30 hasil untuk "Simin Yu"
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Artikel Jurnal Teks lengkap
On the Security of a Latin-Bit Cube-Based Image Chaotic Encryption Algorithm
In this paper, the security analysis of an image chaotic encryption algorithm based on Latin cubes and bit cubes is given. The proposed algorithm adopts a first-scrambling-diffusion- second-scrambling three-stage encryption scheme. First, a finite field is constructed using chaotic sequences. Then…
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Artikel Jurnal Teks lengkap
Breaking an Image Encryption Algorithm Based on DNA Encoding and Spatiotemporal Chaos
Recently, an image encryption algorithm based on DNA encoding and spatiotemporal chaos (IEA-DESC) was proposed. In IEA-DESC, pixel diffusion, DNA encoding, DNA-base permutation and DNA decoding are performed successively to generate cipher-images from the plain-images. Some security analyses and…
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Artikel Jurnal
On the Security Analysis of a Hopfield Chaotic Neural Network-Based Image Encryption Algorithm
In this paper, the security analysis of a color image encryption algorithm based on Hopfield chaotic neural network is given. The original chaotic image encryption algorithm includes permutation encryption and diffusion encryption. The result of cryptanalysis shows that the chaotic sequences…
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Artikel Jurnal Teks lengkap
Cryptanalysis of an Image Encryption Algorithm Based on Two-Dimensional Hyperchaotic Map
This paper analyzes the security of an image encryption algorithm based on a two-dimensional hyperchaotic map. This encryption algorithm generated chaotic sequences through a combination of two one-dimensional chaotic maps and used them as the permutation and diffusion key. Then, the image was…
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Artikel Jurnal Teks lengkap
Security Analysis of the Image Encryption Algorithm Based on a Two-Dimensional Infinite Collapse Map
This paper analyzes the security of the image encryption algorithm based on a two-dimensional (2D) infinite collapse map. The encryption algorithm adopts a permutation–diffusion structure and can perform two or more rounds to achieve a higher level of security. By cryptanalysis, it is found that…
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Artikel Jurnal
The relationship between serum IL-6, hs-CRP, SAA and acute lung injury in elderly patients with sepsis and their prognostic value
Objective To analyze the prognostic predictive value of combined serum interleukin-6 (IL-6), high-sensitivity C-reactive protein (hs-CRP), and amyloid A (SAA) tests in elderly patients with sepsis combined with acute lung injury (ALI). Methods From May 2021 to May 2023, 50 elderly patients with…
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Artikel Jurnal Teks lengkap
A Novel Chaotic Image Encryption Scheme Armed with Global Dynamic Selection
Due to the equivalent keys revealed by a chosen-plaintext attack or a chosen-ciphertext attack, most of the existing chaotic image encryption schemes are demonstrated to be insecure. In order to improve security performance, some scholars have recently proposed the plaintext-related chaotic image…
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Artikel Jurnal
Cryoballoon vs. laser balloon ablation for atrial fibrillation: a meta-analysis
BackgroundCryoballoon ablation (CBA) and laser balloon ablation (LBA) are two innovative ways for the treatment of atrial fibrillation (AF). This study aimed to evaluate the efficacy and safety of cryoballoon ablation and laser balloon ablation in patients with AF.MethodsWe searched Pubmed, Embase…
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Artikel Jurnal
The efficacy and mechanism of an integrated mindfulness-based programme on posttraumatic stress disorder among people with HIV: a randomized controlled trial with 3-month follow up
Background: Posttraumatic stress disorder (PTSD) is highly prevalent among people with HIV (PWH) and is associated with poor psychological functioning and reduced adherence to antiretroviral therapy (ART), threatening treatment outcomes. Although the Community Resiliency Model (CRM) and…
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Artikel Jurnal Teks lengkap
Spatial and Temporal Variation of GPP and Its Response to Urban Environmental Changes in Beijing
The carbon sequestration capacity of vegetation is the key to the carbon cycle in terrestrial ecosystems. It is significant to analyze the spatiotemporal variation and influencing factors of vegetation carbon sequestration ability to improve territorial carbon sink and optimize its spatial pattern…
