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Efficient Vision Transformers for Autonomous Off-Road Perception Systems

Journal of Computer and Communications 2024年第9期12卷 188-207页

作者： Max H. Faykus III adam Pickeral Ethan Marquez Melissa C. Smith Jon C. Calhoun Holcombe Department of Electrical and Computer Engineering Clemson University Clemson SC USA

The development of autonomous vehicles has become one of the greatest research endeavors in recent years. These vehicles rely on many complex systems working in tandem to make decisions. For practical use and safety reasons, these systems must not only be accurate, but also quickly detect changes in the surrounding environment. In autonomous vehicle research, the environment perception system is one of the key components of development. Environment perception systems allow the vehicle to understand its surroundings. This is done by using cameras, light detection and ranging (LiDAR), with other sensor systems and modalities. Deep learning computer vision algorithms have been shown to be the strongest tool for translating camera data into accurate and safe traversability decisions regarding the environment surrounding a vehicle. In order for a vehicle to safely traverse an area in real time, these computer vision algorithms must be accurate and have low latency. While much research has studied autonomous driving for traversing well-structured urban environments, limited research exists evaluating perception system improvements in off-road settings. This research aims to investigate the adaptability of several existing deep-learning architectures for semantic segmentation in off-road environments. Previous studies of two Convolutional Neural Network (CNN) architectures are included for comparison with new evaluation of Vision Transformer (ViT) architectures for semantic segmentation. Our results demonstrate viability of ViT architectures for off-road perception systems, having a strong segmentation accuracy, lower inference speed and memory footprint compared to previous results with CNN architectures.

关键词： Semantic Segmentation Off-Road Vision Transformers CNNs Autonomous Driving

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Elucidating the molecular basis of ATP-induced cell death in breast cancer: Construction of a robust prognostic model

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World Journal of Clinical Oncology 2024年第2期15卷 208-242页

作者： Hao-Ling Zhang Sandai Doblin Zhong-Wen Zhang Zhi-Jing Song Babu Dinesh Yasser Tabana DahhamSabbar Saad Mowaffaq adam Ahmed adam Yong Wang Wei Wang Hao-Long Zhang Sen Wu Rui Zhao Barakat Khaled Department of Biomedical Sciences Advanced Medical and Dental InstituteUniversiti Sains MalaysiaPenang 13200Malaysia School of Public Health Gansu University of Chinese MedicineLanzhou 730000Gansu ProvinceChina Clinical College of Chinese Medicine Gansu University of Chinese MedicineLanzhou 730000Gansu ProvinceChina Faculty of Pharmacy and Pharmaceutical Sciences University of AlbertaEdmonton AB T6G 2E1Canada Department of Science University of Technology and Applied Sciences RustaqRustaq 10 P.C.329Oman Department of Chemistry and Biochemistry San Diego State UniversitySan DiegoCA 92182United States Department of Pathology Center Gansu University of Chinese MedicineLanzhou 730000Gansu ProvinceChina College of Acupuncture-moxibustion and Tuina Gansu University of Chinese MedicineLanzhou 730000Gansu ProvinceChina Universiti Sains Malaysia Advanced Medical and Dental InstitutePenang 13200Malaysia Department of Biomedical Science Universiti Sains MalaysiaPenang 13200Malaysia

BACKGROUND Breast cancer is a multifaceted and formidable disease with profound public health *** demise mechanisms play a pivotal role in breast cancer pathogenesis,with ATP-triggered cell death attracting mounting interest for its unique specificity and potential therapeutic *** To investigate the impact of ATP-induced cell death(AICD)on breast cancer,enhancing our understanding of its *** The foundational genes orchestrating AICD mechanisms were extracted from the literature,underpinning the establishment of a prognostic ***,a microRNA(miRNA)prognostic model was constructed that mirrored the gene-based prognostic *** between high-and low-risk cohorts within mRNA and miRNA characteristic models were scrutinized,with the aim of delineating common influence mechanisms,substantiated through enrichment analysis and immune infiltration *** The mRNA prognostic model in this study encompassed four specific mRNAs:P2X purinoceptor 4,pannexin 1,caspase 7,and cyclin *** miRNA prognostic model integrated four pivotal miRNAs:hsa-miR-615-3p,hsa-miR-519b-3p,hsa-miR-342-3p,and hsa-miR-324-3p.B cells,CD4+T cells,CD8+T cells,endothelial cells,and macrophages exhibited inverse correlations with risk scores across all breast cancer ***,Kyoto Encyclopedia of Genes and Genomes analysis revealed that genes differentially expressed in response to mRNA risk scores significantly enriched 25 signaling pathways,while miRNA risk scores significantly enriched 29 signaling pathways,with 16 pathways being jointly *** Of paramount significance,distinct mRNA and miRNA signature models were devised tailored to AICD,both potentially autonomous prognostic *** study's elucidation of the molecular underpinnings of AICD in breast cancer enhances the arsenal of potential therapeutic tools,offering an unparalleled window for innovative ***,this paper revea

