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Effect on Muscle Strength During Lifting Tasks with Wearable Suit Using Wire and Elastic Bands 钢丝和松紧带对可穿戴服起吊时肌肉力量的影响
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-10-07 DOI: 10.1142/s0219519423400997
Kwang-Hee Lee, Mi Yu, Tae-Kyu Kwon
Recently, as modern people’s consumption trends have been concentrated on contactless consumption such as online shopping since the 2019 COVID-19 Pandemic, the delivery industry, which is in charge of physical movement of online consumption activities, has also seen a series of utilization and demand. However, in contrast to the rapidly increasing volume of couriers, the labor environment of courier workers is poor, and the rapid increase in demand for courier service after the 2019 COVID-19 Pandemic has led to the rise in musculoskeletal diseases in courier workers. Various muscle support systems such as wearable robots have been developed to prevent musculoskeletal diseases in industrial sites, but the system is bulky, so the total weight is high, they are inconvenient to wear, and the wearers cannot freely perform activities when power is not supplied. In this study, the disadvantages of hard wearable robot systems, such as weight and power supply, were supplemented through elastic rubber bands and wires. In addition, wearable suits were developed to reduce the load on the body, prevent overwork, verify the effectiveness of work clothes, and prevent musculoskeletal diseases in courier workers. The experiment was conducted to verify whether the wearable suit affects muscle strength assistance by measuring the muscle usage when lifting weight after measuring the Maximum Voluntary Contract (MVC). The lifting types were classified into three types, and the strength assistance effects of the waist and lower extremities according to the wearable suit were compared.
最近,随着新型冠状病毒感染症(COVID-19)疫情后,现代人的消费趋势集中在网络购物等非接触式消费上,负责网络消费活动实物移动的快递行业也出现了一系列的利用和需求。然而,在快递员数量快速增长的同时,快递员的劳动环境却很差,2019冠状病毒病大流行后快递服务需求的快速增长导致快递员肌肉骨骼疾病的发病率上升。为了预防工业现场的肌肉骨骼疾病,人们开发了各种肌肉支撑系统,如可穿戴机器人,但这些系统体积庞大,总重量高,不方便佩戴,在没有电力供应的情况下,佩戴者无法自由地进行活动。在本研究中,通过弹性橡皮筋和电线来补充硬可穿戴机器人系统在重量和供电等方面的缺点。此外,开发可穿戴的西装,以减轻身体的负荷,防止过度劳累,验证工作服的有效性,并预防快递工人的肌肉骨骼疾病。本实验在测量最大自愿契约(Maximum Voluntary Contract, MVC)后,通过测量举重时的肌肉使用量来验证可穿戴宇航服是否影响肌肉力量辅助。将提升方式分为三种,并根据可穿戴套装对腰部和下肢的力量辅助效果进行比较。
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引用次数: 0
Effects of intervention using biofeedback equipment and a neck correction exercise program on balance control ability, proprioception and craniovertebral angle in young adults: a pilot study 生物反馈设备和颈部矫正运动对年轻人平衡控制能力、本体感觉和颅椎角的影响:一项初步研究
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-10-07 DOI: 10.1142/s0219519423400936
Hyeon Seop Lee, Jong Seon Oh, Kyung Jin Lee, Seong-Gil Kim
The objective of this research was to evaluate the effects of biofeedback equipment with a tilt sensor and a neck correction exercise program on balance control ability, proprioception, and craniovertebral angle (CVA) in young adults. Ten students (M/F, 7/3) aged 20–30 years attending Sunmoon University in Asan-si, South Korea, participated in this study. All subjects participated in three sessions. These sessions consisted of a biofeedback session with a tilt sensor, followed by an exercise session, and a combined session involving biofeedback equipment with a tilt sensor and exercise. Each session takes 30[Formula: see text]min. The sessions were conducted with a one-day interval between each one. Before the start of the experiment, physical characteristics were measured, and proprioception, balance control ability, and CVA were evaluated. The exercise program significantly improved the stability index (SI) in the eyes-closed state. The biofeedback program resulted in improvement in left rotation, and the CVA was significantly improved after all exercise sessions. In conclusion, a neck correction exercise program that actively moves muscles may have a potential positive impact on balance control ability. Biofeedback equipment might aid in enhancing proprioception by preventing forward head posture (FHP).
