In view of the current most based on Fourier transform domain method, its resist geometric attacks performance is very good, the embedded information is also big, but there are shearing attack ability is bad problems, and put forward a kind of based on singular value decomposition and discrete Fourier...

Since the infrared image has disadvantages such as narrow gray distribution, low contrast and blurred vision effects, a new method of gray transformation of infrared image based on human visual property is proposed. The method aims to transform the gray distribution of infrared object to the sensitive...

Let L be a subspace of Euclidean Space E1. USC(X,L) denote all regions below of upper semi-continuous maps from X to L and C(X,L) denote all regions below of continuous maps from X to L. For an infinite compact metric space X, USC(X,I) with Vietoris topology is homeomorphic to Hilbert cube Q and C(X,I)...

Content-based image retrieval(CBIR) has been an active research area for more than two decades. However, while almost all images are stored in compressed form, the vast majority of CBIR algorithms operate in the (uncompressed) pixel do-main. This not only leads to a computational overhead for feature...

The Chirp-Z transform (CZT) algorithm is a digital signal processing algorithm, it is applicable to the general case calculating limited width of the Z-transform along the spiral curve. The CZT is more flexible than the Fast Fourier transform (FFT) in calculating the frequency spectrum, so it is used...

Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data were used to interpret hydrocarbon-induced clay and carbonate minerals in northwestern Songliao Basin, northeast China. Principal component analysis (PCA), band ratioing, and density slicing were adopted to distinguish the goal...

Since the 20th century, the global container transportation is developing very quickly. Unfortunately, although many container terminals have adopted modern management, the character recognition of containers still need the operation of manual read and manual record, which will not only cause the operation...

Depth image based rending (DIBR) is a common technology for synthesis virtual viewpoint in 3DTV. The main problem is how to effectively reduce and fill the holes in the virtual viewpoint. In this paper, a novel hole filling method based on projection onto convex set is proposed to solve this problem....

Vector quantization is one of model training and pattern matching technologies with good performance which is applied to speech recognition at present. The traditional Linde-Buzo-Gray (LBG) algorithm is easy to get the local optimal result in the process of codebook design. According to capability of...

This paper presents multi-threshold image segmentation approach based on K-means and firefly algorithm. This approach first use the firefly algorithm based on the characteristics of the groups search for optimization to obtain threshold as K-means initial clustering center. It could effectively overcome...

An improved method of crowd counting based on regression is proposed to support intelligent management over crowd in video surveillance systems. According to the fact that human body has an articulate structure and complicated contours of shape, we propose a new low-level feature, the number of corner...

We present two kinds of improved morphological edge detectors according to: the characteristics of the classical morphological operators and the disadvantages of the single structural elements selected. The structure of the first improved operator considers multi-structural elements and omni-directional...

A video zero-watermark algorithm is proposed based on Contourlet transform, which has been hailed as the "real" tool to capture the geometric structure of the two-dimensional signal. The algorithm uses Contourlet transform to deal with each frame image of the original video, and select the low frequency...

This paper applied two-dimension code in image watermarking, according to the high recognition performance and robustness of two-dimension code, the digital watermarking information was converted into the two-dimensional code and embedded in original image, after attacking watermark-image, the attacked...

We introduce an improved single image haze removal algorithm, which combines dark channel prior (DCP) and histogram specification. First, the dark channel prior knowledge proposed by Kaiming He is analyzed and a conclusionis drawn that the haze removal image based on dark channel prior will have a ten-dency...

We proposed a simple and efficient iteratively reweighted algorithm to improve the recovery performance for image reconstruction from compressive sensing(CS). The numerical experiential results demonstrate that the new proposed method outperforms in image quality and computation complexity, compared...

In order to analyze blood pressure and heart rate changes during submaximal exercise in different body figures, 36 female college students underwent treadmill exercise with heart rate being monitored and blood pressure measured before, immediately after and 10 minutes after exercise. Correlation analysis...

A new universal steganalysis method based on statistical characteristic of multi-domain features extraction is proposed in this paper, mainly aimed at detecting hidden information in images with multiple common formats. Features are firstly extracted in contourlet domain and extended to spatial domain...

