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Upernet optimisation and application to mousehole segmentation 超级优化及其在鼠孔分割中的应用
Kai Li, Bingming Tang, Haiyang Li, Yunpeng Jin, Jieteng Jiang, L. Chunmei
The evaluation of grassland degradation is an important part of ecological conservation research, and rodent infestation is a significant factor in grassland degradation. The presence of a large number of mouseholes means that the environmental balance of grassland has been destroyed, so the coverage of mouseholes can be used as an evaluation method for grassland degradation levels. In this paper, the image segmentation method is used to segment the mousehole images, Upernet is used as the segmentation network, and Swin Transformer as the Backbone. FAM and FSM modules are added to the Upernet network to solve the target misalignment problem when upsampling the network. The mIoU is improved by 5.3% according to the experimental results.
草地退化评价是生态保护研究的重要组成部分,鼠害是草地退化的重要影响因素。鼠洞的大量存在意味着草地的环境平衡已经被破坏,因此鼠洞覆盖率可以作为草地退化程度的一种评价方法。本文采用图像分割的方法对老鼠洞图像进行分割,以Upernet作为分割网络,Swin Transformer作为主干网。在Upernet网络中增加FAM和FSM模块,解决网络上采样时目标不对准的问题。实验结果表明,mIoU提高了5.3%。
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引用次数: 0
AR-assisted intelligent analysis and identification system for mobile vegetables diseases based on HOG-SVM 基于HOG-SVM的ar辅助移动蔬菜病害智能分析识别系统
Chao Ma, Linyi Li, Yunsheng Wang, Yong Liu, Shipu Xu
Aiming at the shortcomings of traditional disease recognition systems that require high shooting environment and large number of samples, this research designs a set of AR-assisted recognition schemes based on HOG-SVM. Under the premise of a small amount of material, due to the introduction of AR technology in the diagnostic system to assist shooting, this solution is better than other methods in terms of training time, recognition speed and average accuracy. Taking the Android terminal as an example, an AR-assisted HOG-SVM-based mobile vegetables disease identification system is implemented, which can quickly identify diseases and guide users to improve the quality of photographed pictures. Through the identification of disease spots in batches of images, the results of disease spot recognition are analyzed from the three aspects of disease accuracy, diseased leaf detection rate and disease spot location accuracy. Finally, AR technology and rapid identification scheme based on HOG-SVM are obtained. The combination can give faster training results and recognition results under the premise of small training samples. Its average accuracy is also higher than deep models such as YOLO v3, SSD 512, and Fast R-CNN. It is a more suitable method for disease identification on the current mobile terminal.
针对传统疾病识别系统对拍摄环境要求高、样本量大的缺点,本研究设计了一套基于HOG-SVM的ar辅助识别方案。在耗材少的前提下,由于在诊断系统中引入AR技术辅助拍摄,该方案在训练时间、识别速度、平均准确率等方面都优于其他方法。以Android终端为例,实现了一种ar辅助的基于hog - svm的移动蔬菜病害识别系统,该系统可以快速识别病害,并指导用户提高拍摄图片的质量。通过对成批图像中的病害斑进行识别,从病害准确率、病叶检出率和病害斑定位准确率三个方面对病害斑识别结果进行分析。最后,给出了基于HOG-SVM的AR技术和快速识别方案。这种组合可以在训练样本较小的前提下给出更快的训练结果和识别结果。其平均准确率也高于YOLO v3、SSD 512和Fast R-CNN等深度模型。是目前移动终端上比较适合的疾病识别方法。
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引用次数: 0
Detection of secondary school circuit experiment equipment based on improved YOLOX 基于改进YOLOX的中学电路实验设备检测
Ming Liang, Lijiao Liu, Yuan Zhang
Aiming at the problem that it is difficult for the existing target detection algorithms to detect high-precision circuit experimental equipment in middle school, an improved YOLOX detection network model is proposed. Based on the YOLOX network model. Firstly, the ECA attention module is added to the feature extraction network to enhance the model's ability to perceive electrical experimental equipment; Secondly, the feature enhancement structure is added to enhance the semantic information of the obtained feature map and improve the detection ability of the target; Finally, EIoU is selected as the loss function to achieve high-precision positioning. The experimental results show that the improved network model mAP reaches 91.9%, which is 1.5% higher than the original network model, which proves that the improvement is effective and feasible.
