Results 11 to 20 of about 12,815 (208)

Penyembunyian Data pada File Video Menggunakan Metode LSB dan DCT

open access: yesIJCCS (Indonesian Journal of Computing and Cybernetics Systems), 2014
Abstrak Penyembunyian data pada file video dikenal dengan istilah steganografi video. Metode steganografi yang dikenal diantaranya metode Least Significant Bit (LSB) dan Discrete Cosine Transform (DCT).
Mahmuddin Yunus, Agus Harjoko
doaj   +3 more sources

Encryption Based Image Watermarking Algorithm in 2DWT-DCT Domains

open access: yesSensors, 2021
This paper proposes an encryption-based image watermarking scheme using a combination of second-level discrete wavelet transform (2DWT) and discrete cosine transform (DCT) with an auto extraction feature.
Nayeem Hasan   +4 more
doaj   +2 more sources

A Comparison of Speckle Reduction Techniques in Medical Ultrasound Imaging

open access: yesApplied Medical Informatics, 2015
Speckle noise is a multiplicative noise that degrades the visual evaluation in ultrasound imaging. In addition, it limits the efficient application of intelligent image processing algorithms, such as segmentation techniques. Thus, speckle noise reduction
Cristina STOLOJESCU-CRISAN
doaj   +1 more source

The mean and standard deviation (SD) of peak signal-to-noise ratio (PSNR) and structural similarity (SSIM) after one-sample Kolmogorov-Smirnov (KS) test.

open access: yes, 2023
The mean and standard deviation (SD) of peak signal-to-noise ratio (PSNR) and structural similarity (SSIM) after one-sample Kolmogorov-Smirnov (KS) test.
Yida Wang (1480507)   +7 more
core   +1 more source

Changes in objective image quality in terms of the peak signal to noise ratio (PSNR) depending on the low-frequency weight value (αlow) when optimizing Lwo loss.

open access: yes, 2022
Changes in objective image quality in terms of the peak signal to noise ratio (PSNR) depending on the low-frequency weight value (αlow) when optimizing Lwo loss.
Mihyun Kang (13766993)   +4 more
core   +1 more source

Trade-off of perception-distortion of U-Net and our proposed network.

open access: yes, 2022
The metric is the peak signal to noise ratio (PSNR).
Mihyun Kang (13766993)   +4 more
core   +1 more source

An efficient deep learning model for brain tumour detection with privacy preservation

open access: yesCAAI Transactions on Intelligence Technology, EarlyView., 2023
Abstract Internet of medical things (IoMT) is becoming more prevalent in healthcare applications as a result of current AI advancements, helping to improve our quality of life and ensure a sustainable health system. IoMT systems with cutting‐edge scientific capabilities are capable of detecting, transmitting, learning and reasoning.
Mujeeb Ur Rehman   +8 more
wiley   +1 more source

PERFORMANCE EVALUATION AND COMPARATIVE ANALYSIS OF WATERMARKING ALGORITHM BASED ON ADAPTIVE PREDICTION METHOD

open access: yesICTACT Journal on Image and Video Processing, 2018
Now a days digital watermarking appeared as a solution for copyright detection, protection and maintenance of important data. This paper deals with a new reversible watermarking algorithm based on adaptive prediction error expansion, which can recover ...
Chetna Sharma, Neeraj Jain
doaj   +1 more source

Quantitative assessment of altered image quality.

open access: yes, 2021
Quality scores obtained for synthetic image data generated on different quality levels by varying α from Eq 6, including the normalized root mean square error (NRMSE), structural similarity index measure (SSIM), zero mean normalized cross-correlation ...
Mareike Jarchow (11785487)   +4 more
core   +1 more source

Vergleich kantenlistenbasierter Bildmatchingverfahren zur Bewegungskompensation von Fundusbildern [PDF]

open access: yes, 2003
This paper prescnts different approaches on edge hascd template matching algorithms. The result of the edge based template matching algorithms are compared with common template matching algorithms.
Boymann, Simon   +3 more
core   +1 more source

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