关键词： ATP-induced cell death mRNA miRNA Prognostic model Breast cancer

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开启人生的一万种新职业

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党员文摘 2024年第19期 63-64页

作者：罗拉 adam 阿夏桑不详

随着新一轮产业革命、数字经济带来的机遇,新职业如井喷般爆发,体现了技术的新发展、未来商业的新趋势和社会发展的新需求。“养虫子给猫吃”,是一种什么样的工作?收到同事传来的信息:陈福瑞便便正常了,霓仔很高兴。陈福瑞是一只经常便... 详细信息

随着新一轮产业革命、数字经济带来的机遇,新职业如井喷般爆发,体现了技术的新发展、未来商业的新趋势和社会发展的新需求。“养虫子给猫吃”,是一种什么样的工作?收到同事传来的信息:陈福瑞便便正常了,霓仔很高兴。陈福瑞是一只经常便秘的橘猫,如厕困难是长期困扰它的“猫生之痛”。它能正常排便后,猫主人激动之余,洋洋洒洒写了一篇猫粮食用反馈,这篇反馈成为霓仔和同事进一步优化产品的数据基础之一。

关键词：产业革命反馈数据基础进一步优化职业猫

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Nutritional and Sanitary Quality of Infant Flours Produced in Ouagadougou, Burkina Faso

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Food and Nutrition Sciences 2024年第8期15卷 727-743页

作者： Léa Kilô adam Bayala-Yaï Philippe Augustin Nikièma Hassane Sangaré Fabrice Bationo Imael Henri Nestor Bassolé Jacques Simpore Laboratoire de Biologie Molculaire et de Gntique (LABIOGENE) Universit Joseph KI-ZERBO Ouagadougou Burkina Faso Laboratoire de Biologie Molculaire dEpidmiologie et Surveillance des Agents Transmissibles par les Aliments (LaBESTA) Universit Joseph KI-ZERBO Ouagadougou Burkina Faso Laboratoire de Microbiologie et de Physicochimie du Dpartement de Technologie Alimentaire (DTA) Institut de Recherche en Sciences Appliques et Technologies (IRSAT) Ouagadougou Burkina Faso

The quality of infant flours used during the weaning age is of great importance in that it conditions the nutritional health of infants and young children. This study aimed to assess the nutritional and sanitary quality of infant flours produced in the city of Ouagadougou. This was a cross-sectional study including 11 out of 25 infant flour production units that gave their consent to partake in the study. In total, 25 infant flour samples have been collected from July to September 2021. The physicochemical and microbiological parameters were determined according to standard methods. The ANOVA analysis of variance showed significant differences between the means of the physico-chemical and the means of the microbiological parameters respectively. The results showed that 60% of proteins and 80% of lipid and total carbohydrate contents were below the authorised limits. The energy values were below the authorised limit in 88% of the cases. All instant infant flours had microbiological loads compliant with Burkinabè standards. As for infant flour to be cooked, 63.64% and 81.82% had satisfactory numbers of total coliforms and faecal coliforms respectively. Staphylococcus aureus and Escherichia coli were detected in these samples with 86.36% of infant formulae having results below the recommended limit. These results show that the infant flours produced in Ouagadougou were somehow of acceptable quality. However, there is a need to improve the formulae for macronutrient contents, energy values and sanitary quality to comply with the recommendations.

关键词： Nutritional and Sanitary Quality Infant Flours Ouagadougou Burkina Faso

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Histopathological Patterns and Early Postoperative Complications among Patients with Surgically Treated Thyroid Diseases at Bugando Medical Centre, Mwanza, Tanzania

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International Journal of Otolaryngology and Head & Neck Surgery 2024年第2期13卷 103-119页

作者： adam Sijaona Olivia M. Kimario Samson E. Kichiba Gustave Buname Fidelis Mbunda Rodrick H. Kabangira Cecilia Protas Department of Otorhinolaryngology Head & Neck Surgery Catholic University of Health and Allied Sciences Mwanza Tanzania Department of Internal Medicine Kamanga Medics Zonal Referral Hospital Mwanza Tanzania Department of Otorhinolaryngology Head & Neck Surgery Bugando Medical Centre Mwanza Tanzania