针对现有目标检测算法难以检测中学高精度电路实验设备的问题,提出了一种改进的YOLOX检测网络模型。基于YOLOX网络模型。首先,在特征提取网络中加入ECA关注模块,增强模型对电气实验设备的感知能力;其次,加入特征增强结构,增强得到的特征映射的语义信息,提高目标的检测能力;最后选择EIoU作为损失函数,实现高精度定位。实验结果表明,改进后的网络模型mAP达到91.9%,比原网络模型提高了1.5%,证明了改进的有效性和可行性。
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引用次数: 0
Sentiment analysis of 2021 Canadian election tweets 2021年加拿大大选推文情绪分析
Haojie Zhu
Sentiment analysis is the technique of automatically evaluating and classifying emotions (often positive, negative, or neutral) from textual data, such as written comments and social media posts. Sentiment analysis is a subfield of natural language processing (NLP) that employs machine learning to classify the emotional tone of textual input. The fundamental model concentrates on positive, negative, and neutral categories, but it can also include the speaker's underlying emotions (pleasure, anger, insult, etc.) and purchase intents. Complexity is added to sentiment analysis by context. For example, consider the exclamation "Nothing!" Depending on whether or not the speaker enjoys the product, the meaning can vary significantly. In order for a machine to comprehend "I like it," it must be able to decipher the context and determine what "it" refers to. In addition, sarcasm and sarcasm can be tricky because the speaker may express a favorable sentiment while intending the opposite.
情感分析是一种从文本数据(如书面评论和社交媒体帖子)中自动评估和分类情绪(通常是积极、消极或中性)的技术。情感分析是自然语言处理(NLP)的一个子领域,它使用机器学习对文本输入的情感语气进行分类。基本模型集中于积极、消极和中性类别,但它也可以包括说话者的潜在情绪(快乐、愤怒、侮辱等)和购买意图。复杂性通过上下文添加到情感分析中。例如,考虑感叹词“Nothing!”根据说话者是否喜欢这个产品,意思可能会有很大的不同。为了让机器理解“我喜欢它”,它必须能够破译上下文并确定“它”指的是什么。此外,讽刺和讽刺可能会很棘手,因为说话者可能表达了一种赞成的情绪,而意图相反。
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引用次数: 1
VIO-wheel-stereo mapping: an indoor room structure mapping system using monocular camera, IMU, wheel odometry and stereo VIO-wheel-stereo mapping:一种利用单目相机、IMU、wheel odometry和stereo的室内房间结构测绘系统
Xin Li, Kaibin Chu, Ji Zhang, Tingting Hao
This paper proposes an indoor house structure mapping system, which mainly studies the SLAM positioning, laser depth binocular camera locally built figure, robot path planning, and other issues. And the three-dimensional indoor autonomous robot is built based on called VINS system. With wheel odometry and sensor fusion, this paper realizes the robot chassis indoor high-precision positioning, indoor autonomous robots scanning walls. Finally, through the integration of several modules, the chassis robot can achieve the function of indoor independent three-dimensional drawing. This system is successfully applied on a 4-wheel mecanum small car. I take a 20 square meters underground parking lot in as the experiment area. The test shows that the system of displacement drift error within 2% and the ratio of the overall path, room-built figure area error within 3%, loopback positioning error is less than 0.1 m, the robot can work independently to complete the building figure. In the end, the system is evaluated and a commercial indoor 3D drawing scheme is proposed.
本文提出了一种室内房屋结构测绘系统,主要研究SLAM定位、激光深度双目相机局部构建图、机器人路径规划等问题。并基于VINS系统构建了三维室内自主机器人。采用车轮里程计和传感器融合技术,实现了机器人底盘室内高精度定位,室内自主机器人扫描墙面。最后,通过几个模块的集成,底盘机器人可以实现室内独立三维绘图的功能。该系统已成功应用于一辆四轮机械小车上。我选择了一个20平米的地下停车场作为实验区。测试表明,该系统的位移漂移误差与整体路径的比值在2%以内,室内建图面积误差在3%以内,环回定位误差小于0.1 m,机器人可以独立工作完成建图。最后,对系统进行了评估,并提出了一个商业化的室内三维绘图方案。
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引用次数: 0
Research on facial landmark detection algorithm based on improved attention mechanism 基于改进注意机制的人脸地标检测算法研究
Xinyi Cui, Tianwei Shi, Wenhua Cui, Ye Tao
In recent years, facial landmark detection has assumed an important role in various fields. However, the current facial landmark detection algorithms are still lacking in recognition accuracy. In order to solve the above problem, this paper uses Ghost bottleneck to replace the original bottleneck on the basis of the original model of PFLD model, and adds and improves the CBAM attention mechanism. The improved PFLD model increases the ability of the model to extract facial landmark and improves the accuracy of the algorithm. The improved model has high accuracy and low parametric number and improves the accuracy of facial landmark detection. It also provides a new idea for facial landmark detection task.
