In recent years, numerous surveillance cameras are widely installed in the streets, residential areas and traffic routes to protect the national public security. Since interested objectives are often far away from the camera, the resolution of these target images are always in low-resolution (LR). It...

Aiming at hand feature detection and recognition problem in the natural interaction, especially for the problem that finger was ignored or undetected in the current method, we propose, an improved Adaptive Mean-SHIFT(CamShift) algorithm which combined skin color detection to track and detect hand information...

The use ofWLAN (Wireless Local Area Networks)for indoor localization is an important content in the field of mobile Internet, usually based on the Received Signal Strength(RSS) and the fingerprinting algorithms. Due to the characteristics of the RSS, environmental factors have great influence on the...

In this paper, a new face recognition algorithm based on Haar-Like features and Gentle Adaboost (GA) feature selection via sparse representation was proposed. Firstly, all the images including face images and non-face images were normalized to size 20×20, then Haar-Like features were extracted from the...

Appraisal theory has been focused on by more and more scholars because of its powerful function of analyzing interpersonal meanings, which not only pays attention to the contents and structure of discourses, but attaches more importance to speakers’ or writers’ attitude, stance and emotional tendency...

In order to effectively detect the abnormal data of the liquid drop in the droplet analysis system and to improve the accuracy of the liquid drop fingerprint, a new method based on boxplot is put forward. After optimizing the 12 dimensional feature vectors of the liquid drop fingerprint, visualization...

The Bag-of-visual-words (BOVW) model discards image spatial information, and the computing cost is expensive on spatial pyramid matching(SPM) model. Due to sparse coding approach exhibit super performance in information retrieval, hence, we propose a new sparse coding image retrieval algorithm. Using...

The hospital discharge summaryis an essential document, containing clinical and administrative information necessary for the continuity of care after the patients are discharged from hospital. The utilization of electronic discharge summaries has grown in popularity. However, many transcription errors...

Fruit images segmentation is one of the important issues for fruit recognition. Inspired by the retina structure, a colour perception neural network is proposed to extract multiple colour features, and is applied to tomato fruits segmentation under natural complex background. The network is composed...

Pedestrian detection is a hot and difficulty topic in computer vision. This paper presents a zenithal pedestrian detection algorithm designed with the circular feature of pedestrian head in case of top view. It is a reliable pedestrian detection strategy for intelligent illumination control system. The...

This paper proposes an algorithm fusing the Particle Filter and Camshift for improving tracking performance. The algorithm creates a dynamic model which integrates the information of color and motion, uses Camshift to optimize the state of particles and embeds Camshift into Particle Filter. The experimental...

The tracking and extraction the hand pose is the previous work of gesture analysis.I n this paper, a mixed Gauss model based level set contour extraction algorithm is presented. The algorithm combined with the mean shift algorithm to achieve the extraction of hand contour dynamically in a video sequence....

Interactive image segmentation requires adjusting label information manually which will lead to tedious marking process. We propose an auto-marking image segmentation method. It can obtain the object prior and background prior automatically. We segment an image into superpixels (regions) and get the...

Aiming at the problem that uneven illumination in natural scene image has serious interferences on accurate text location, a new method based on homomorphic filtering and color distribution is presented. The homomorphic filtering is to reduce illumination changes and enhance the edge details. Utilizing...

This paper proposes a large-number images processing model based on Hadoop platform. According to this model, the task allocation strategies are investigated for large-number image processing on the isomorphic Hadoop clusters and heterogeneous Hadoop clusters. Firstly, a series of different experiments...

The optimal trajectory-tracking control method for the underwater profiling monitoring vehicle (UPMV) is investigated. Firstly, the system dynamics of the UPMV is modelled and the quadratic performance index is chosen for considering the tracking control precision and energy consumption. The optimal...

With the rapid increase of vehicle holdings, urban transport is facing a severe test. Driver-assistance systems (ADAS) can effectively avoid happening of traffic accidents. Real-time detection of moving vehicle based on vision has become a research focus of ADAS. A method of multiple features fusion...

In this paper, we proposed an improved saliency computing method based on BING method.We observedthat the undetected objects of BING method have something in common-that is, most of them are occluded or truncated. Therefore, we improved BING method by:Firstly, make a new training set with undetected...

In the usual reliability analysis, researchers often acquire the reliability information about a product by reliability tests and usually regard the product as a whole object to study. Also, the relationships between the attributes of the product are usually ignored. Base on the non-IIDness learning,...

The aqueduct is an important hydraulic structures across the river and traffic line network, and is also an important Hydraulic structures of The south to North Water Diversion Project in China. In this paper Gegou aqueduct is taken as the research object. And a three-dimensional finite element model...

In design of aqueduct structure, natural frequency calculation is the basis of earthquake response analysis. In this paper, the dynamic characteristic of Gegou U shape aqueduct is calculated by the finite element software ANSYS. And in this software, the interaction between water and aqueduct wall is...

In this paper we proposed a block cryptosystem based on 1d-k5 Chain C CA, by alternatively iterating left- and right-toggle chain rules, this kind of encryption is achieved by backward iteration and decryption is realized via forward iteration. From theory proof, we can ensure the security of the cryptosystem,...

Temperature profile of an inclined elliptic cylinder is studied experimentally using optical interferometry. Interferograms of the elliptical cylinder with an isothermal surface were recorded by He-Ne laser. The cylinder were placed with its major axis inclined 30° with respect to the horizontal. Temperature...

In this paper, the observer design method is proposed for nonlinear delay neutral system, and makes the system convergence to theequilibrium point in the exponential speed. Base on the Lyapunov theorem, adaptive controller method and linear matrix inequalities (LMIs) method, an observer can be get with...

In order to explore the applications of single negative metamaterials (SNM) in wireless system, the electromagnetic properties of composite structure constructed by the SNM and air are investigated by means of transfer-matrix method. The results show that the tunneling phenomenon will happen in the sandwich...

In this paper, the finite element method was used to analysis the modal characters of a reinforced concrete pedestrian bridge structures. The relationship between parameters and structural vibration frequency was found by parametric analysis. Structural dynamic conditions corresponding state occurred...

This thesis talks about the preliminary study on the modification of the new C-Bézier curves, Asuccinct for mulafor calculating the derivative of the degree 3C-Bezier curve is given. It studies the four order C-Bézier curve fairing problem. Fairing C-Bézier curves are satisfied by adjusting the shape...

This paper takes Chinese National Parks as our sample, which were authorized by China's State Council. By means of GIS and Excel spatial analysis tools and some quantitative analysis methods such as the standard deviation, coefficient of variation, geographic concentration index, attractive model and...