Applying compressed sensing (CS) to magnetic resonance imaging (MRI) makes it possible to reconstruct a MR image from undersampled data. Traditional CS based MR image reconstruction schemes only use the signals’ sparsity in an appropriate transform domain to reduce sampling rate. This paper proposes...

In order to effectively detect blind pixels for Infrared Focal Plane Array (IRFPA), this paper provides a new algorithm of blind pixels detection. The algorithm realizes blind pixels detection by distinguishing responsivity between effective pixels and ineffective pixels in different integration time...

As we know, soil organic matter (SOM) is very important to the plant, especially for the crop. How to quickly access the information of SOM has become a major problem faced by many researchers. Now hyperspectral remote sensing technology became more and more useful in the retrieval of SOM. In this paper,...

To improve the resolution and reduce the noise in image, a framework of Multi-image super resolution reconstruction with Pepper and Salt noise is proposed. In the low resolution imaging model, the processes of movement, blur, down-sampling and Pepper and Salt noise are considered. Firstly, for the multiple...

In this paper, we propose an approach to construct a class of irregular low-density parity-check (LDPC) codes based on row partition. We divide the rows of LDPC check matrix into subsets and derive an approach to arrange ’1’ in each column to prevent low weight code words. When decoded by iterative algorithm,...

The chain code histogram feature is a simple and effective feature extraction technology. This paper proposes improvements based on Chain Code Histogram (CCH) and its first differential characteristics. According to the first Differential Chain Code Histogram (DCCH), the turning points in the direction...

An audio watermarking algorithm by modifying the low-frequency coefficients of DWT is discussed in this paper. Audio signal is divided into many sections, whose quantity is equal to the size of the watermark. The maximal value and the second maximal value of DWT low frequency coefficient can be found...

Bicubic interpolation is a standard method in image interpolation field because of its low complexity and relatively good results. But as it only interpolates in horizontal and vertical directions, edges easily suffer from artifacts such as blocking, blurring and ringing. This paper proposed a new method...

Object detection is the key technology in computer vision, with broad application prospects. Object detection has great research value and practical significance as a hot spot of video surveillance in recent years. This paper proposes an algorithm for ship detection in image with complex harbor background....

An improved method, differential regression, is proposed. It is a more powerful discriminative approach for human pose estimation. The proposed methods investigate 3D body pose reconstruction by learning a simply regression between state vector differences and observation vector. A simulation model is...

News video is one of the most important media for people to get information. However, it is an urgent problem to find the useful information from a huge amount of news video efficiently and correctly. The caption in news video highly summarizes the related news story and can be used for effective retrieval....

According to the practical application of soccer video, the characteristics of the data structure and the shot conversion methods of soccer videos are described. A method of shot segmentation in soccer video based on fusion algorithm is proposed. In this method, the 2 histogram match based on gray histogram,...

Facial expression recognition (FER) has been widely used in video surveillance and other fields. In this paper, we built a face image database containing four dif-ferent kinds of infant expressions. Based on the analysis of the features of infants’ eyes and mouths, this paper proposed a method of infant...

In big screen environment,careful observationof geological data is significant forgeological workers. However,traditional mouse is not suitable for free operation in big screen environment.Influenced by illumination, background and some other things, gesture recognition based on ordinary camera isneither...

In the exploration area, traditional high-density electrical prospecting was designed for 2D resistivity acquisition, the accuracy and sampling rate was low. A new type 3D resistivity acquisition system was designed in this thesis. Apparent resistivity data can be acquired by the new substation System...

SIFT the well-known image recognition algorithm performs reliable matching between different views of an object even it is rotated, in different scales, or has different brightness than of the original image. But in our button match works, the SIFT points detected in simple object may be few, and the...

This paper proposes a semi-supervised approach of speech and music separation in monaural speech recordings based on non-negative matrix factorization (NMF). Considering the scenario that the genre of background music is known, music basis vectors are randomly picked from the magnitude of short time...