近年来,人脸标记检测在各个领域都扮演着重要的角色。然而,目前的人脸标记检测算法在识别精度上还存在一定的不足。为了解决上述问题,本文在PFLD模型原有模型的基础上,采用Ghost瓶颈代替原有瓶颈,并增加和改进了CBAM注意机制。改进的PFLD模型提高了模型提取人脸特征点的能力,提高了算法的准确性。改进后的模型具有精度高、参数数少的特点,提高了人脸特征检测的精度。这也为人脸特征检测任务提供了新的思路。
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引用次数: 0
Skeleton-based human motion prediction via spatio and position encoding transformer network 基于空间和位置编码变压器网络的骨骼运动预测
Lingchao Mi, Rui Ding, Xiaodong Zhang
Many transformer modules, have been applied to computer vision. However, the transformer can extract the distal connections of human skeleton points and apply the attention mechanism to the problem of predicting human motion pose. We introduce a transformer module in the joint dimension. In addition, the Encoder module of the transformer is improved. Finally, our method achieves impressive results on benchmark datasets, including short- and long-term predictions of FNTU, confirming its effectiveness and efficiency.
许多变压器模块,已经应用到计算机视觉中。然而,变压器可以提取人体骨骼点的远端连接,并将注意机制应用于人体运动姿态的预测问题。我们在接头尺寸中引入了一个变压器模块。此外,对变压器的编码器模块进行了改进。最后,我们的方法在基准数据集上取得了令人印象深刻的结果,包括FNTU的短期和长期预测,证实了它的有效性和效率。
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引用次数: 1
Visualization of the dynamic changes of Zhaling Lake in the past 45 years 45年来扎陵湖动态变化的可视化
Lujia Li, Shenglin Geng, Mingquan Zhou, Suxin Song
Zhaling Lake is the first lake at the source of the Yellow River. The morphology of Zhaling Lake has changed frequently in recent decades. We conducted a visual analysis of Landsat remote sensing images and weather station observations in Maduo County from 1976-2021. We derived the space-time evolution of Zhaling Lake shoreline and area change trends. This paper obtained the basic characteristics such as the area and shoreline of Zhaling Lake by using water index and visual interpretation. Based on these basic characteristics, we calculated other shoreline characteristics. We analyze the morphological, meteorological, and other data characteristics of Zhaling Lake by visualization method. Research results show that the area of Zhaling Lake is highly variable. Its overall change shows a cyclic trend of recession-expansion-recession. A significant shrinkage of Zhaling Lake occurred from 1976 to 1986, from 544.177 km2 to 537.32 km2. Between 1986 and 1993, Zhaling Lake gradually expanded, adding 9.541 km2. During 1993-2019, the area of Zhaling Lake showed a continuous trend of increase. In 2019, Zhaling Lake reached the largest area of 555.368 km2 in nearly 45 years. During 2019-2021, Zhaling Lake begins to shrink slightly again. In 2021, Zhaling Lake's area shrinks to 549.41km2.
