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Multi-Model Fusion Framework Using Deep Learning for Visual-Textual Sentiment Classification

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Computers, Materials & Continua 2023年第8期76卷 2145-2177页

作者： Israa K.Salman Al-Tameemi mohammad-Reza Feizi-Derakhshi Saeed Pashazadeh mohammad asadpour Computerized Intelligence Systems Laboratory Department of Computer EngineeringFaculty of Electrical and Computer EngineeringUniversity of TabrizTabriz51368Iran Department of Computer Engineering Faculty of Electrical and Computer EngineeringUniversity of TabrizTabriz51368Iran State Company for Engineering Rehabilitation and Testing Iraqi Ministry of Industry and MineralsBaghdad10011Iraq

Multimodal Sentiment Analysis(SA)is gaining popularity due to its broad application *** existing studies have focused on the SA of single modalities,such as texts or photos,posing challenges in effectively handling social media data with multiple ***,most multimodal research has concentrated on merely combining the two modalities rather than exploring their complex correlations,leading to unsatisfactory sentiment classification *** by this,we propose a new visualtextual sentiment classification model named Multi-Model Fusion(MMF),which uses a mixed fusion framework for SA to effectively capture the essential information and the intrinsic relationship between the visual and textual *** proposed model comprises three deep neural *** different neural networks are proposed to extract the most emotionally relevant aspects of image and text ***,more discriminative features are gathered for accurate sentiment ***,a multichannel joint fusion modelwith a self-attention technique is proposed to exploit the intrinsic correlation between visual and textual characteristics and obtain emotionally rich information for joint sentiment ***,the results of the three classifiers are integrated using a decision fusion scheme to improve the robustness and generalizability of the proposed *** interpretable visual-textual sentiment classification model is further developed using the Local Interpretable Model-agnostic Explanation model(LIME)to ensure the model’s explainability and *** proposed MMF model has been tested on four real-world sentiment datasets,achieving(99.78%)accuracy on Binary_Getty(BG),(99.12%)on Binary_iStock(BIS),(95.70%)on Twitter,and(79.06%)on the Multi-View Sentiment Analysis(MVSA)*** results demonstrate the superior performance of our MMF model compared to single-model approaches and current state-of-the-art techniques based on model evaluation cr

关键词： Sentiment analysis multimodal classification deep learning joint fusion decision fusion interpretability

Risk factors for congenital nasolacrimal duct obstruction in children under two years of age

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国际眼科杂志 2025年第1期25卷 17-23页

作者： Rozhin Kasiri Gholamreza Khataminia Ali Kasiri mohammad Sadegh Mirdehghan mohammad Armin Kasiri Infectious Ophthalmologic Research Center Ahvaz Jundishapur University of Medical SciencesAhvaz ***Iran Islamic Azad University Tehran Medical Sciences Tehran ***Iran

·AIM:To identify various risk factors that may play a significant role in the development of congenital nasolacrimal duct obstruction(CNLDO).·METHODS:This observational case-control study included a case group of 122 children less than two years of age with CNLDO who underwent probing and irrigation treatment at the ophthalmology department of Imam Khomeini Hospital in Ahvaz,Iran,from June 2022 to June2024.A control group of 122 age-matched children without CNLDO was also included for *** was collected from the children's medical records.·RESULTS:The study found a significant correlation between the occurrence of CNLDO and several maternal factors,such as preeclampsia,the use of levothyroxine,hypothyroidism,having more than three pregnancies(gravidity>3),natural pregnancy,and gestational diabetes ***,in children,factors,such as oxygen therapy,anemia,reflux,jaundice,and a family history of CNLDO in first-degree relatives were associated with CNLDO,and maternal preeclampsia and hypothyroidism were found to significantly increase the risk of developing CNLDO in children.·CONCLUSION:Given that CNLDO affects both premature and full-term children,the present findings may potentially facilitate the early identification of children and infants at risk of nasolacrimal duct obstruction,thereby preventing the onset of chronic dacryocystitis.

关键词： risk factors congenital nasolacrimal duct obstruction children

Thermo-elastic extended meshfree method for fracture without crack tip enrichment

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Frontiers of Structural and Civil Engineering 2015年第4期9卷 441-447页

作者： A. asadpour Department of Engineering Mechanics University of Tehran Tehran Iran

This is the first manuscript presenting an extended meshfree method for thermo- elastic fracture which does not exploit a crack tip enrichment. The crack is modeled by partition of unity enrichment of the displacement and temperature field. Only a step function is employed that facilitates the implementation. To ensure that crack tip is at the correct position, a Lagrange multiplier field ahead of the crack tip is introduced along a line. The Lagrange multiplier nodal parameters are discretised with the available meshfree functions. Two benchmark examples illustrate the efficiency of the method.

