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In this paper a brief review on different torque control methods of induction motor are discussed. Induction motor nowadays has become an interesting area in the field of industrial drives. The different control strategies are implemented in order to reduce the torque, flux, current and speed ripple. The different control methods are direct torque control (DTC), DTC-SVM (DTC-Space Vector Modulation)...
Social sites have emerged as an ideal platform for content sharing and searching in modern era. With the exponential growth of users, social media has gained more attention than mass media. Social media serve as a discussion panel for authenticated users. This offers users to share their contents on social media. But, it may be either genuine or not. In such circumstances, there is a possibility of...
In today's modern medical arena patients with brain tumor are increasing rapidly with a fast pace and above the par. Detection of brain tumor has become a challenging task to compete with. In this paper an automated method for detecting brain abnormalities and tumor edema has been proposed using sobel edge detection method. Various MRI images have been used as inputs here. Here, first of all the pre-processing...
Internet plays a crucial role in today's life, so the usage of online social network monotonically increasing. People can share multimedia information's fastly and keep in touch or communicate with friend's easily through online social network across the world. Security in authentication is a big challenge in online social network and authentication is a preliminary process for identifying legitimate...
The popularity of plastic surgery is increasing due to the enhancement and accessibility in that field. Plastic surgery procedure provides an efficient way to improve the facial appearance, which result in the reconstruction of facial features either globally or locally. The changes introduced by plastic surgery remains complicated to be analyzed by face recognition systems. This paper focus on recognition...
The increase in accidents, vehicle thefts, over speeding and traffic infringements make proper traffic rule enforcement a necessity. Speed traps play an important role in reducing the rate of accidents at accident prone areas. Automation of number plate recognition system makes traffic rule enforcement an easy task without direct human intervention. In this paper we propose a less complex and effective...
Automatic parking space detection decreases the time wasting to find a proper parking space. The proposed work helps the parking management system to detect an empty parking lot and allocate that space to a particular vehicle. The vehicle number can be used to identify vehicle parked in which lot. Sobel edge detection method is used to find empty parking lot and for number plate extraction morphological...
The extraction of road networks from satellite images has fundamental importance in GIS applications. In this paper, an automatic approach for road extraction is proposed to extract the road components from satellite images using Laplacian of Gaussian operator. The image is first pre-processed to identify the color space components and then smoothened using Laplacian of Gaussian. Then morphological...
Day by day the rate of forest fire is increasing and the losses suffered are huge. There are many methods available for detecting the fire flames. However most of them fail in discriminating fire and fire colored local objects. In this paper we propose a novel and robust method that segments fire flame regions from an image. The proposed method combines the unique color and texture features of the...
An integrated methodology for detection of cracks and surface degradation evaluation is presented in this paper. Structural health monitoring along with the techniques of image processing are used here for the strength analysis of civil structures. In our system with the use image processing and data acquisition methodologies, methods for crack detection and quantification of surface degradation are...
Recent studies show that death rate is increasing day by day because of road accidents. Analysis of traffic is a major problem in roads. Advanced Driver Assistance System (ADAS) is the technique implemented to avoid traffic accidents. These methods are all available for only day time conditions. Vehicle detection during night is a major challenge now days. During night the environmental conditions...
Agriculture is the mother of all culture. Economy and prosperity of a country depends on agriculture production. Agriculture provides food as well as raw material for industry. Agriculture production is inversely affected by pest infestation and plant diseases. Early pest identification and disease detection will help to minimize the loss of production. Naked eye observation is a common using method...
A rapid increase in the population, leads to the exponential increase in the number of vehicle usage. This is the reason for the traffic jam in certain junctions. So traffic analysis becomes a challenging problem nowadays. Normally the traffic signals are operated on a predefined fixed program, based on a timer. In this case, sometimes any empty lane may get green signal, so waiting state of the vehicles...
Irritation and disgust are two sub-categories of angry emotion that often confuse the detection system based on anger analysis. This work aims to distinguish these secondary emotions from the primary angry state. Recognition and segregation of these states can help the society to maintain a better social relationship. Further, it can be used as an input to the psychologists and medical practitioners...
Map images are widely used in variety applications such as personal navigation, mobile computing, internet and academia. The usage of raster maps in many applications especially in small storage devices has negative impacts because of its relatively large size. The efficient use of compression method is essential to meet such requirements. A fast lossless compression scheme for raster map images is...
A FPGA based three phase sinusoidal pulse width modulator IC is designed. Pulse width modulated dc-ac converters have a broad range of applications in ac motor drives and ac power conditioning systems. The PWM strategy plays important roles in the reduction of harmonics and switching losses in these converters especially in three phase applications. Various modulation strategies, control schemes has...
In the process industry, PID controllers are commonly used for control applications. PID controllers are simple and easy to construct. It provides more flexibility and stability while controlling the processes. The determination of proportional, integral and derivative constants KP, Ki and Kd are known as tuning of PID controller. Tuning of PID controller gains are easy if the system is a linear system...
Segmentation and extraction of Lung lesion from computed tomography (CT) scan by computerized automatic process is important to enable large study on lung cancer. This automated segmentation of lung lesion will helpful in finding the lung cancer in early stage and avoid death due to lung cancer. This Automated process also help researcher to get more data and identity of lung cancer that will help...
Scheduling is one of the research issue in cloud computing. It affects the performance of the cloud. To provision cloud resources to the users or to run cloud applications efficiently underlying infrastructure of the data center has to be properly managed. Other wise it may create hotspots or bottlenecks in many cases. This paper presents different types of scheduling, surveys the existing job scheduling...
Face Expression Recognition (FER) has become a very interesting and challenging area in computer vision field due to its wide application possibilities. Mental state Recognition, Human Computer Interaction, Human behavior understanding etc. are some of its applications. Because of its wide application possibilities Face expression recognition has attained a very crucial role in the area of facial...
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