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A design method for controlling the attitude of a fixed wing aircraft in the presence of uncertainties is proposed in the Multiple Sliding Surface framework. Inertial Delay Controller is integrated with Multiple Sliding surface Controller to increase the performance of system by estimating the uncertainties that are present in the system.
Classification between foggy and non-foggy images is a primitive step for automation in traffic activity and industries. The existing techniques provide low accuracy and needs validation over both synthetic and natural database. Foggy images are identified and classified based on their optical characteristics for vision enhancement and to make them more efficient for further processing. In proposed...
In this letter, an improved single image dehazing technique based on quadtree decomposition and entropy-based weighted contextual regularization is proposed. The boundary constraints are computed adaptively using statistical properties of image. The proposed technique produces high-quality dehazed image with better colors and minimal blocking artifacts. Simulation results compared visually and quantitatively...
Dynamic Energy investment funds streamlining gets to be one of the significant worries in the remote sensor system (WSN) directing convention outline, because of the way that most sensor hubs are furnished with the constrained non rechargeable battery power. In this paper, we concentrate on minimizing vitality utilization and amplifying system lifetime for information transfer in one-dimensional (1-D)...
Distortion in images is a biggest challenge now-a-days. This affects in many areas ranging from photography to medical imaging, astronomy, remote sensing and microscopy. Images get obscured due to many reasons like vibration due to hand movement as well as launch of vehicle (Satellite), Noise in image, Adverse Image/Environment condition, and Quick movement of objects. A technique is required which...
Depression is considered as a psychosomatic state associated with the soft biometric features. People suffering from depression always behave abnormal. Depression is a clinically proven disorder that can overwhelm a person and his ability to perform even a simple task. Soft biometric provides important information about a person without being enough for their verification because they lack uniqueness...
In video surveillance to count the number of people walking through a corridor or door people counting is used. Counting persons passing through supervised area is important issue of this domain. System of people counting is important for security application (such as in the situation of an evacuation, it is vital to know how many people are present inside the surveillance area at any given time),...
Assessing the overall quality (adequacy for a particular purpose) of existing test suites is a complex task. Their code coverage is a simple yet powerful attribute for this purpose, so the additional benefits of mutation analysis may not always justify the comparably much higher costs and complexity of the computation. Mutation testing methods and tools slowly start to reach a maturity level at which...
Steganography is the art of hiding data in data in an untraceable way. Main concern of steganography is hiding the existence of hidden message. Steganalysis is the art and science of detecting hidden messages from stego-systems. It also attempts to find hidden message such as the type of embedding algorithm, the length of the message, the content of the message or the secret key used from the carrier...
Accurate estimation of noise level in digital images is of critical importance prior to application of denoising techniques in the areas of image processing and computer vision. In this paper, we propose a novel approach for estimation of noise level using: (i) Singular values of noisy image from rear end of Singular Value Decomposition (SVD) subspaces (in order to restrict the influence of image...
Proliferation of internet technologies has changed the way content is created and exchanged through the Internet, prompting expansion of online networking applications and administrations. Online networking empower creation and exchanged the clients produced content and design of a scope of Internet-based applications. This development is fueled by more administrations as well as by the rate of their...
In this letter, we present a novel speech separation scheme using two microphones. We divide the inter-phase information into sub-segments and statistic these directional segments. Then we construct the objective function by convolving the statistics information with a low pass filter. By the decreasing gradient algorithm and ideal binary mask, we obtain the separated speeches. The method is valid...
Long Term Evolution (LTE) is one of the standards in 4G cellular technologies which offer different data rates for voice, video conference and other services. The Orthogonal Frequency Division Multiple Access (OFDMA) is a well suited multiple access scheme of LTE for supporting variable bit rate services. OFDMA-based Cellular communication network face serious challenges in providing good Quality...
With the revolution in the wireless communication and networks there is an increase urge for achieving higher data rates and mobility. The higher data rates give rise to the frequency selective propagation while carrier frequency offset and mobility induced Doppler shift introduces time selectivity in the wireless links, which is termed as Doubly selective. Modeling a Doubly selective channel is a...
In this paper, we propose a linear view interpolation method using defocused stereo images with coded aperture. The proposed method, without requiring depth estimation, reconstructs intermediate view by iteratively minimizing the squared error of stereo images model that is a linear combination of depth textures. Using the defocused images with Zhou's aperture code makes view interpolation higher...
The paper is devoted to the analysis of connections between the limit accuracy of transmission and information characteristics for digital communication systems (DCS) and analog feedback CS (AFCS) applied to transmission of signals from analog sources. It is shown that the mean square error (MSE) of transmission determines information characteristics of AFCS. Differences between the capacities of...
This paper describes the use of two dimensional (2-D) laser scanner for locating badminton shuttlecock in real playing environment. It proposes a method to predict the end point of shuttlecock trajectory. The system is designed using two 2-D laser scanners to locate shuttlecock in midst of air in its trajectory. It helps to calculate shuttlecock's speed, orientation and hence, to predict an end point...
High dynamic range (HDR) images that include large differences in brightness levels are studied to address the lack of knowledge on the quality estimation method for real HDR images. For this, we proposed the local peak signal-to-noise ratio (LPSNR), using the maximum value of neighboring pixels. Next, we proposed an objective estimation method that considers spatial frequency characteristics based...
Smartphones are particularly suitable for health related applications during daily living, given their diffusion into society and computational capabilities. We proposed a smartphone application for real-time step length estimation, using inverted pendulum model. We tested the proposed solution on 5 healthy subjects, comparing the smartphone estimation with a stereophotogrammetric system.
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