In this paper, we present F5 steganographic algorithm and its steganographic system, then we embed 35.5kb information (a txt document) into a 99.7kb JPEG image by using F5 steganographic system. The experimental result shows that when we choose k=3 which is based on utilization rate of the data(R), then...

2D to 3D conversion is an important task in 3DTV due to the lack of 3D contents. In this paper, we propose a novel framework of the 2D to 3D video conversion. The proposed framework consists of two main stages: depth map generation and virtual view synthesis. In the depth map generation, motion and relative-height...

Image super-resolution (SR) is a very useful technique for visual surveillance, high-definition TV and medical image processing. In the traditional method, the inferred high-resolution image patch is represented as a linear combination of dictionaries obtained by training images, and least square estimation...

Despite effective tools in signal and image processing, traditional wavelets methods lose the ability to process multi-dimensional data. In this paper, we describe a new class of multidimensional representation systems, called shearlets. Similar with wavelets, this new representation can be associated...

Video text can be used to infer important semantics information of video. Video text extraction is a crucial step to recognize video text. Most of previous works can not extract the text well when the text regions have complex background or text character stroke width is unknown. Therefore, we propose...

Objective To evaluate the privilege of X-ray phase contrast imaging on the microstructure of mouse kidneys, and explore the imaging differences on kidney images obtained by DEI and in-line outline X-ray imaging (IOXI) with synchrotron radiation (SR) facility. Materials and Methods The SD mouse kidneys...

Speckle reduction plays an important role in the understanding of SAR images. An improved method is proposed in this paper aiming at solving the complex problem of speckle reduction based on the pre-classification. In this method the Wishart classification is replaced by a simple one, which is based...

Principal component analysis (PCA) was used to reduce dimension and simplify the analysis of HRTF amplitude spectra of dummy head installed with different artificial pinna model. In addition to no-pinna case, 4 kinds of structural model of pinna were discussed. Directional mean of the corresponding frequency...

This paper described the principle and basic structure of blind deconvolution filter, it used blind adaptive algorithm, and adjusted coefficient automatically with the changed signal, in order to track the change of signal and realize the filtering finally. at last the performance of designed filter...

In this paper, the classic TV-L1 model is extended to a hybrid TV-L1 model based on first order and second order derivatives to remove image noises, preserve geometry, contrast and overcome staircase effects. To improve efficien-cy, a fast algorithm based on dual method which is called the Split-Dual...

This paper presents some techniques for constructing panoramic image stitching from sequences of images captured by cameras from different angle in garment and textile research area. The image stitching representation associates a transformation matrix with each input image. In this paper, an improved...

The recognition and localization of insulators is a crucial process of insulators’ failure detection, especially under the complex background. With unknown insulators in test image, a method of the recognition and localization of insulators based on SIFT and RANSAC is proposed as following: SIFT (Scale...

Image segmentation is the foundation of computer vision and pattern recognition but is still a challenging problem. FCM has been used in image segmentation many years but its problem that is sensitive to noise still cannot be solved effectively. This paper proposes an improved algorithm that incorporates...

WSN; frequency synthesizer; ACC; low power; low phase noise; phase switching; fast AFC.

Speech enhancement in presence of colored noise has been of signi¯cant topics. This pa-per presents a novel parameter estimation-based method for speech enhancement under colored noise environments. Parameters of speech signal modeled as autoregressive process are estimated by using an improved least...

A novel image cryptosystem by using projection pursuit based blind source separation is proposed in this work, where the plaintexts need to be neither independent nor sub-independent. In the proposed cryptosystem, for encryption, the plaintexts are mixed linearly with each other first, and then mixed...

In this paper, a novel image fusion algorithm based on Nonsubsampled Contourlet Transform (NSCT) and image segmentation is proposed, for the application of Passive Millimeter Wave (PMMW) concealed objects detection. PMMW and visual images are fused to get a better presentation of original images, maintaining...

In order to accurately reflect the human eye’s visual comfort in the process of viewing stereoscopic video, a method based on region segmentation is proposed to assess the visual comfort of stereoscopic video. First, adaptively segment and extract the interested area of the human eye from the sequence...

