A Review on Stegnography Data Hiding using Color Images

Singla, Gagandeep; Singh, Chamkour

doi:10.31142/ijtsrd23556

Cited by 2 publications

(3 citation statements)

References 7 publications

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“…The study-case system is examined and tested for two case studies as following. Case 1: Figure (7) shows a comparison between PI and PID based Ziegler Nichol method on the system output when a 3-phase to ground fault occurs at the terminal of the grid where the fault is applied at t= 1.0 sec and cleared after t=1.5 sec. The system output is represented by active power, voltage and duty cycle.…”

Section: Simulation Resultsmentioning

confidence: 99%

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Controller Design to Enhance the Performance of a DC Microgrid Containing Solar PV Connected to the Main Grid

Helal,

Abou El-Ela,

Amer

2023

ERJ. Engineering Research Journal

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This paper presents an effective design for a controlled DC microgrid power system that contains a solar photovoltaic (PV) connected to the grid. The main concept of this control system is to improve the operation of distributed generations (DGs) by keeping the balance between the active and reactive power requirements with other system components. The system includes a passive filter to improve the quality of both voltage and current signals. In addition, the maximum power from PV module is extracted by boosting the generated DC voltage to a suitable level. A voltage source inverter (VSI) is utilized to exchange the DC power to the AC grid. VSI controller consists of voltage and current control systems to regulate the output voltage amplitude and frequency as well as to control current waveform and the output power to the grid. This paper studies the effects of temperature and irradiance on the performance of the PV panel. The complete model of the system and its control is designed and implemented using the MATLAB-SIMULINK toolbox. The conventional PI controller is applied to control the system behavior in comparison with PID based Ziegler Nichol controller. The system is subjected to various disturbances such as 3-phase to ground fault and changes in irradiation and temperature. From simulation results, the system performance is enhanced with PID controller based Ziegler Nichol and is suggested to be the optimal controller for this DC microgrid system if it is well tuned.

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Section: Simulation Resultsmentioning

confidence: 99%

“…Figure (1) shows the block diagram of DC microgrid system that contains PV panel coupled to the grid through boost converter. MPPT combines to DC/DC converter to produce the maximum power and inverter converts DC to AC [7]. The main objective of the overall system is to supplant AC power supply to the grid.…”

Section: Microgrid Modelingmentioning

confidence: 99%

Controller Design to Enhance the Performance of a DC Microgrid Containing Solar PV Connected to the Main Grid

Helal,

Abou El-Ela,

Amer

2023

ERJ. Engineering Research Journal

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“…Besides the watermarking techniques for protecting information, there is the steganography technique that is used with cryptography to maintain the information intact from hackers. Steganography and cryptography can play a very significant role in this field by providing two-level security (54,55). Many researchers have worked on the protection of data through combining steganography and cryptography techniques.…”

Section: Figure 2 Information Security Techniques and Branches (28)mentioning

confidence: 99%

A Comprehensive Review on Medical Image Steganography Based on LSB Technique and Potential Challenges

2021

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The rapid development of telemedicine services and the requirements for exchanging medical information between physicians, consultants, and health institutions have made the protection of patients’ information an important priority for any future e-health system. The protection of medical information, including the cover (i.e. medical image), has a specificity that slightly differs from the requirements for protecting other information. It is necessary to preserve the cover greatly due to its importance on the reception side as medical staff use this information to provide a diagnosis to save a patient's life. If the cover is tampered with, this leads to failure in achieving the goal of telemedicine. Therefore, this work provides an investigation of information security techniques in medical imaging, focusing on security goals. Encrypting a message before hiding them gives an extra layer of security, and thus, will provide an excellent solution to protect the sensitive information of patients during the sharing of medical information. Medical image steganography is a special case of image steganography, while Digital Imaging and Communications in Medicine (DICOM) is the backbone of all medical imaging divisions, whereby it is most broadly used to store and transmit medical images. The main objective of this study is to provide a general idea of what Least Significant Bit-based (LSB) steganography techniques have achieved in medical images.

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A Review on Stegnography Data Hiding using Color Images

Cited by 2 publications

References 7 publications

Controller Design to Enhance the Performance of a DC Microgrid Containing Solar PV Connected to the Main Grid

Controller Design to Enhance the Performance of a DC Microgrid Containing Solar PV Connected to the Main Grid

A Comprehensive Review on Medical Image Steganography Based on LSB Technique and Potential Challenges

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