扎陵湖是黄河源头的第一个湖。扎陵湖的形态近几十年来发生了频繁的变化。对1976-2021年麻多县陆地卫星遥感影像和气象站观测资料进行了目视分析。得出了扎陵湖岸线的时空演变和面积变化趋势。采用水体指数法和目视解译法,获得了扎陵湖的面积、岸线等基本特征。基于这些基本特征,我们计算了海岸线的其他特征。采用可视化方法对扎陵湖的形态、气象等资料特征进行分析。研究结果表明,扎陵湖面积变化较大。其总体变化呈现出衰退-扩张-衰退的循环趋势。1976 ~ 1986年,扎陵湖面积从544.177 km2减少到537.32 km2。1986 - 1993年,扎陵湖逐渐扩大,新增面积9.541平方公里。1993-2019年,扎陵湖面积呈持续增加趋势。2019年,扎陵湖面积达到近45年来最大,达到555.368平方公里。2019-2021年,扎陵湖又开始小幅萎缩。2021年,扎陵湖面积缩减至549.41平方公里。
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引用次数: 0
New energy micro training and mobile office application based on 5G 基于5G的新能源微培训及移动办公应用
Changle Yu, Suofei Zhang, Yongfei Yi, H Zhao, Yanchen Ji
The current mobile office data transmission management involves the problems of image traffic and delay, which leads to the low efficiency of mobile office applications. Therefore, this paper proposes a new energy micro-training and mobile office application based on 5G. After standard processing of mobile office images, a communication model is built to transmit information by using the characteristics of the continuous and rapid decline of 5G peak bandwidth. The experimental data shows that the time consumed by the new method is controlled below 1s, which proves that the new energy micro-training and mobile office under 5G can handle higher computing and processing needs. Even if more files are superimposed, they can be transmitted quickly in a shorter time. The method in this paper can ensure that the data transmission has a good quality of network experience, which meets the needs of mobile offices.
目前的移动办公数据传输管理涉及到图像流量和延迟问题,导致移动办公应用效率较低。为此,本文提出了一种基于5G的新能源微培训及移动办公应用。对移动办公图像进行标准处理后,利用5G峰值带宽持续快速下降的特点,建立通信模型进行信息传输。实验数据表明,新方法所消耗的时间控制在1s以下,证明5G下的新能源微训练和移动办公可以处理更高的计算和处理需求。即使叠加更多的文件,也可以在更短的时间内快速传输。本文的方法可以保证数据传输具有良好的网络体验质量,满足移动办公的需求。
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引用次数: 0
Region of interest image encryption method based on panoramic segmentation and a novel coupled chaotic map 基于全景分割和一种新的耦合混沌映射的感兴趣区域图像加密方法
Hangming Zhang, Hanping Hu
Social media is a platform for people to share their lives and interact with others. Image sharing is an integral component. Privacy information will inevitably be compromised during the process of sharing whole photos. Sometimes, it is not even caused by the person who shares the image but the third party who forwards the image. In the majority of cases, we do not attempt to protect the entirety of the media; rather, we seek to protect the most crucial portion, whether it is the background or specific objects, which decreasing superfluous cryptography procedures. Unfortunately, current research on such field is extremely rare. In this research, we established a novel pixel-level image encryption technique relying on Panoptic FCN panoramic segmentation and chaos for client-intended images on social media sites. Our suggested technology is capable of automated picture encryption on either the whole images or user-selected areas, whether they are rectangular or irregular, which is suited for all region of interest (ROI) encryption. Relying on a novel coupled chaotic map, this universal new encryption method flattens the array of the image ROI into a series of pixels. The module of Panoptic FCN can be replaced by any other panoptic segmentation models which are stronger in performance. Statistical and cryptographic evaluations demonstrate that our technique preserves the high efficiency for practical applications.
社交媒体是人们分享生活和与他人互动的平台。图像共享是一个不可或缺的组成部分。在分享整张照片的过程中,隐私信息不可避免地会被泄露。有时,它甚至不是由分享图像的人引起的,而是由转发图像的第三方引起的。在大多数情况下,我们不会试图保护整个媒体;相反,我们寻求保护最关键的部分,无论是背景还是特定对象,这减少了多余的加密过程。不幸的是,目前对这一领域的研究非常少。在本研究中,我们建立了一种新的基于Panoptic FCN全景分割和混沌的像素级图像加密技术,用于社交媒体网站上的客户端图像。我们建议的技术能够对整个图像或用户选择的区域进行自动图像加密,无论它们是矩形还是不规则的,都适用于所有感兴趣区域(ROI)加密。这种通用的新加密方法依靠一种新的耦合混沌映射,将图像ROI阵列平坦化为一系列像素。Panoptic FCN模块可以被其他性能更强的Panoptic分割模型所取代。统计和密码学评估表明,我们的技术在实际应用中保持了很高的效率。
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引用次数: 0
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International Conference on Artificial Intelligence, Virtual Reality, and Visualization
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