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....

DV-Hop algorithm is a classical range-free localization algorithm used for node locating of wireless sensor network. After analyzing the localization principle and limitation of DV-Hop algorithm the authors proposed an improved DV-Hop algorithm The new algorithm used cluster strategy to reduce communication...

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...

This paper aims to design and optimize the algorithm of Chinese isolated words speech recognition, to improve the recognition accuracy and robustness. Mel-Frequency Cepstral Coefficient (MFCC) has been widely used in the art-of-state speech recognition since it considers the characteristics of human...

Creating multimedia content for the presentation and register of an architectural project means a synthesis effort to design the information that must be resumed to present a project, or the architectonic documentation in this area of knowledge. One case study is presented to show the advantages of the...

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 proposed a new type of discrete random contention system based on the literature [1], researched it using the average cycle method, then get the formula of the systemic throughput for the new random access protocol by building mathematical modeling; but the uncertainty of random multiple access...

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...

A third-order Chebyshevlow-pass filter, using Gm-C structure, based on Nauta’s OTA, is presented. The filter is designed for 60GHz wireless communication using 65nm CMOS process and 1.2V power supply. The cutoff frequency of the filter is required to be tuned from 1GHz to 5GHz.UsingNauta’stransconductance...

A design of intelligent water meter with low power consumption is present in this paper. MSP430 MCU and ZigBee module are applied in this design. The management of the water meter and the communication between ZigBee network and family gateway are completed at the same time. A node with low power consumption...

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 proposes a hardware thread manager for the polymorphic parallel processor. The thread manager supports the MIMD mode with 8 threads and SIMD mode with multiple threads using the SIMD controllers in a unified approach to manage two operating modes to achieve a mixture of three types of parallel...

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...

This paper focus on the GNSS(Global Navigation Satellite System) signal processing based on PMF(Partial Matching Filter)-FFT(Fast Fourier Transform), and a dynamic analysis method of high dynamic GNSS signal is proposed. PMF-FFT has a wide range of applications in GNSS signal acquisition, but no one...

A 24 GHz programmable frequency divider in 65-nm CMOS process is presented in this paper. The divide ratio can be varied from 208 to 270 in a step size of 2.The divider consists of a divide-by-2, an 8/9 dual-modulus prescaler, a programmable pulse-swallow counter and a buffer. The post simulation results...

Exhaustive search in local area around the object is used for tracking in the conventional Haar-like feature based on-line boosting tracking methods (HBT). Tracking is frequently failed and can hardly find the object again when the object moves fast or occluded completely. In addition, on-line tracking...