Results 41 to 50 of about 244 (177)
At present, the amount of information on power grid operation and maintenance monitoring image data is increasing, and the requirements for data compression are higher and higher.
Liu Min +3 more
doaj +1 more source
UAVs are widely used but have limited storage and bandwidth issues, so we propose ROIE‐UC, an image compression algorithm for UAV communication. ROIE‐UC uses SLIC and DBSCAN to segment images into ROI and non‐ROI, applying lossless and high‐ratio lossy compression, respectively, and is decompressed at the receiving end.
Yanxia Liang +3 more
wiley +1 more source
Studying the Effects of Compression in EEG-Based Wearable Sleep Monitoring Systems
Long-term sleep monitoring through the use of wearable EEG-based systems generates large volumes of data that need to be either locally stored or wireless transmitted.
Deland Hu Liu, Syed Anas Imtiaz
doaj +1 more source
An Improved Downlink MC-CDMA System for Efficient Image Transmission
Image compression is an essential stage of the data archiving and transmitting process, as it reduces the number of bits and the time required to complete the transmission.
Mohammed Sofiane Bendelhoum +3 more
doaj +1 more source
PERFORMANCE ANALYSIS OF SET PARTITIONING IN HIERARCHICAL TREES (SPIHT) ALGORITHM FOR A FAMILY OF WAVELETS USED IN COLOR IMAGE COMPRESSION [PDF]
With the spurt in the amount of data (Image, video, audio, speech, & text) available on the net, there is a huge demand for memory & bandwidth savings. One has to achieve this, by maintaining the quality & fidelity of the data acceptable to the end user.
A. Sreenivasa Murthy +2 more
doaj
Comparison of IRIS Image Compression using JPEG 2000, SPIHT and modified SPIHT algorithm
Biometric recognition is a common and reliable way to authenticate the identity of the person. Iris recognition is an automated method of biometric identification that uses mathematical pattern-recognition techniques on images of the irides of an individual's eyes.
Mr. Pushkar M.Sathe, Ms. Pranavi Mhatre
openaire +1 more source
Design of Biorthogonal Wavelets based on Spline and Spline-like Functions for Image Compression
Wavelet theory inspired from Fourier analysis is based on the basis function and its properties. Different wavelets use different basis functions which may better suit to some applications.
K Subramanyam, T Ramasri
doaj +1 more source
Adaptive two-step method for providing the desired visual quality for SPIHT
Lossy compression has been widely used in various applications due to its variable compression ratio. However, distortions are introduced unavoidably, and this decreases the image quality.
Fangfang Li
doaj +1 more source
ROBUST IMAGE TRANSMISSION USING SPIHT AND TURBO- CODES
This work describes a method for providing robustness to errors from a binary symmetric channel for the SPIHT image compression. The source rate and channel rate are jointly optimized by a stream of fixed-size channel packets.
Abdelmounaim MOULAY LAKHDAR +2 more
doaj +2 more sources
Three-Dimensional SPIHT Coding of Volume Images with Random Access and Resolution Scalability
End users of large volume image datasets are often interested only in certain features that can be identified as quickly as possible. For hyperspectral data, these features could reside only in certain ranges of spectral bands and certain spatial areas ...
William A. Pearlman, Emmanuel Christophe
doaj +2 more sources

