In view of the lack of a complete set of index system in the current network security situation assessment for video private networks, the article studies the construction of network security situation index system. Firstly, the paper focuses on the research and analysis of the network security risk...

The accuracy and robustness of the object tracking algorithm have been influenced by the intra-class interference when tracking pedestrian. In this paper, we analyze the drawbacks of current tracking algorithms and propose a model to combine the visual feature and language priori to improve the perf...

Law enforcement on express roads in moving car requires to semantically analyze the road by lane detection algorithm, but the accuracy and recall rate of the algorithms based on human-crafted features are not good enough, and the algorithms based on deep learning require too much computing resource....

In solving vehicle re-identification problems, different vehicle regions have different recognition degree of confidence. Based on this observation, we propose a vehicle re-identification optimization algorithm that takes advantage of the high-confidence local features. First, the vehicle key point ...

White-box cryptographic video data sharing system based on SM4 algorithm is a system that guarantees the security of cross-level and cross-domain sharing of surveillance video data.In this paper, we propose a white-box cipher implementation method based on SM4 cryptographic algorithm, and analyze th...

The problem of video traffic transmission has become a research focus in the task of high-performance video stream transmission. In this paper, a model based on PF_RING is proposed to solve this problem. In this model, PF_RING+TNAPI technology, memory routing table, multi-core, multi-queue multi-thr...

Using AI and deep learning technology to automatically analyze massive Internet pictures, quickly and accurately identifying harmful images related to terrorism and dealing with them in time is one of the important means for anti-terrorism work. This paper studies how to use deep learning and transf...

Cross-domain is one of the main challenges of person re-identification which is an important investigative method in criminal investigation cases, and that restricts the practical application of re-identification. In this paper, cross-domain invariance feature model based on pedestrian partial seman...

With the diversified development of media data, the cross-domain retrieval between images and 3D models becomes a new challenge for 3D model retrieval. In view that images and 3D models are extremely different and hard to match, a cross-domain retrieval algorithm based on triple network is proposed ...

To solve the problem of image quality degradation caused by Gaussian blur and Poisson noise, an image deblurring method based on structural weighted low-rank approximation is proposed. First, a structural transformation is introduced by subsequently combining the four basic operations of scaling, ro...

To enhance a low-light image and mitigate noises simultaneously, we propose an image enhancement algorithm by learning Shrinkage Field (SF) to improve the reflectance image and the illumination map in Retinex model. To this end, first, we design a novel objective function by constraining the latent ...

Under the thermal infrared video surveillance, in order to solve the problem of the gray value inversion in thermal infrared image caused by the changes in ambient temperature, this paper proposes a method of extracting the foreground area of pedestrian objects by the fusion of boundary feature and ...

Criminal investigation is the basic requirement for cracking down on crimes and ensuring the long-term security of the country. One of the key points in criminal investigation is how to effectively use the collected information. In order to support criminal investigation better, an intelligent crimi...

Public safety video surveillance has played an important role in the battle against Corona virus disease 2019. Aimed at the characteristics of high population density, large flow of people, and the easy spread of Corona virus disease 2019 in China, an intelligent temperature detection and health big...

Pedestrian re-identification has always been an important part of image retrieval. However, due to different pedestrian poses and complex backgrounds, the extracted pedestrian features are not robust and representative, which in turn affects the accuracy of pedestrian re-recognition. In this paper, ...

In order to solve the problem of more convolutional model parameters and slower convergence speed during training, an improved face recognition method based on MobileFaceNet network is proposed. First, we use the MobileFaceNet network to extract facial features. In the process of extracting features...

The feature points extracted by the traditional ORB algorithm are not evenly distributed, are redundant and have no scale invariance. To solve this problem, this paper proposes an improved ORB algorithm based on region division. According to the total number of feature points to be extracted and the...

To detect the physiological signals related to vital signs via facial video is easily affected by ambient lights and head motions. In order to reduce the disturbance and increase the accuracy of estimations of vital signs, this paper proposes a facial video analysis method that combines Ensemble Emp...

For the public security monitoring system, a lightweight multi-target real-time detection algorithm is proposed in order to realize the accurate intelligence of the content analysis and improve the actual service ability. First, the multi-fusion gradient cascade structure of CBNet is added based on ...

Space scale variation of pedestrian instance is one of the main bottlenecks affecting pedestrian detection performance. For this issue, a Trans-Scale Feature Aggregation Network (TS-FAN) is proposed to effectively deal with multi-scale pedestrian detection. First, in view of the feature differences ...

As for that end-to-end feature extraction and classification based on deep learning often used in facial expression recognition, a new method of depth model optimization has been proposed. This paper proposes the joint optimization strategies learned from ResNet18 residual network and normalization ...

Palmprint is a biometric feature with great application potential due to its stability, uniqueness, hardness in copying, and easy access.In the palmprint recognition, palmprint Region of Interest(ROI) acquisition and palmprint enhancement usually have the problems of high time cost and high dependen...