Results 21 to 30 of about 1,568 (215)
Curvelet Transform Based Compression Algorithm for Low Resource Hyperspectral Image Sensors
Journal of Electrical and Computer Engineering, Volume 2023, Issue 1, 2023., 2023 The wavelet transform is widely used in the task of hyperspectral image compression (HSIC). They have achieved outstanding performance in the compression of a hyperspectral (HS) image, which has attracted great interest. However, transform based hyperspectral image compression algorithm (HSICA) has low‐coding gain than the other state of art HSIC ...
Shrish Bajpai +6 more
wiley +1 more source
The Journal of Engineering, Volume 2022, Issue 6, Page 656-664, June 2022., 2022 Abstract Orthogonal frequency division multiple access (OFDMA) has been attracting much attention in the recent generation of wireless communications to meet the required demands arising from the explosive growth of Internet, multimedia and broadband services. Currently, images transmission is one of the main parts of wireless communication.
Nagi H. Al‐Ashwal +3 more
wiley +1 more source
A blind contour‐aware quality model for sonar images
IET Image Processing, Volume 16, Issue 4, Page 1017-1026, March 2022., 2022 Abstract Since the penetration depth of visible light is limited in muddy and dark deep marine environment, sonar imaging, which is independent of natural light, has been attracting much attention in underwater detections. However, the visual quality of sonar image is inevitably damaged during the acquisition and the transmission in the sophisticated ...
Weiling Chen +3 more
wiley +1 more source
DWT‐SVD Based Watermarking for High‐Resolution Medical Holographic Images
Complexity, Volume 2022, Issue 1, 2022., 2022 Watermarking is one of the most common techniques used to protect data’s authenticity, integrity, and security. The obfuscation in the frequency domain used in the watermarking method makes the watermarking stronger than the obfuscation in the spatial domain.
Fahrettin Horasan +6 more
wiley +1 more source
Performance Enhancement of Bit‐Level XOR Compressed Image OFDM Transmission Systems
Mobile Information Systems, Volume 2022, Issue 1, 2022., 2022 The bit error rate (BER) formula of the M‐QAM system is derived under nonequally likely condition of the constellation points, from which improving the BER performance of the M‐QAM system by optimizing the probability distribution of constellation points is identified.
Linlin Xue +3 more
wiley +1 more source
Journal of Sensors, Volume 2022, Issue 1, 2022., 2022 In recent times, the medical image processing solves several clinical issues by inspecting the visual images, which are generated in the clinical health care units. The main objective of the research is to gain valuable information from the images for better clinical diagnosis.
S. Aruna Deepthi +3 more
wiley +1 more source
Medical Image Compression Based on Variational Autoencoder
Mathematical Problems in Engineering, Volume 2022, Issue 1, 2022., 2022 With the rapid growth of medical image data, it has become a current research hotspot that how to realize the large amounts of the real‐time upload and storage of medical images with limited network bandwidth and storage space. However, currently, medical image compression technology cannot perform joint optimization of rate (the degree of compression)
Xuan Liu +7 more
wiley +1 more source
IET Signal Processing, Volume 15, Issue 5, Page 337-351, July 2021., 2021 Abstract The proliferation of tele‐healthcare services at an accelerated rate raises concerns over the management,security and privacy of the patient's confidential data (an individual's personal details and medical biography) during its transmission and storage. To resolve these issues, amalgamation of three fundamental techniques of remote healthcare
Neetika Soni, Indu Saini, Butta Singh
wiley +1 more source
Hyperspectral image, video compression using sparse tucker tensor decomposition
IET Image Processing, Volume 15, Issue 4, Page 964-973, March 2021., 2021 Abstract Hyperspectral image and videos provide rich spectral information content, which facilitates accurate classification, unmixing, temporal change detection, and so on. However, with the rapid improvements in technology, the data size has increased many folds.
Samiran Das
wiley +1 more source
A Metaheuristic Approach to Secure Multimedia Big Data for IoT‐Based Smart City Applications
Wireless Communications and Mobile Computing, Volume 2021, Issue 1, 2021., 2021 Media streaming falls into the category of Big Data. Regardless of the video duration, an enormous amount of information is encoded in accordance with standardized algorithms of videos. In the transmission of videos, the intended recipient is allowed to receive a copy of the broadcasted video; however, the adversary also has access to it which poses a ...
Harsimranjit Singh Gill +6 more
wiley +1 more source