结果表明,该模型的识别准确率为97.16%,比AlexNet模型提高了1.95%。此外,IAlexNet模型的参数减少了59.11%,训练时间减少了20.33%,验证了新模型的可行性和有效性。
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引用次数: 0
Dual Aircraft Cooperative Cross Positioning Method for Ground Remote Control Signal Source 地面遥控信号源的双机协同交叉定位方法
Jia-nuo Xu, Z. Yao, Jian Yang, Haiyang Wang
The rapid development of consumer UAV has brought many conveniences to national production and life, but the increasingly frequent incidents of ‘Black Flying’ unmanned aerial vehicle (UAV) seriously threaten social stability and national security. In order to capture the operator of ‘Black Flying’ UAV, this paper presents a cross-location method of ground remote controller signal source with the angle of arrival (AOA) as prior information. This method designs a cooperative flight strategy based on double-station UAV airborne detection platform, and builds a mathematical model of cross-positioning error based on this strategy, thus improving the traditional cross-positioning algorithm. The verification results show that the proposed algorithm can successfully locate the signal source of the ground remote controller. Compared with the traditional method, it also effectively reduces the influence of systematic error and random error on the location results. When the angle measurement error is 5 degrees, the location accuracy is about 3 meters.
消费类无人机的快速发展给国民生产生活带来了诸多便利,但“黑飞”无人机事件日益频发,严重威胁着社会稳定和国家安全。为了捕获“黑飞”无人机的操作者,提出了一种以到达角(AOA)为先验信息的地面遥控信号源交叉定位方法。该方法设计了一种基于双工位无人机机载探测平台的协同飞行策略,并基于该策略建立了交叉定位误差的数学模型,从而改进了传统的交叉定位算法。验证结果表明,该算法能够成功地定位到地面遥控器的信号源。与传统方法相比,有效降低了系统误差和随机误差对定位结果的影响。当角度测量误差为5度时,定位精度约为3米。
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引用次数: 0
Face Detection and Tracking Based on Neural Network 基于神经网络的人脸检测与跟踪
Jiao-yang Li, Chuan Yang, Fan Yang, Jie Huang, Wei Wei, Sujuan Zhang, Xun Zuo, Shilong Zhang
Face detection and tracking technology is used in transportation, security, military fields. In view of the traditional face detection and tracking technology is easy to be affected by light, which leads to low detection accuracy, this paper uses Retinaface and Camshift algorithm to face detection, and realizes real time face detection and tracking by P control steering gear in PID control. Through tests in different environments, the detection accuracy of the Retinaface algorithm and the Camshift algorithm is above 99%. The camera is rotated through P to ensure that the face can be captured by the camera, and the camera response time can reach 0.1s.
人脸检测与跟踪技术应用于交通、安防、军事等领域。针对传统的人脸检测与跟踪技术容易受到光线的影响,导致检测精度不高的问题,本文采用Retinaface和Camshift算法进行人脸检测,并在PID控制中通过P控制舵机实现实时人脸检测与跟踪。通过在不同环境下的测试,retaface算法和Camshift算法的检测准确率均在99%以上。摄像头通过P旋转,保证摄像头能够捕捉到人脸,摄像头响应时间可以达到0.1s。
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引用次数: 0
Multi-station Joint Long-term Water Level Prediction Model of Hongze Lake Based on RF-Informer 基于RF-Informer的洪泽湖多站联合长期水位预测模型
Nannan Du, Xuechun Liang, Congyou Wang, Lu Jia
In order to solve the problem of low accuracy of long-term water level forecasting, a multi-station joint long-term water level forecasting model combining random forest and Informer was proposed. First, the Pearson correlation coefficient (PCC) between hydrological stations is calculated, and the hydrological station with the highest degree of correlation with the water level of Hongze Lake is found; then, the random forest (RF) is used to re-extract and select the hydrological station index; finally, the RF and Informer are combined. The experimental results show that the proposed model has higher prediction accuracy.
为解决长期水位预报精度低的问题,提出了随机森林与Informer相结合的多站联合长期水位预报模型。首先,计算各水文站间的Pearson相关系数(PCC),找出与洪泽湖水位相关程度最高的水文站;然后,利用随机森林(RF)重新提取和选择水文站指标;最后,将射频和通知器结合起来。实验结果表明,该模型具有较高的预测精度。
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引用次数: 2
Strip stitching algorithm of filter array multispectral image 滤波阵列多光谱图像的条带拼接算法
Tong Li, Wenbang Sun, Guang Yue, Zi-lv Gu, Di Wu, Xiaokang Zhang
Aiming at the problem of low image stitching accuracy due to the difficulty of extracting strip features from multispectral images of filter array, a strip stitching algorithm for multispectral images of filter arrays is proposed. Firstly, the effective range of each band of the multispectral image is determined, and the homography matrix is calculated using the geographic coordinate information of the image vertices and the vertex coordinates to project the image. Secondly, Scale-invariant feature transform (SIFT) algorithm was used to extract matching points of projected images, and the mean value of the coordinate difference of matching points was calculated as the translation relation between images. Finally, the projection transformation is performed on the single band bands in turn, and the projected images are stitched with inter-image translation to obtain a large area single band image. Theoretical analysis and experimental results show that this method can effectively improve the the stitching accuracy of multispectral images of filter arrays and has a high image stitching speed.