Background: Thyroid diseases are among the leading endocrine disorders affecting a large proportion of people worldwide and show geographical variation in incidence and histopathological pattern related to age, sex, dietary and environmental factors. Histopathological patterns of surgically treated thyroid diseases play an important role in early diagnosis and management of these diseases. There is, however, limited published data regarding histopathological reports on thyroid disease in our local setting. This study aimed to determine the histopathological patterns and highlight early postoperative complications among patients with surgically treated thyroid diseases at Bugando Medical Centre (BMC). Methods: This was a longitudinal study involving all patients with surgically treated thyroid diseases seen at BMC over a period of 6 months from October 2019 to March 2020. Results: A total of 84 patients were studied. Females outnumbered males by a female to male ratio of 11:1. The median age of patients was 44 [IQR, 35 - 54] years old, the youngest was 14 years old and the oldest was 76 years old. Colloid goiter was the most common non-neoplastic lesion accounting for 34 (44.7%) patients. Among the neoplastic lesions, follicular adenoma was the most commonly encountered benign pathologies (n = 16;21.1%), while papillary carcinoma was the most commonly encountered malignancy (n = 4;50%). Following thyroidectomy, 12 (14.3%) patients developed early complications, of which hemorrhage sometimes requiring blood transfusion was the leading intra/postoperative complications accounting for 4 (33.3%) patients. Other complications include temporary recurrent laryngeal nerve palsy 2 (16.7%), surgical site infection 2 (16.7%) and tracheomalacia, bronchospasm, thyroid abscess and respiratory obstruction in 1 (8.3%) patient each, respectively. In this study, malignant thyroid lesion (p Conclusion: This study demonstrated that colloid goiter was the most common non-neoplastic lesio

关键词： Thyroid Diseases Histopathological Patterns Early Postoperative Complications Tanzania

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Solid rocket propulsion technology for de-orbiting spacecraft

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Chinese Journal of Aeronautics 2022年第3期35卷 128-154页

作者： adam OKNINSKI Center of Space Technologies Lukasiewicz Research Network-Institute of AviationWarsaw 02-256Poland

This paper presents the topic of using solid rocket propulsion for de-orbiting spacecraft,in order to fulfil space debris mitigation *** benefits and disadvantages of using such means are discussed.A dedicated system can be implemented in the satellite design phase and shall be a key subsystem of platforms inserted into ***,semi-controlled and controlled de-orbit can be completed using solid rocket *** impact on the space debris environment is *** requirements for dedicated propellants and systems are *** the majority of presently developed rocket systems worldwide require high burn rates,several applications,including de-orbiting,benefit from solid propellants with decreased regression *** allows limiting spacecraft accelerations and loads during de-orbit ***,the requirement of minimising solid particle generation is *** technology from the Mercury and Gemini human spaceflight programmes,where de-orbit motors were used,is *** Soviet,American and Chinese film-return-capsule solid propellant retrorockets,enabling deorbit,are also presented.A detailed survey of current work worldwide on end-of-life disposal using solid propulsion is *** of developing dedicated systems are ***,an outlook on solid rocket motor utilisation for space debris mitigation is provided.

关键词： De-orbit De-orbiting technology End-of-life disposal Satellite propulsion system development Solid propellant Solid rocket motor Space debris mitigation Space traffic management

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Ethnobotanical Study of Medicinal Plants Used for Treating Urinary Tract Infections in N’Djamena (Chad)

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American Journal of Plant Sciences 2024年第1期15卷 46-55页

作者： Alhadj Djidda Mahamat Soudy Imar Djibrine Hamit Mht Alio Abakar Tadjadine Emmanuel Issa Issa Ramat adam Abdel-Aziz Arada Baroua Abouna Elisabeth Ngo Bum Laboratory of the Faculty of Human Health Sciences of the University of N’Djamena N’Djamena Chad Faculty of Sciences of the University of Maroua Maroua Cameroun Food Quality Control Centre (CECOQDA) N’Djamena Chad National Reference University Hospital of N’Djamena N’Djamena Chad Lute Sectorial Programme against AIDS and Hepatitis (PSLS) N’Djamena Chad Research and Livestock Institute for Development (IRED) N’Djamena Chad

