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For the problem that INS/GPS/ADS integrated navigation cannot accurately isolate faults, this paper establishes the chi-square detection models of INS/GPS and INS/ADS and the least squares detection model of GPS/ADS. A new isolation method is designed using the standard residuals component, which solves the position drift problem caused by isolating faulty GPS. By analyzing the diagnostic features...Show More
A self-organization multi-model cameras system for robust moving object detection is introduced. The system has three modules: automatic registration, cooperative motion detection and camera parameters change detection. The registration module automatically register visual camera and IR camera based on co-motion statistics. The cooperative motion detection produces precise results bases on coopera...Show More
Infrared small target detection is a crucial and challenging topic for various applications. In recent years, the spectrum scale space (SSS) algorithm has shown considerable potential in the field of target detection. However, the SSS algorithm is prone to high false alarm rates in infrared small target detection scenarios with complex background. This paper proposes an improved SSS (ISSS) algorit...Show More
In this paper, we present a fast object detection algorithm based on color histograms and local binary patterns (LBP). The proposed method consists of two steps: coarse target object detection and precise target object detection. During the coarse target object detection step, a small number of target candidates were generated using integral color histogram matching. To reduce computational comple...Show More
It is necessary to study a kind of network intrusion detection method which realizes faster attack detection and response. In order to improve the network intrusion detection precision further, Network intrusion detection method based on Agent and SVM is proposed to recognize the intrusion types in the paper. The network intrusion detection system based Agent and SVM are created. Then, network Int...Show More
Rapid and accurate collision detection is of critical importance in physical simulations and in interactive use of virtual environments. At the same time, the complexity and the real-time of virtual environment bring a higher requirement to collision detection. In this paper, we present a novel collision detection algorithm based on the slice projection (SP). The process contains coarse detection ...Show More
Detecting temporally precise and fine-grained events from tennis videos is important in automatic video annotation. This paper addresses the challenges of recognizing a sequence of events from tennis video clips, focusing on accurate timestep identification and distinguishing subtle class differences. We propose a novel but simple end-to-end event detection network to accurately detect and identif...Show More
With the deep research on autonomous driving, the target detection algorithms based on 2D images have become a hot topic in recent years. In this paper, we mainly study the six mainstream deep learning detection algorithms, namely YOLO, YOLOv2, YOLOv3, YOLOv4, SSD and RetinaNet, which are used as the representative algorithms of the one-stage object detection methods. This paper is a review of the...Show More
In this paper, a new algorithm for line detection was proposed. It finds out both ends of a possible straight line by searching the relative maximum points on closed envelope of Canny edge, then obtains the fitting variance of the possible straight lines through least squares fitting, and at last detects the straight lines in images through the ratio between fitting variance and line length as the...Show More
Presents an enhanced small target detection algorithm for edge scene applications based on the improved YOLOv8 framework, termed YOLOv8-VCS. The primary focus is on the detection and identification of small objects within edge scenarios, characterized by environments with limited computing resources, such as smart cameras and IoT devices. Recognizing the significance of efficient small target dete...Show More
The detection of overlapping tank targets in visible battlefield reconnaissance image was mainly studied. Analyzed the problem of the target detection of the Faster RCNN based on NMS and proposed the method of SNMS to improve the precision of detection and positioning of tank target detection in overlapping cases. In the process of bounding box regression, the traditional non-maximum suppression[4...Show More
A drainage pipe defect detection model based on improved YOLOv5 is proposed for the problem of leakage and error detection in the manual inspection of drainage pipes. First, the proposed CSSPPF module is added to the YOLOv5 network to enhance multi-scale feature learning, enhance feature map detail information extraction, and improve the detection precision of similar defect objects. Secondly, the...Show More