The necessity of efficient identification and classification of shots in a soccer game ascends with the increasing popularity and quantity of soccer videos. This paper proposes an effective and real-time identifying system for attractive events, namely shooting shots in soccer video clips. Instead of...

Seam Carving, the popular content-aware image resizing technique, removes or inserts seams of low energy iteratively without sufficiently considering their impact on the global visual quality of the image. However, sometimes seams pass through the regions of interest (ROIs) with low energy and distort...

This paper presents a 1V low noise amplifier (LNA) for 700~900MHz WSN applications in 0.18mm RF CMOS process.The LNA uses capacitor cross-coupled, current-reused and noise cancellation techniques to reduce noise and power consumption.The simulation results are as follows: The voltage gain is variable...

In this paper, the hybrid regularization based scheme for image restoration is researched in detail. This strategy contains two regularization items, which helps to achieve superior image reconstruction. To quickly minimize the energy functional, we adopt the fast split Bregman iteration method. Numerical...

Region-of-interest (ROI) detection plays an important role in filtering out pornographic images. Skin-color models, as a traditional approach, extract skin-color regions as ROI. However, the approach is difficult to differentiate between human skins and other objects with the skin-color. Furthermore,...

This work proposes a novel scheme of separable reversible data hiding for encrypted image using histogram modification. After the original image is en-crypted by the sender, the data-hider embeds the secret message into the encrypted image by a histogram modification and n-nary data hiding scheme. On...

With the rapid growth of the count of vehicles, congestion and traffic accidents frequently occur. The situation triggers a series of social problems. The application research on computer vision and digital image processing system is presented in this paper provides a real-time method which identify...

As digital libraries and document images largely use in the network, how to retrieve them quickly become one of the key issues. This paper presents a hierarchical matching algorithm to achieve fast retrieval of document images. Firstly, we can quickly find the possible matching location through approximate...

Image retrieval problem is a hotspot research filed in recent decades since it has a wide range of applications. Topology studies which used for image retrieval has rare research. This paper has characterized the departure from the image, fully tap the characteristics of the image itself, using image...

The main problem for an automatic Intravenous (IV) infusion process control system is the measurement of dripping rate in the drip chamber. This paper utilizes an optical sensor as a solution to this problem. The waveform of the receiver is forecasted by a simple simulation experiment which calculates...

Chinese calligraphy works is a valuable part of the Chinese culture heritage. More and more calligraphy works are digitized, preserved and exhibited in digital library so that people can enjoy the calligraphers’ works conveniently. There are five main writing style categories of calligraphy words, namely,...

Make a study of real-time, automatic positioning of Printed Circuit Board (PCB) jack centers. Bwlabel algorithm is used to deal with the PCB images under the condition of backlighting. According to the feature of Bwlabel algorithm extract and match the jack center indexes for every component, calculate...

Medical image registration is an important research topic in image processing field. It plays an important role in future analysis of medical images. Since in that field, the images are always obtained from different modalities and are deformed by non-rigid transform, the registration remains a challenging...

The key problem in restoration of motion blurred images is how to get the point spread function and the noise information. It is commonly assumed as the white Gaussian noise. The paper corrects mistakes in literature [1] and puts forward an accurate estimation formula for noise power of linear motion-blurred...

Shadow removal has always been one of the research hot topics in the field of computer vision. Recently, more and more attention was paid on the ViBe (Visual background extraction) foreground extraction algorithm for its simplicity and high speed. However, for the videos with moving cast shadows, the...

Image color and tone adjustment are often used for style enhancement in image editing. In this paper we propose a new LLE-based image color transfer and tone enhancement method. Our target is to find the implicit color mapping rule between example image-pairs, then apply it to new image. Given a pair...

Image degradation in laser underwater imaging system is due to the scattering of water. Image restoration is an effective method to improve the quality of image, but its solving process is an ill-posed problem and the solution is not easily obtained in actual applications. A regularization blind image...

Super-resolution was used to refine the LRI (low resolution image) which was acquired from the existing electric devices. Moreover, it is significant to do this work on the human face. To solve the special facial problem, a novel framework based on IBP (Iterative Back Projection) is proposed, in which...