Introduction: Infection disease is a real publique health problem. The rise of resistance for modern antibiotic in infections treatment imposed us order alternatives. The study objective was to contribute in the knowledge of medicinal plants uses in urinary infections treatment in N’Djamena (Chad) in view for amelioration the traditional medicine in future. Methodology: The study was conducted in the city of N’Djamena in the Republic of Chad that interviewed 60 traditherapists on using 11 plants for urinary tract infections treatment. The methodology of this study consisted of the knowledge of medicinal plants that used by traditherapists, and the plants identification was done in the laboratory of IRED at Farcha. Results: A total of 60 traditherapists was interrogated on the plants used in the treatment of urinary tract infections among the population of N’Djamena. The majority of traditherapists interrogated in this study were male with the rate of 61.67% against female with the rate of 38.33%. The age range of traditherapists was between 20 to 80 years, 25 (41.67%) from the age range between 30 - 50 years and 35 (58.33%) in age range from 50 to 70 years. For the origin of their knowledge, the study showed that 72% of traditherapists inherited the knowledge from their family, while 15% inherited from the family and from training. The ethnic groups of the traditherapists were Sara (16%), Maraba (12%) and Massa (11%). According to the results, 18.33% were illiterates, 49% attended primary school and 33.34% the secondary school. Our study found that 11 species of plants belonging to 11 families were used in the treatment of urinary tract infection and the Ziziphus spina-christi was the most represented. According to traditherapists the Ziziphus spina-christi, Cassia obovata and Euphorbia hirta were the most frequent plants used in the urinary tract infections treatment. The parts of plants used in the treatment were leaves and bark, grained leaves and entire plants w

关键词： Urinary Infections Medicinal Plant and Traditherapists

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Proactive interburden fracturing using UIS drilling with validation monitoring

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International Journal of Mining Science and Technology 2021年第1期31卷 3-7页

作者： adam Lines Anglo American Grosvenor MineMoranbah 4744Australia

A series of gas inrush events occurred during development at Grosvenor Mine resulting in exposure to elevated levels of methane at the production face.A total of 22 gas inrush events occurred,with between 15 and 130 m3 of methane released during each *** presence of an undrained seam in the immediate floor,geotechnical characteristics of the floor,and the stress environment all contributed to these dynamic floor events,while the geological characteristics of the seam below,such as the seam thickness and ash content of 75%,prevented effective ***,events only occurred in headings mined parallel to the principal horizontal stress *** cut-throughs(C/T)perpendicular to the principal stress direction no events occurred,and higher methane levels were observed at the production *** solution to preventing the gas inrush events involved creating a conduit in the interburden between the mined seam and the seam in the immediate floor to allow the gas to be drained during the development of the headings,as occurred in the cut-throughs(cut-through and cross-cut are regional terms that are analogous).A series of underground inseam(UIS)holes were drilled using the directional drill rig with the aim of fracturing this interburden ahead of the face and promote floor failure to allow the gas to release *** floor fracturing was conducted using water pressure generated from a longwall salvage pump,with the current UIS drilling equipment retrofitted with a series of subs,packers and a fracturing *** packers and the fracturing tool were shifted to desired locations along the drilled UIS borehole to achieve the required *** fractures were monitored using a proving hole and with a HYDAC data logger attached to the salvage pack,with the results analysed on the surface to ensure connectivity to the working seam.

关键词： Gas drainage Floor fracking UIS drilling

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深度玩转花都巴黎是一席流动的盛宴

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城市地理 2024年第6期 36-45页

作者：莱莱旅法唐小厨(图) 静言(图) adam(图) 无不详摄图网图虫

几百年来,新城诞生,旧城消亡,许多地方孕育出了不同的文化中心和金融首都,却无法撼动巴黎的城市地位。游走于这座浪漫的都市,目光所及之处都是艺术的天堂,足迹所到之地满是文化的盛宴。奥运来临,一场属于巴黎的Citywalk,驱待启程。

关键词：盛宴巴黎游走

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与浪漫之都再相遇细数巴黎的三段“奥运情缘”

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城市地理 2024年第6期 18-25页

作者：秦九高静(图) 长城(图) 沈海滨(图) adam(图) 无不详摄图网

古希腊人以圣火纪念为人类盗火的普罗米修斯,熊熊燃烧的火焰象征人类文明的兴旺。这一仪式在后来发展成奥运会的点火仪式,延续至今。上图为2024年巴黎奥运会在奥林匹亚点燃圣火的现场。时隔100年后,夏季奥运会再次回到了它的发起人——... 详细信息

古希腊人以圣火纪念为人类盗火的普罗米修斯,熊熊燃烧的火焰象征人类文明的兴旺。这一仪式在后来发展成奥运会的点火仪式,延续至今。上图为2024年巴黎奥运会在奥林匹亚点燃圣火的现场。时隔100年后,夏季奥运会再次回到了它的发起人——“现代奥运之父”顾拜旦的故乡法国。作为曾经举办过两次奥运会的城市,“奥运老司机”巴黎此次申奥可谓底气十足。一百年的跨度,此次奥运对于巴黎、法国以及整个奥林匹克运动来说,注定成为一个历史性时刻。

关键词：夏季奥运会点火仪式历史性时刻浪漫之都顾拜旦奥运申奥奥林匹克运动

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