Advanced Materials Research Vols. 791-793

Abstract: The system uses dual MCU design to achieve the acquisition and transmission of pulse signal without affecting the users sleeping process. The pulse signal is collected by infrared pulse sensor, and is wireless transferred to the personal computer by JF24C after the process of amplification, baseline correction and so on. Then personal computer analyses the signal using the method of wavelet transform algorithm. With wavelet decomposition, pulse signal can be decomposed into different scales of wavelet coefficients and recomposed according to the low-frequency coefficient of the bottom and high-frequency coefficients of various layers. During the process of wave recomposition , the coefficients related to noise can be rejected while the valuable information in the pulse signal maintained, and all the processes achieve the restoration of pulse signal. What is more, after simulating the wavelet transform algorithm using MATLAB, the consequences of this simulation indicate that multiple interferences can be effectively suppressed while keeping the pulse signal undistorted and it sustains the relevant characteristics of pulse signal.

Abstract: In order to reduce bad influence in machining process, a 3-DOF model has been created in this study. it designed the auxiliary equipment based on DSP,It changes the amplitude and frequency of speed in machining. According to index empirical formula theory and regression equation significance test theory ,the factors of Parameter influence reduce the vibratory, to reduce cutting tremor parameters optimization by MATLAB..This study provides that changes the amplitude and Frequency of speed and appropriate speed can make a good result for cutting.

Abstract: The system completes the communication between the personal computer and the CC2430 by the serial port. The serial port is not the RS232 serial port but a port from A type to the USB port. The phenomenon of the experiment is displayed with the help of the serial debugging assistant. The operator can send the data and receive it from the personal computer to the CC2430 on the computer. On the other side, the CC2430 is able to receive the data from the host computer and send it to the host computer. This realizes the operator controls the CC2430 by the personal computer. It consists the hardware part and the software part.

Abstract: The method of texture feature extraction and classification of pork loin B ultrasound image is proposed, which can be applied to the computer-aided judgment the pork loin fat content of pork loin. 5 texture features which is based on the texture of the co-occurrence matrix are extracted from the B ultrasound image of pork loin according to the digital image processing algorithm. Using the correlation analysis method to select the key texture extraction in the first step. Then,the classification is realized based on the BP neural network. The train set and test set are randomly chosen from 135 cases. Tests performed show that the proposed method result in a high classification accuracy, which will provide the researcher a valuable opinion on the pork fat content detection.

Abstract: In order to satisfy the requirement of reliability in the TD-LTE RF Conformance Testing Instrument, a method to achieve the synchronization of protocol and physical layer based on embedded system is imposed. According to the feature of the long term evolution (LTE) system, it highlights the details to enhance the synchronization between various aspects in the LTE system through General-Purpose Memory Controller (GPMC) from ARM. GPMC is a memory controller that helps achieve the primitive interaction between the protocol and physical layer and the application. What is more important is that GPMC achieves the coordination that means LTE works at the same time in the same frame of the same sub-frame. Verified multiple times this design achieves the synchronization of aspects in LTE as well as meets the requirement of hardware platform in TD-LTE RF Conformance Testing Instrument.

Abstract: With the continually development of computer technology and modern communication technology, radio frequency technology and image processing technology become the important component of modern security system. In particular, the application of the intelligent access control system of the two technologies becomes a hot research topic in the field. This article first briefly analyzes the principle of radio frequency technology and establishes intelligent access control system based on radio frequency technology and image processing technology. It analyzes the theory and application compatibility of this system which provides technical support and theoretical basic for the researches in this field to some extent.

Abstract: With the development of computer technology and large scale integrated circuit technology, since 1960s, the development of spatial adaptive filter has become one important part of signal processing, its application field has been extended, especially it is used in the digital image processing, and it has become one of the hot research topics in current. This paper presents the recovery method of introducing spatial adaptive filter in the digital image restoration. Firstly, the spatial adaptive filter theory is described, on the basis of this, the hierarchical modeling equilibrium is proposed in the tilting mode digital image restoration, to carry on the analysis of random signal prediction. At the same time, the hierarchical modeling equilibrium will carry out adaptive weight control based on transverse spatial filtering, to reach image restoration for the right cross point. Finally, this paper carries out in-depth analysis for the realization principle of this method, to provide technology support and practical guidance for the research of this field to a certain extent.

Abstract: In recent years, the movement capture technology has very big development in aspect of computer science and information technology, and the design of dance movement needs the 3D aesthetic feeling to have optimization, so the capture and simulation of the elements of dance movement should become the key to have researches on the dance image processing. This paper used the image analysis technology to establish the mathematical model of capture analysis on the dance movement technology, and it put the five main parts of dance movement as the main research object, and then it put forward the similarity of continuity of the dance movement. The first part of the paper made the detailed analysis on the application of computer image processing technology in the design of dance movement, and the second part had the theoretical analysis on the design of dance movement. Finally the paper used the software of video production videostudio9, and it programmed procedure to have multi-media design of the dance movement in the computer, and then it achieved the effect of the combination of computer technology and the dancing technique, and finally it provides the theoretical reference for the research design of the technology of dance movement.

Abstract: with the development of computer hardware, computer vision technology has been applied to the engineering field. Through the computer vision technology, the image track registration algorithm is conducted in-depth research, and based on the images rigid body transformation, affine, projection and linear superposition method, this paper is the reconstruction of wavelet algorithm and program. This paper uses the general image processing software MATLAB to carry on image processing for the track and field sports, and then the computer vision infrared tracking image registration is numerically simulated, we find that the standard deviation of wavelet reconstruction algorithm achieves 72.3258, which is maximum in four algorithms, entropy and joint entropy respectively reach 5.2332 and 6.2369, after pixel reaching 800, coincidence degree is still maintained at more than 90%. Through the fusion degree of image and the standard deviation of gray entropy, it can be seen that the image registration is achieved good effect.

Abstract: The research on new image segmentation algorithm is a very meaningful work in the processing of image. In the process, it will produce large amount of data redundancy. The efficient algorithm not only can greatly improve the quality of image treatment but also can greatly reduce the time and cost of the treatment. In this context, the paper analyzes several image processing algorithms commonly used in recent years and presents a new computer image processing algorithm--AMT-GA algorithm. In order to verify the effectiveness of AMT-GA algorithm, this paper takes the process of athletics image for example and compares the consistency and time of image segmentation with other literature results and ultimately finds that the consistency of AMT-GA algorithm reaches 0.99. The time in the algorithm execution is only 0.81 which not only achieves effective segmentation of the image but also saves the cost of computing. It also provides a theoretical reference for the research of computer graphics technology.