Noise reduction of audio signals is a key challenge problem in speech enhancement, speech recognition and speech communication applications, etc. It has attracted a considerable amount of research attention over past several decades. The most widely used method is optimal linear filtering method, which...

Common terrain is mountainous in southern China, this terrain to the transmission coverage Engineering brings certain challenges, How to take advantage of existing knowledge combined with practical engineering experience to sum up a set of calculation methods suiting for mountainous areas, that is very...

Although the performance of image acquisition devices has been improved dramatically in recent years, especially in the resolution and clarity, defocusing and motion blur are still big problems. Upgrading the devices with the better hardware is one way to solve the problem, but the costs will usually...

When facing the " overabundant" of semantic web information, in this paper, the researcher proposes the hierarchical classification and visualizing RIA (Rich Internet Application) navigation system: Concept Map (CM) + Semantic Structure (SS) + the Knowledge on Demand (KOD) service. The aim of the Multimedia...

In this paper a new image denoising model based on the ROF model is proposed. This proposed model can reduce the noise effect and also damp the staircase effect generated by the ROF model. Existence and uniqueness of solution are proved. Numerical examples illustrate advantages of our proposed model.

Peer-to-peer (P2P) streaming over Internet needs to consider the dynamic bandwidth fluctuations and various client device capabilities. To maximize the network utilization and to achieve stable P2P streaming, we propose a novel multi-layered P2P streaming system in which the scalable video bit-stream...

It is meaningless to compare global land surface water area of two periods directly considering that TM images are mono-temporal and water products interpreted only reflect water distribution at some certain moment. Due to the large inter-annual and seasonal variation of water, there exist dry season,...

Principal Component Analysis (PCA) is a well-studied method in face recognition. Noticing that few researches focus on pre-processing of images, which will also improve the performance of feature extraction of PCA algorithm, we present an improved approach of PCA based face recognition algorithm using...

This paper presents a wideband variable gain amplifier (VGA) applied to 60GHz millimeter-wave receiver with an operating frequency from DC to 1.08GHz and variable gain range from 0dB to 60dB. The entire VGA consists of an 8dB fixed gain stage, a 0~48dB coarse gain control stage, a 0~12dB fine gain control...

Dimension reduction is a research hotspot in recent years, especially manifold learning for high-dimensional data. Cause high-dimensional data have complex nonlinear structures there are many researchers focus on nonlinear methods. The memory cost and running time are too large and difficult to operate...

With the development of the 3d industry, 3d video quality assessment method has become one of the hot spots. But now the main research directions are concentrated in reference stereoscopic video evaluation method and subjective evaluation method, which also have made some progress. Objective no-reference...

Super-resolution is a process via fusing low-resolution image frames to obtain high-resolution images that typically requires highly accurate image registration. The modern non-local means super-resolution algorithm has successfully evaded the problem of image registration. However, its great computational...

In this paper,we present a novel descriptor,called Modified-SIFT (M-SIFT),which is more suitablefor KAZE feature point than other descriptors such as:SURF and SIFT.Their combining even outperformsSIFT matching algorithm and standard KAZE algorithm. We present extensive experimental image matching results...

This paper presents a new algorithm of automatic image mosaic, which generate mosaic image by comparing the vertical distance of edges in two neighboring images. This algorithm selects points to be matched by statistical features of the images before the actual matching stage, reducing the amount of...

Three temporal-space features are proposed in this paper on video images for smoke detections on the issue of dynamic textures, motion patterns and contour variations. Considering that the previous methods for smoke detection provides global descriptions on dynamic features, but its illustrations do...

With the development of information security, the traditional image encryption algorithm has been far from to ensuring the security of images in the transmission process. This paper presents a new image encryption algorithm, which can improve the security of image during transmission more effectively....

Since the high-resolution airborne thermal infrared imaging spectrometer is used to civilian field, it shows attractive application prospect in the field of objects recognition. Taking an area for example, the paper carries out the technology research for temperature and emissivity separation, based...

