Results 31 to 40 of about 6,336 (186)
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
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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
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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
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The Journal of Engineering, 2023 Transmitting images over an Orthogonal Frequency Division Multiplexing Access (OFDMA) system poses a significant challenge. The process entails sending a substantial amount of data, which consumes a significant amount of bandwidth.
Khaled A. M. Al Soufy +3 more
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Adaptation of Zerotrees Using Signed Binary Digit Representations for 3D Image Coding [PDF]
, 2007 Zerotrees of wavelet coefficients have shown a good adaptability for the compression of three-dimensional images. EZW, the original algorithm using zerotree, shows good performance and was successfully adapted to 3D image compression.
Pierre Duhamel +8 more
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ICTACT Journal on Image and Video Processing, 2017 In this paper, a multiwavelet based fingerprint compression technique using set partitioning in hierarchical trees (SPIHT) algorithm with optimised prefilter coefficients is proposed.
N R Rema, K T Shanavaz, P Mythili
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A Simple Method for Guaranteeing ECG Quality in Real-Time Wavelet Lossy Coding
EURASIP Journal on Advances in Signal Processing, 2007 Guaranteeing ECG signal quality in wavelet lossy compression methods is essential for clinical acceptability of reconstructed signals. In this paper, we present a simple and efficient method for guaranteeing reconstruction quality measured using the new ...
José García +1 more
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TWO-STEP PROVIDING OF DESIRED QUALITY IN LOSSY IMAGE COMPRESSION BY SPIHT
Радіоелектронні і комп'ютерні системи, 2020 Image information technology has become an important perception technology considering the task of providing lossy image compression with the desired quality using certain encoders Recent researches have shown that the use of a two-step method can ...
Fangfang Li +2 more
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Tree-Structured Multiple Description Coding for Multiview Mobile TV and Camera-Phone Networks [PDF]
, 2011 --- Since multiview video communications facilitate the selection of several camera views of a given scene, it may be deemed to be a promising technique for mobile television and camera-phone networks. Similar to conventional single-view video, multiview
Yongkai Huo +3 more
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MEDICAL IMAGE COMPRESSION USING HYBRID CODER WITH FUZZY EDGE DETECTION [PDF]
ICTACT Journal on Image and Video Processing, 2011 Medical imaging techniques produce prohibitive amounts of digitized clinical data. Compression of medical images is a must due to large memory space required for transmission and storage.
K. Vidhya, S. Shenbagadevi
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