Printed circuit board (PCB) is one of the most important components in electronic products, and with the improvement of production technology, the structure PCB is more and more refined, so it is very important for the quality inspection of PCB. The traditional PCB defect detection methods are slow, error prone and the cost of detection is high. With the development of deep learning, there are man...Show More
Fire, as a type of disaster, poses a significant threat to both life and property safety. Therefore, timely and accurate detection of fire occurrences is of utmost importance. However, current fire detection methods that rely on traditional sensors suffer from limitations such as a high false alarm rate and extended response time. In this manuscript, we propose a novel fire detection method based ...Show More
Sound event detection is pivotal in various applications, including environmental monitoring and surveillance systems, enhancing situational awareness and response strategies. This paper investigates the intricacies of overlapping sound events, where multiple events occur concurrently, creating complexities in accurate detection. Traditional methods falter when confronted with this challenge, nece...Show More
Fittings play an important role in ensuring the safety and stability of transmission lines. Effective detection of these fittings is a prerequisite to upholding their reliability and security. Classic detection techniques only focus on the region and type of fittings, which needs to be improved to find potential problems such as misalignment. We propose a novel method to detect the exact location ...Show More
Speed and precision are important for object detection algorithms. In this paper, a novel object detection algorithm based on color histogram and adaptive bandwidth mean shift is proposed. The algorithm is capable of detecting objects rapidly and precisely. It is composed of two stages: a rough detection stage and a precise detection stage. At the rough detection stage, histogram back projection a...Show More
Ellipse detection is one of the important parts of intelligent manufacturing, and the efficient detection of elliptical contours corresponding to hole parts is the prerequisite before performing practical applications. Aiming at enhancing the efficiency in ellipse detection, a fast and high-precision ellipse detection method based on the Candy’s theorem is proposed, in which the constrained simple...Show More
Detecting objects in aerial images is challenged by variance of object colors, aspect ratios, cluttered backgrounds, and in particular, undetermined orientations. In this paper, we propose to use Deep Convolutional Neural Network (DCNN) features from combined layers to perform orientation robust aerial object detection. We explore the inherent characteristics of DC-NN as well as relate the extract...Show More
In recent years, attention has been paid to developing object detection methods from images, based on deep learning. In particular, toward self-driving cars, it is essential to make the detection as accurately as possible, as quickly as possible, as economically as possible. Here, we focus on SSD: Single Shot MultiBox Detector (SSD300) and attempt to improve it with less GPU memory. We propose a n...Show More
Nowadays, there is a high demand for product detection in the background of shelves. Considering the structure of the shelf and the placement of products, this paper proposes a shelf product detection method based on RFBNet and combined with traditional image processing methods. The method firstly uses the edge detection and other image preprocessing methods to separate the shelves layer by layer ...Show More
In this paper, we describe a robust object detectionmethod using Decision Trees and a new cascade architecture.On the one hand, we design a weak classifier formulti-valued features on AdaBoost algorithm based on DecisionTrees Method, which directly reduces training timeand increases the object detection’s precision. On the otherhand, the use of new cascade architecture is great helpfulfor the prob...Show More
This study investigates the utilization of YOLOv8 architecture to detect and categorize defects in ‘Carabao’ mangoes, using machine learning and object detection methods, the model was trained on a dataset comprising 2,160 annotated images, augmented to enhance performance. Results demonstrated high accuracy rates: 100% for black spot, 80% for brown spot, and 83.33% for mango scab in real time app...Show More
Accurate detection of ships in maritime scenarios is conducive to improving transport efficiency and reducing the occurrence of maritime traffic accidents. However, ships under the drone perspective are small and have various scale variations, affecting the detection algorithms. Aiming at this problem, this paper proposes a maritime object detection method based on YOLOx. First, the ship data in t...Show More
Aiming at the problem of the bad performance of current automatic driving perception algorithm in foggy weather, this paper proposes a vehicle and pedestrian detection algorithm in foggy weather based on improved YOLOv5s. Firstly, based on Cityscapes dataset, artificially generate foggy images of three concentrations to form Foggy Cityscapes dataset. Secondly, C3STR structure is introduced into th...Show More