This paper presents a specific subjective quality assessment to study the perceptual issues about 3D videos processed by the compression system based on H.264/MVC (Multi-view Video Coding). The subjective evaluation is conducted according to the ITU recommendations. The preparation, concrete process...

This paper presents a new method to detect retinal microaneurysms, which are the first sign of diabetic retinopathy (DR). The methods of automatic microaneurysm detection can be generally classified into two groups: filtering based methods and supervised methods. The detection accuracy of the filtering...

Computer vision inspection system is often applied in automatic wire bonding to ensure the location accuracy and speed, while feature selection affects the performance of inspection system. In this paper, a new feature extraction and matching location algorithm based on SIFT-MIC is proposed for wire...

In this paper, we proposed a novel image feature descriptor, namely texture structure histogram (TSH) for content-based image retrieval. This method using the color and edge orientation information to describe the image texture structure information. Considering the HSV color space conforms to humans'...

The researches on weather system are very complicated because the weather system includes many factors, among which the cloud is a very important factor. Cloud appears with various shapes, different gray scales and not clear boundaries in the remote sensing images. For the active contour model and its...

In order to design a more accurate simulation system of laser scanning imaging, a kind of new simulation method is put forward in this paper. By introducing the accurate laser model, this paper proposes a more precise echo power calculation formula. This method reproduces the edge blur effect in the...

Image restoration can be attributed to solving a linear systems and conjugate gradient method is an effective iteration algorithm for solving various linear systems. However the convergence rate of CG method is determined by condition number of coefficient matrix. The level1 and level2 preconditioner...

The DOA (Direction of Arrival) estimation problem ULA (uniform linear array) was studied, and one new LS-ICA method was proposed based on ULA (uniform linear array) under Gaussian noise, which was filtered during signals separation by ICA. With strict mathematic reasoning, steps of the new DOA estimation...

The phase vocoder[1] has long been a well established tool in pitch shifting technology. It analyzes and synthesizes audio signal via short-time Fourier Transform. Unfortunately, Fourier Transform leads to the inevitable inherent frequency leakage which decreases the accuracy of the pitch shifting effect...

The abandonment phenomenon has become one of the most serious problems in China in the last 20 years. Preventing the farmland from abandonment is an urgent issue for authority. Thus, abandoned farmland monitoring is very important. The conventional field investigation approach of abandonment status cannot...

In this paper, we discuss a weighted average of the maximum and minimal principle curvature as the diffusion coefficient for de-noising digital images with an additive noise. The main advantage of this approach is that it preserves important structures similar to Gauss curvature-driven diffusion, and...

We propose an effective algorithm for impulsive noise removal in color images. The proposed method is a two-phase scheme. In the first phase, an impulse detector is designed to identify color pixels which are likely to be contaminated by noise; in the second phase, the image is restored by using a detail-preserving...

The Chinese-Sensible Code is the first two-dimension code standard of China who totally owns proprietary intellectual property rights. It has been widely used in books, bank drafts and managements of armed police vehicles. However, due to the characteristics of application environment and interference...

A design of compressive sensing (CS)-based speech signal processing (SSP) system for wearable computing device (WCD) in internet protocol television (IPTV) environment is proposed in this study. In WCD, the voice control would be an important function since the WCD is too small to provide typing device....

TV logo is an important symbol of TV station. Automatic identification of TV logo can be used in television monitoring and media assets management. By analyzing the characteristics of TV logos, a new algorithm for TV logo recognition is proposed in this paper. First of all, the TV logo information is...

This paper presents a fast Automatic Frequency Calibration (AFC) Loop with a low power consumption low phase noise LC voltage controlled oscillator (VCO) at 4.8GHz for WSN Application. The VCO adopts complementary differential negative resistance structure with switch resistor biasing which achieves...

the multispectral imaging used in identification of Chinese medicine slices (CMS) can identify the authenticity of CMS and evaluate their quality by comparing the characteristic spectral curve from spectral cube. In order to apply multispectral imaging to actual application of CMS identification. Automatically...

Image registration is a crucial step of many remote sensing related applications. As the scale of data and complexity of algorithm keep growing, image registration faces great challenges of its processing speed. In recent years, the computing capacity of GPU improves greatly. Taking the benefits of using...

