The traditional recommendation algorithms of image tagging ignore the diversity between the visual content information and the tags recommended, which causes the recommended results have the problem of tag ambiguity, tag redundancy and so on. Therefore, this paper proposes the recommendation algorithm...

A new region-based image fusion technique using the contourlet transform (CT) is proposed to produce a fused image better for human and machine interpretation. For good properties of multiscale, localization, directionality and anisotropy, the infrared and visual images are first decomposed using contourlet...

This paper mainly aims at the algorithm of scene categorization. Firstly, putting forward by using the edge information of training set image to modela probabilistic generative model, and getingt the shape prior distribution of each scene category by learning, and inferencing to get the boundary distribution...

Deduplication technology is widely used to eliminate duplicate data and save resources in storage systems of modern data centers. However, from the energy point of view, deduplication cannot always achieve good energy efficiency for storage systems. In this paper, we propose an energy-aware deduplication...

In this paper, we applied wavelet permutation entropy to analyze the Ventricular Fibrillation (VF) signals and Sudden Cardiac Death (SCD) signals for making an effective distinction from normal sinus rhythm (NSR) signals. Firstly, three different ECG signals are decomposed by wavelet and reconstructed...

In this paper, a new bivariate shrinkage denoising method is proposed to model statistics of shearlet coefficients of images. Using Bayesian estimation theory we derive from this model a simple non-linear shrinkage function for shearlet denoising, which generalizes the soft threshold approach. Experimental...

In this paper, a novel image fusion method is proposed which combines nonsubsampled contourlet transform (NSCT) with PCNN. Firstly, it makes use of the NSCT’s shift invariance to suppress the pseudo-Gibbs phenomena around singularities, which appears in the DWT. Secondly, the edge feature is used to...

This paper use two statistics methods to analyze the texture character in image. First it proposes cross-correlation function method. Most existing texture analyze method can only analyze the texture character of the whole image or a region in the image. But cross-correlation function can indicate the...

This study aims at developing an approach to the target positioning systems form images captured by camera based on its image geometry. This approach consists of the coordinate transformation between camera film coordinate system and fixed coordinate system, image geometry analysis, distribution analysis...

Hadoop is a reasonable tool for cloud computing in big data and MapReduce paradigm may be a highly successful programming model for large-scale data-intensive computing application. However, traditional Hadoop and MapReduce have been deployed over local or tightly-coupled cloud resources with one data...

Image feature points detection and matching is the key to binocular vision system performance. The paper is to improve its matching accuracy. In the experiments, Harris algorithm, Susan algorithm and CSS algorithm were used on the same image to extract feature points. Compared with each other, three...

Sina Weibo, as the most popular Chinese microblogging social network, has huge amounts of information that reflects all aspects of our social life. For discovering the hidden patterns or rules, this paper presents a Sina Weibo oriented data mining system named as Reading-Weibo. The system can conduct...

As one of the most successful recommendation approaches, collaborative filtering (CF) has been attracting an increasing amount of interest in academia. However, the cold-start problem, where historical data is too sparse since new users have not rated enough items, limits the success of collaborative...

This paper presents a structure tensor to nonlinear diffusion filtering for the infrared multi-band finger vein images to solve the lower contrast and uneven gray distribution in the infrared single band finger vein image. This joint structure tensor makes the nonlinear diffusion along the vein tendency,...

Cloud storage provides a lot of data access service, but may bring serious security problem. In this paper, it discusses cloud storage’s demand for data confidentiality, integrity, availability, then puts forward the corresponding solutions. It uses incomplete encryption, users manage the key independently....

In the process of interior decoration, customers don't know which is more suitable. This paper introduced how to realize the virtual interior decoration effect through the VRML. Customers can compare the different kinds of effect drawing, they can see the end of the decoration effect, so it is convenient...

With the improvement of display manufacturing technology ,4K LCD of Ultra High Definition resolution emerges as the times require.In order to realize five view auto-stereoscopic display on 4K LCD and make people get the more shocking stereo vision from multi angle,a five view Ultra High Definition stereo...

Aiming at the problem of tilt, deformation, vibration and other issues when capturing image by mobile device, the image has been processed for scaling, rotation, mirror, shear based on mobile device, and the actual simulation experiment based on iOS platform has been done, and achieve better results....

The paper studies the edge detection of infrared image. Aiming at the disadvantage of the low contrast and the fuzzy edge in infrared image, a new algorithm of infrared image edge detection based on mathematical morphology and Sobel operator is proposed. Firstly, it uses four operations of mathematical...

E-card system is widely used in campus. This paper analyses the data of a campus E-card system. First of all, extracted the transaction data from the database and processed the initial data with different methods. For the second, analyze the record amount data with cross table and histogram. For the...

High frequent network request pattern in office automation system (OAS) is one kind of important network behaviors which can affect the performance of OAS, especially OAS in intelligent building. High frequent network request patterns in one OAS can be mined from network access log file of the OAS. To...