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Artikel Jurnal Teks lengkap
The relationship between serum klotho and cognitive performance in a nationally representative sample of US adults
PURPOSE: Aging is the primary risk factor for cognitive decline. Serum klotho, as an anti-aging protein, may be involved in cognitive decline. Thus, we aim to explorer the correlation between serum klotho and cognitive performance among an older adult population in the United States. METHODS: We…
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Artikel Jurnal
An Amperometric Sensitive Hydrogen Peroxide Sensor Based on a Silver Nanoparticle-Doped Polyimide-Modified Glassy Carbon Electrode
We report a novel non-enzymatic sensor for the detection of hydrogen peroxide based on a polyimide and silver nanoparticle composite-modified glassy carbon electrode. The structure and morphology of the modified electrode surface were characterized by scanning electron microscopy and atomic force…
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Artikel Jurnal
Body fluids biomarkers associated with prognosis of acute ischemic stroke: progress and prospects
Acute ischemic stroke (AIS) is one of the most common strokes posing a grave threat to human life and health. Predicting the prognosis of AIS allows for an understanding of disease progress, and a better quality of life by making individualized treatment scheme. In this paper, we conducted a…
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Artikel Jurnal
Parasitic Memcapacitor Effects on HP TiO2 Memristor Dynamics
In this paper, we study an HP TiO2 memristor model with a parasitic memcapacitor, and it is shown that the parasitic element has significant effects on the volt-ampere characteristics and the dynamics of the memristor circuits. Further, the study shows that the pinched point on the hysteresis loop…
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Artikel Jurnal
An Optimized Memristor-Based Hyperchaotic System With Controlled Hidden Attractors
A new memristor-based hyperchaotic system is described in this paper. After studying on its basic dynamic characteristics, it is found that the hidden attractors can be obtained by adding a nonzero parameter (which named optimized factor in this paper) to the system. Moreover, when the optimized…
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Artikel Jurnal
Privacy-preserving recommendation system based on social relationships
In the era of internet-based data, recommendation systems are crucial for helping users access personalized content and facilitating business promotion and sales. Recommendation systems based on social relationships have gained popularity due to their ability to use social influence and enhance the…
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Artikel Jurnal
Flexible ureteroscopic treatment of kidney stones: How do the new laser systems change our concepts?
Objective: Flexible ureteroscopy (fURS) has become a widely accepted and effective technique for treating kidney stones. With the development of new laser systems, the fURS approach has evolved significantly. This literature review aims to examine the current state of knowledge on fURS treatment of…
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Artikel Jurnal
Shared genetic effect of kidney function on bipolar and major depressive disorders: a large-scale genome-wide cross-trait analysis
Abstract Background Epidemiological studies have revealed a significant association between impaired kidney function and certain mental disorders, particularly bipolar disorder (BIP) and major depressive disorder (MDD). However, the evidence regarding shared genetics and causality is limited due to…
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Artikel Jurnal
Perceived HIV risk and factors associated with condom use among women aged 40 and older: A cross-sectional survey
Objectives: A noticeable increase in HIV-positive cases among women, particularly those of middle and old age, has been observed worldwide. This study aimed to describe women’s perceived HIV risk, HIV/Acquired Immunodeficiency Syndrome (AIDS) knowledge, attitude, and sexual behaviors to determine…
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Artikel Jurnal
Consolidation of temperature-dependent toxicity and thermoregulatory behavior into risk assessments of insecticides under thermal scenarios: A prospective study on Eremias argus
In this study, the temperature-dependent chemical toxicity of three insecticides and the resulting thermoregulatory (TR) behavior of the lizard Eremias argus have been consolidated into the current risk assessment framework. According to acute dermal toxicity assays, an increase of ambient…