Global illumination rendering is one of the pivotal techniques necessitated by 3D scenes' simulating; thus the quality of global illumination renderer would significantly affect the reality of such a simulation. Based on ray tracing, one of the major algorithms which aim to achieve great and realistic...

This paper provides a design of 2-3.5GHz transmitter front-end based on 0.18µm RF CMOS process. The front-end circuits consist of IF single-differential converter (SDC), LO SDC, up-conversion mixer and an output buffer for testing. Under 3.3V power supply, the post-simulation results indicate that the...

Perception of the moving object in 3D from video streams has been one hot topic in computer vision. We present a fast method to reconstruct 3D information of the moving object from binocular video streams. System is assembled as two pipelines, technica are used to excavate the potential parallelism....

SIFT is an excellent descriptor to features in medical images. However, the algorithm to achieve SIFT is tedious and takes a long time. To cope with this, we combined image integration and image region partition and proposed a modified SIFT descriptor capable of describing the global energy information...

Compressive Sampling (CS) is a new technique for information acquisition and processing. In this paper we propose a new algorithm based on Pixel Value Substitution (PVS) to reconstruct the nature images when the model of compressive sampling is very simple. By indirectly utilizing the fact that usually...

Because resulting image of laser radar echo signal is weak, it is necessary to improve the relative gray scale of each point. This article proposed an adaptive image enhancement algorithm based on FSFLA (A Fast Shuffled Frog Leaping Algorithm). This algorithm is based on a fast shuffled frog leaping...

Reliably recognizing ship targets in the sea battlefield has become an increasingly pressing need, as the capabilities for image acquisition are growing rapidly. In the research, a modified ship targets fusion recognition model based on the Dempster-Shafer evidence theory is proposed. The algorithm firstly...

This paper first introduce the H.264 video codec standard briefly, then analyze the inter-frame motion estimation in H.264. After that we propose an optimaized algorithm and the corresponding architecture. A pipeline-architecture was proposed with scaled searching algorithm based on the analysis to the...

High computation complexity has significantly impacted H.264/AVC’s application and promotion in real-time coding. As a result, how to reduce as much computation complexity as possible while ensuring high coding efficiency becomes an important subject in the study of video coding technology. Many scholars...

An approach of medical image retrieval by combining diagnosis text and image content features is presented in this paper. In this approach, the system firstly extracts fusion features and semantic content from images and related text in medical resource database. In the second stage, a multi-modal query...

A fast depth estimation algorithm based on the K-means image segmentation is proposed in this paper. Traditional global-based depth estimation methods using graph-cuts made good performance on the depth map estimation, however, the time cost is a big problem for real time application. A fast segment-based...

This paper use a color image digital map of Beijing area to do road feature extraction.It takes full advantage of color map by using clustering to get road network highlighted first, and then picks road network out through denoising, and does post processing works by using mathematical morphology algorithms...

For joint photographic experts group (JPEG) steganography, which kinds of JPEG coefficients, i.e., the block discrete cosine transform (BDCT) coefficients that have been divided by the quantization steps and have been rounded, should be selected for data hiding is still an open problem. In this paper,...

With the increasing demands of copyright protection, digital watermarking has being paid more and more attention. In the design of a watermarking method, the modelling of signal by a general parametric family of statistical distributions plays an important role in many signal processing applications....

BNSS(BeiDou Navigation Satellite System) is another Globe Positioning System of China with independent intellectual property after GPS(Globe Positioning System-America), GLONASS(Globe Navigation Satellite System-Russia), GALILEO(Europe).It grows quickly. In this paper, a application scheme of smart antenna...

According to the opinions of specialized doctors, being able to accurately classify breast calcification is very important, and with this information available, only then medical treatments can be applied properly. However, for any delay treatment or misdiagnosis, it is very likely as the key attributed...

In this paper, we propose a novel logo localization and recognition model in which we use the spatial pyramid matching with color proportion to train a score function and the Efficient Subwindow Search (ESS) to localize region and recognize specific logo. Our model has two advantages compared with other...