针对滤波阵列多光谱图像条带特征提取困难导致图像拼接精度低的问题,提出了一种用于滤波阵列多光谱图像的条带拼接算法。首先确定多光谱图像各波段的有效范围,利用图像顶点的地理坐标信息和顶点坐标计算单应性矩阵,对图像进行投影;其次,采用尺度不变特征变换(SIFT)算法提取投影图像的匹配点,计算匹配点的坐标差均值作为图像间的平移关系;最后,对单波段依次进行投影变换,并对投影图像进行图像间平移拼接,得到大面积单波段图像。理论分析和实验结果表明,该方法能有效提高滤波阵列多光谱图像的拼接精度,具有较高的图像拼接速度。
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引用次数: 0
Study on Artifact Classification Identification Based on Deep Learning 基于深度学习的人工制品分类识别研究
Long Ling, Jingde Huang, Yumeng Lu
Deep learning is a hot technology developed in the field of artificial intelligence in recent years. It extracts complex content, simulates the hierarchical structure of the human brain, and constantly adjusts the parameters to find the optimal prediction results. This paper introduces the implementation principle and process of deep learning, uses the deep learning method to study the artifact classification and identification, and completes the artifact classification and identification experiment through the training model of various artifacts. The experimental results show that the sufficient training of the samples can have a high identification accuracy, but the identification accuracy needs to be further strengthened in practical application environments.
深度学习是近年来人工智能领域发展起来的一个热点技术。它提取复杂的内容,模拟人脑的层次结构,不断调整参数,找到最优的预测结果。本文介绍了深度学习的实现原理和过程,利用深度学习的方法研究了人工制品的分类与识别,并通过各种人工制品的训练模型完成了人工制品的分类与识别实验。实验结果表明,对样本进行充分的训练可以获得较高的识别精度,但在实际应用环境中,识别精度还需要进一步加强。
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引用次数: 0
Research Status of Broadband Satellite and its Ground Receiving Equipment 宽带卫星及其地面接收设备的研究现状
Feilong Mao, Yiwen Jiao, Hong Ma, Zefu Gao
High-throughput satellites and satellite Internet constellations are two typical broadband satellite systems. The bandwidth and transmission rate of the system have been greatly improved in recent years. The single-satellite capacity of broadband satellites has increased dozens of times, which brings great challenges to ground receiving equipment. We have sorted out the single-satellite capacity of broadband satellites, the development of Internet satellites, and the speed of satellite communications in recent years. We then conduct a comprehensive review of terrestrial reception equipment for different broadband satellites.
高通量卫星和卫星互联网星座是两种典型的宽带卫星系统。近年来,系统的带宽和传输速率有了很大的提高。宽带卫星的单星容量增长了几十倍,给地面接收设备带来了很大的挑战。我们梳理了近年来宽带卫星单星容量、互联网卫星发展、卫星通信速度等方面的情况。然后,我们对不同宽带卫星的地面接收设备进行了全面的审查。
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引用次数: 0
Similarity-Guided and Multi-Layer Fusion Network for Few-shot Semantic Segmentation 基于相似性引导的多层融合网络的少镜头语义分割
Yemao Zhang, Wei Jia, Hai Min, Yingke Lei, Yang Zhao, Chunxiao Fan
Few-shot semantic segmentation aims to tackle the problem that segmenting unseen object class using only a few support images with the same object class. At present, most related methods focus on prototype learning or feature similarity. However, these few-shot segmentation methods do not make good use of high-level features to enhance the prediction results. In this paper, we propose a lightweight Similarity-Guided and Multi-layer Fusion Network (SMNet) with two modules including Similarity-Guided Module (SGM) and Multi-Layer Fusion Module (MLFM). Specifically, the SGM utilizes cosine similarities in multiple high-level feature layers to augment the features in middle-level from query and support image, and then augmented features are refined via a residual attention module. In order to enhance the diversity of features, we reformulate the refined features as a spatiotemporal sequence problem. Then, we introduce the MLFM, which combines two ConvLSTMs to obtain fused feature from different scales. Finally, the decoder takes fused features to obtain predicted mask. Experiment results demonstrate that our model can achieve superior or competitive performances in several datasets.
少镜头语义分割旨在解决仅使用具有相同对象类的少数支持图像对未见对象类进行分割的问题。目前,大多数相关的方法都集中在原型学习或特征相似上。然而,这些少镜头分割方法并没有很好地利用高级特征来增强预测结果。本文提出了一种轻量级的相似引导多层融合网络(SMNet),包含两个模块:相似引导模块(SGM)和多层融合模块(MLFM)。具体来说,SGM利用多个高层特征层的余弦相似度对查询和支持图像的中层特征进行增强,然后通过残差关注模块对增强特征进行细化。为了增强特征的多样性,我们将精细化的特征重新表述为一个时空序列问题。然后,我们引入了MLFM,它结合了两个卷积算法来获得不同尺度的融合特征。最后,通过特征融合得到预测掩码。实验结果表明,我们的模型可以在多个数据集上取得优异或有竞争力的性能。
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引用次数: 0
期刊
2022 3rd International Conference on Information Science, Parallel and Distributed Systems (ISPDS)
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