In this paper, a mean quantization based synchronous digital audio watermarking method on wavelet domain is proposed, which is a blind detection algorithm to detect without the original audio signal. It introduces coefficient of mean quantization algorithm, and averagely quantize low-frequency coefficients...

Aiming at the problem of low accuracy of the target for one UAV(Unmanned Aerial Vehicle), according to the UAV’s characteristics of UAV aerial images, POS dates and satellite digital map, a UAV image matching and targeting method is presented based on POS. At first, using the Gaussian pyramid optical...

Image fusion is multi-source channel to collect on the same target image through image processing to extract certain, respective channel information, and finally integrated into the same image for observation or further processing.This paper presents a method of image fusion based on improved Brovery...

Compared to traditional file storage, "Cloud Storage" has the advantages of low cost, high efficiency and large storage volume etc, drawing more and more attention from public, but at the same time, it also has certain problem and risk. This paper describes in details the advantages and characteristics...

In order to reduce the conflict between pedestrian and vehicle at intersection under real-time changes,different traffic status at cross intersection and T-shaped intersection two typical intersections on present urban roads are chosen as analyzing objects, and through the redesigning of signal phrases,...

We introduce a new approach to image decomposition and reconstruction. We propose a double filter bank structure, named the pyramidal directional filter bank,by combining the Laplacian pyramid with a directional filter bank. Contourlet transform is a multi-scale and multi direction method of two-dimensional...

Since the near duplicated video detection in this study has obvious relevance, namely testing two videos are the same or nearly the same, thus the method in this article does not focus on the structural analysis of the video, but on two main points: 1) effective elimination of redundant video frames...

This paper proposes a model named Independent Component Analysis with Reference Curve (ICARC) to extract and remove artifact signal from Electroencephalogram (EEG). Firstly, an additional requirement and a priori information are introduced directly into the contrast function of the traditional ICA model....

How to protect sensitive data privacy is one of the research focus in the field of data mining, especially in the case of the data distributed storage, and the meaning of data privacy protection is particularly important. Secure multi-party computation security multiparty computation password primitives...

This paper implemented effective associate rule mining based on Hadoop parallel computing. First, the parallel FP-growth algorithm was run on Hadoop platform to find the frequent item sets of the transaction data. Second, the strong association rules was generated from the frequent item sets by a designed...

Astronomical observation produces a large amount of data. The effective storage of the data is an important work. In this paper, the automatic processing of this kind of data was studied in order to solve this problem. The log file, the personnel on duty manual record data and information in exposure...

In order to improve image quality in image processing, image enhancement method plays a very important role. This paper makes an exhaustive study of some enhancement methods such as contrast enhancement, image smoothing and image sharpening. And these methods are applied to License plate recognition....

In this paper, textural features of natural image are researched from the perspective of highly nonlinear approximation theory, in view of the characteristic that a contour of natural image is composed of piecewise regular geometrical curves of the image plane. According to nonlinear approximation theory...

The existence of the harmonic seriously influences the quality of the power grid electricity .In order to guarantee the safe operation of power system, it must be accurately detect harmonic and analysis harmonic components in the grid .Usually harmonic signal consists of fundamental wave, every harmonic...

In the virtual reality, render to textures technology was widely used in animation, model making software or engine both have texture baking function. The baking technology can preprocess the virtual reality scene model, the shadow information is rendered into a map in the engine, it can no longer carry...

It is introduced in this paper the principle of wavelet de-noising, wavelet base, the choice of wavelet decomposition level, the wavelet threshold selection for signal de-noising effect is analyzed. Matlab software for simulation study is made on the wavelet noise reduction; In the seabed sediment acoustics...

Aiming at the problems in service oriented real-time multimedia transmission, such as a long delay, frequent jitter and low reliability, this paper proposes LD-RPath algorithm LD/RPath estimates the dynamic data volume on service nodes and links through reasonable data volume approximation. And the data...

A method begins by a processing module of a dispersed storage network (DSN) obtaining utilization information regarding a plurality of storage units of the DSN, where first and second sets of storage units support a first logical storage vault. The method continues with the processing module detecting...

For the massive image data and the problem of “dimension disaster”, this paper proposes the BOF-based image retrieval improved algorithm, and combines with VLAD and soft assignment it generates the soft assignment local aggregation descriptor (SA-VLAD) which has a better ability to resist the dimension...

In order to eliminate the redundancy of the video on visual information and improve the matching speed of video sub-sequence, an efficient solution is to extract a set key frame which is far less than an entire video frame to represent the video content. The common practice of extracting the video key...

The theory and function of mathematical imaging simulation system based on underwater multi-targets were introduced in this paper. The accuracy and feasibility of the simulation system that had a good image display function and the dynamic simulation function with OpenGL graphics library were provided...

A new method based on Volterra filter is introduced to extract weak signal in strong chaotic noise. A nonlinear prediction model is established by combining phase space reconstruction and adaptive Volterra filter. Self-noise of ship is used for training the prediction model. The model has a good prediction...

based on the chaotic binary sequence and the baker mapping, this article puts forward an image encryption algorithm combined image scrambling and diffusion. Firstly, we use an improved baker mapping algorithm to scramble the primary image, which expands the range of the mapping to a non-square image....