关键词： meshfree method thermo-elasticity

Er^(3+) ion concentration effect on transient and steady-state behavior in Er^(3+):YAG crystal

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Chinese Physics B 2014年第10期23卷 248-253页

作者： asadpour Seyyed Hossein Rahimpour Soleimani H Department of Physics University of Guilan

The effect of Er3＋ ion concentration on transient and steady-state behavior in 45-nm Er3＋：YAG crystal is investigated. It is shown that by changing the signal field, the coherent field and the concentration of Er3＋ ions in the crystal, the absorption, dispersion, and group index of the weak probe field can be adjusted. Also, it is found that the probe absorption occurs in the presence of population inversion and probe amplification is obtained in the absence of population inversion.

关键词： Er3+ ion concentration absorption dispersion group index

Phase control of group-velocity-based biexciton coherence in a multiple quantum well nanostructure

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Chinese Physics B 2014年第10期23卷 139-146页

作者： Seyyed Hossein asadpour H. Rahimpour Soleimani Department of Physics University of Guilan

A double cascade-type four-level multiple-quantum-well-based exciton-biexciton transitions are proposed. The study is carried out on a 4.8-rim ZnSe single-quantum well which is embedded into ZnMgSSe cladding layers and pseudomor- phically grown by molecular beam epitaxy on a （0 0 1） GaAs substrate. It is displayed that the exciton spin relaxation and relative phases between applied fields can influence the transient and steady-state behaviors of absorption, dispersion, and group velocity of two weak probe and signal fields. Also, transient behaviors of electron population of different levels are discussed. It is found that the probe or signal amplification occurs in the absence of population inversion.

关键词： exciton-spin relaxation biexciton coherence relative phase between applied fields

Role of incoherent pumping and Er^(3+) ion concentration on subluminal and superluminal light propagation in Er^(3+)-doped YAG crystal

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Chinese Physics B 2015年第1期24卷 269-274页

作者： Seyyed Hossein asadpour H.Rahimpour Soleimani Department of Physics University of GuilanRasht Iran

We study the absorption-dispersion process and group index of weak probe field in a four-level Er^3＋：YAG *** find that the Er^3＋ion concentration and incoherent pumping field can influence the absorption-dispersion process and group index of weak probe field. Moreover, our results show that Er^3＋ion concentration plays a major role in lasing without inversion and absorption with inversion.

关键词： Er^3+ion concentration incoherent pumping field superluminal

All-Optical Switching between Optical Bistability and Multistability via Exciton Spin Relaxation

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Communications in Theoretical Physics 2015年第1期63卷 71-76页

作者： asadpour Seyyed Hossein Rahimpour Soleimani Hamid Department of Physics University of Guilan

All-optical coherent control of optical bistability （013） and optical multistability （OM） in the 4.8 nm ZnSe single-quantum well based on excitons and biexciton transitions is investigated. By applying a pair of phase-locked laser pulses all-optical coherent control can be obtained. Theoretical analysis with density matrix and Maxwell equations then yield the optical bistability ~nd optical multistability. It is shown that by controlling the coherent and incoherent processes, the intensity threshold of OB and OM can be modified. Also, it is found that the switching between OB and OM or vice versa can be occurred for some controllable parameters.

关键词： optical bistability exciton spin relaxation quantum well nanostructure

Phase Control of Transient Optical Properties of Quantum-Dot Nanostructure via Terahertz Signal Radiation

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Chinese Physics Letters 2014年第11期31卷 77-80页

作者： Seyyed Hossein asadpour H. Rahimpour Soleimani Department of Physics University of Guilan Rasht Iran

We theoretically analyze the transient properties of a probe field absorption dispersion in a quantum-dot nanos- trueture driven by terahertz signal radiation. Here a four-level quantum-dot nanostructure is designed numerically by Schrodinger and Poisson＇s equations. We show that in the presence of the THz signal, the medium becomes phase dependent and the absorption dispersion can be dramatically influenced by the relative phase between applied fields.

关键词： Quantum dots Nanostructured materials Submillimeter waves Schrödinger equation Physics research

Optical bistability and multistability via double dark resonance in graphene nanostructure

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Chinese Physics B 2016年第6期25卷 223-229页

作者： Seyyed Hossein asadpour G Solookinejad M Panahi E Ahmadi Sangachin Department of Physics Marvdasht BranchIslamic Azad University

Electrons in graphene nanoribbons can lead to exceptionally strong optical responses in the infrared and terahertz regions owing to their unusual dispersion ***,on the basis of quantum optics and solid-material scientific principles,we show that optical bistability and multistability can be generated in graphene nanostructure under strong magnetic *** also show that by adjusting the intensity and detuning of infrared laser field,the threshold intensity and hysteresis loop can be manipulated *** effects of the electronic cooperation parameter which are directly proportional to the electronic number density and the length of the graphene sample are *** proposed model may be useful for the nextgeneration all-optical systems and information processing based on nano scale devices.

关键词： optical bistability optical multistability graphene nanostructure