Results 21 to 30 of about 6,054 (242)
The Journal of Engineering, 2022 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 ...
Nagi H. Al‐Ashwal +3 more
doaj +1 more source
Enhanced SPIHT Algorithm with Pipelined Datapath Architecture Design
Electrica, 2019 Set partitioning in hierarchical trees(SPIHT) is an efficient algorithm which is used for the image compressionwidely. SPIHT operates sequentially so, its parallel implementation isdifficult.
Serap Cekli, Ali Akman
doaj +1 more source
Three-Dimensional SPIHT Coding of Volume Images with Random Access and Resolution Scalability
EURASIP Journal on Image and Video Processing, 2008 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
A Very Compact AES-SPIHT Selective Encryption Computer Architecture Design with Improved S-Box
Journal of Engineering, 2013 The “S-box” algorithm is a key component in the Advanced Encryption Standard (AES) due to its nonlinear property. Various implementation approaches have been researched and discussed meeting stringent application goals (such as low power, high throughput,
Jia Hao Kong +2 more
doaj +1 more source
Adaptive two-step method for providing the desired visual quality for SPIHT
Радіоелектронні і комп'ютерні системи, 2022 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
ICTACT Journal on Image and Video Processing, 2018 In this paper, a multi-wavelet transform with decimated frequency bands is proposed to be used in the Set Partitioning in Hierarchical Trees (SPIHT) algorithm to improve fingerprint image compression.
N R Rema, P Mythili
doaj +1 more source
Memory Efficient Set Partitioning in Hierarchical Tree (MESH) for Wavelet Image Compression
IEICE Transactions on Communications, 2012 This paper presents a memory efficient version of set partitioning in hierarchical tree (SPIHT). The proposed coder called Memory Efficient SPIHT (MESH) uses a single re-usable list instead of three continuously growing linked lists as in conventional SPIHT.
Farid Ghani +3 more
openaire +1 more source
Joint Image Compression and Encryption Using IWT with SPIHT, Kd-Tree and Chaotic Maps
Applied Sciences, 2018 Confidentiality and efficient bandwidth utilization require a combination of compression and encryption of digital images. In this paper, a new method for joint image compression and encryption based on set partitioning in hierarchical trees (SPIHT) with
Nasrullah +5 more
doaj +1 more source
Method for pre-processing of level crossing image [PDF]
Transport Problems, 2015 Actuality of problem in the improvement of transport safety at level crossings (LC) is caused by increasing the number of vehicles and reducing discipline of vehicle drivers.
Roman RYBALKA, Konstantin HONCHAROV
doaj
Accurate and noninvasive prostate cancer detection using plasma‐derived extracellular vesicle RNA
FEBS Open Bio, EarlyView.Plasma extracellular vesicles were captured with WGA‐conjugated magnetic beads and profiled for RNA biomarkers. A three‐RNA panel (NM_024955, NR_047469, and NR_002564) distinguished prostate cancer from healthy controls and benign prostatic hyperplasia, supporting a simple, noninvasive approach to improve prostate cancer detection.
Hanping Wei, Haoran Wu, Wei Feng
wiley +1 more source