As a kind ofnon-stationary time-frequency signal, Hyperbolic Modulation Frequency is widely used in the field ofunderwater communication, radar and wireless communications. Especially under the condition of the strong doppler effect, the doppler resistance of HFM signal is better than that of linear...

The automatic modulation identification for communication signals is an important problem in the intercepted signal processing and widely used in non-cooperation communication of military and commercial. This paper proposes a method that based on the second and fourth order cumulants of received signal...

Chaos system possesses the characteristics that it is immune to noise and signal whose frequency is quite different from that of inner signal in chaos system and it is sensitive to the signal whose frequency is same as that of inner signal in chaos system. Therefore the method for detection of weak signal...

Impulse noise and large scale single-frequency noise have an enormous effect on underwater acoustic communication and they often exist in the received signal. This paper focuses on noise mitigation when the two kinds of noise both exist. These interferences are sparse, and they have lager amplitudes,...

This paper presents the reliability analysis of the wet-end in underwater guard system. The difficulties in using active sonar in an underwater guard system include high reliability and the maintenance ability. The reliability block diagram of the system and main components was modeling, and the hazard...

The triplet arrays provide the ability to solve the notorious port-starboard (PS) ambiguity problem of ordinary single line array. Cardioid beam pattern is provided by the triplet arrays structure by using the time delay of received signals and noise correlation model. The received noise is composed...

This paper proposes a target track detection method based on RHT idea in active sonar image process. The method takes advantage of speed limitation of underwater maneuvering target which means the target track distributed in local space, by means of statistical similarity analysis applied to image pixels...

The conventional method in target noise simulation which generally applied for verifying signal processing algorithm always use CW or LFM signal plus with pseudo-random sequences. But the reality target which has numerous machines complicates the radiated noise with propulsion, control, and habitability....

The issues of bubble-size spectra estimation were researched using the bubble resonance theory and an iterative approximation, in order to further understanding the performance of the two approaches for determining bubble-size spectra, the estimation accuracy of four bubble-size spectra models have been...

Signal parameter estimation is a part of the signal processing, this paper focus on the weak LFM parameter estimation by stochastic resonance, the twice sampling and different step make sure the bistabe system reach to resonance, then the SNR is improved, the high resolution estimation is come from the...

Two designs of parametric sonar with respect to their linear counterparts which usually used as harbor and port security sonar are presented. One design is working at the frequency of 30 kHz according to the frequency of a linear sonar, but this frequency is the difference frequency for the parametric...

Ship propeller beats have obvious amplitude modulation to the cavitation noise of its radiation. The DEMON (Detection of Envelope Modulation on Noise) spectrum analysis technology is to demodulate the high frequency components to get the low frequency modulation components. This paper studied the new...

Two kinds of application of log-polar coordinate transform based on human visual structure model in image processing are introduced: image registration and image compression. New solutions and improved measures are proposed in these two areas. In the field of image registration, improvement measures...

Structural strength and stacking compressive performance of packaging box is an important performance index. Finite element analysis on structural strength and stacking compressive performance was completed by ANSYS Workbench for a new type of LLDPE packaging box, and the strength of packaging box was...

An efficient SAR image fusion algorithm for multi-band SAR images based on tetrolet transform is proposed. Tetrolets are Haar-type wavelets whose supports are tetrominoes which are shapes made by connecting four equal-sized squares. Firstly, the multi-band SAR images can be decomposed into low-frequency...

When many people are still praising the amazing screen of new iPad, a kind of imaging technology with twice higher resolution ratio, 4k, enters into our sights. At present, SONY, Canon, Toshiba, sharp, JVC have released 4k video products, including flat-screen televisions, monitors, video camera, projector...

Aiming at the difficulty in X ray diagnosis for the sacroiliac joint’s subluxation, the sacroiliac joint images for a patient’s physiological state and pathological state are analyzed in this paper. We find that the image of the iliac pro-up shift 7mm is similar to that of the pelvic rotation 10º around...

Quantitative statistics analysis of lineament has been widely carried out in geological research, and Landsat data have been used most extensively for remote sensing geological investigations. This paper made an interpretation of lineament from Landsat-8 imagery and summarized the direction distributed...

The paper based on the analysis of the regional geological background of Maoping lead-zinc deposit and extract alternation information in the area through ETM+ remote sensing image. It used principal component analysis to extract the alternative anomalies.We can research on the alternation anomalies...

In this paper,a fast and efficient video stabilization method based on speeded-up robust features (SURF) is presented .We adopted speeded-up robust features as feature descriptor,which are extracted and tracked in each frame .After that, we further refined the matching features through RANSAC, estimating...

In order to filter out all kinds of interference noises in batching control and improve the precision of the ingredients, a morphology filtering method was used in data processing which is the combination of morphological open-closing and close-opening. When the morphology filter is used to de-noise...