本研究的目的是评估带有倾斜传感器的生物反馈设备和颈部矫正运动方案对年轻人平衡控制能力、本体感觉和颅椎角(CVA)的影响。10名年龄在20-30岁的韩国峨山市顺文大学学生(M/F, 7/3)参与了本研究。所有受试者都参加了三次会议。这些课程包括一个带有倾斜传感器的生物反馈课程,随后是一个锻炼课程,以及一个包含带有倾斜传感器的生物反馈设备和锻炼的组合课程。每个回合需要30分钟。每次会议之间间隔一天。实验开始前,测量大鼠的身体特征,评估本体感觉、平衡控制能力和CVA。运动方案显著提高了闭眼状态下的稳定性指数(SI)。生物反馈程序改善了左旋,CVA在所有运动后都得到了显著改善。总之,积极运动肌肉的颈部矫正运动项目可能对平衡控制能力有潜在的积极影响。生物反馈设备可能有助于通过防止头部前倾(FHP)来增强本体感觉。
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引用次数: 0
An emotion recognition model based on long short-term memory networks and EEG signals and its application in parametric design 基于长短期记忆网络和脑电图信号的情绪识别模型及其在参数化设计中的应用
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-10-04 DOI: 10.1142/s0219519423400961
Minning Zhou, Lin Zhou, Mengjiao Pan, Xiang Chen
One of the design objectives of a product is to create a positive emotional user experience. Through careful design, the product can evoke emotional resonance in users and stimulate their pleasure and satisfaction. Therefore, emotion recognition is crucial for parameterized product design. Considering that emotion recognition based on electroencephalogram (EEG) signals is more objective and accurate compared to methods such as text and surveys, this paper proposes an emotion analysis model based on long short-term memory (LSTM) and EEG and applies it to parameterized design. The main contributions of this paper are as follows. (1) Constructing a high-accuracy emotion recognition model. First, EEG data reflecting the characteristic patterns of brain activities in different emotional states are collected through EEG electrodes. Then, the EEG data are input into the LSTM network for training, enabling it to learn and capture the features associated with emotional states. During the training process, the model learns to extract crucial emotional features from the EEG data for emotion state recognition. This model can automatically learn emotional features, handle long-term dependencies and provide a more accurate and reliable solution for emotion recognition tasks. (2) Creating an EEG dataset specifically for evaluating emotions related to a product and using the trained emotion recognition model to classify this dataset, obtaining emotion classification results. The emotion classification results can be used to determine which parameter designs in product development need to be retained or discarded. These parameter designs can involve aspects such as user experience, functionality, aesthetics, usability and user-friendliness. Decisions can be made based on the emotion classification results to improve the quality and user satisfaction of the product.
产品的设计目标之一是创造一种积极的情感用户体验。通过精心的设计,唤起用户的情感共鸣,激发用户的愉悦感和满足感。因此,情感识别对于参数化产品设计至关重要。考虑到基于脑电图(EEG)信号的情绪识别相对于文本和调查等方法更客观准确,本文提出了一种基于长短期记忆(LSTM)和脑电图的情绪分析模型,并将其应用于参数化设计。本文的主要贡献如下:(1)构建高精度情绪识别模型。首先,通过脑电电极采集反映不同情绪状态下大脑活动特征模式的脑电数据。然后,将EEG数据输入LSTM网络进行训练,使其能够学习和捕捉与情绪状态相关的特征。在训练过程中,模型学习从脑电数据中提取关键的情绪特征进行情绪状态识别。该模型可以自动学习情绪特征,处理长期依赖关系,为情绪识别任务提供更准确可靠的解决方案。(2)创建专门用于评估产品相关情绪的EEG数据集,并使用训练好的情绪识别模型对该数据集进行分类,获得情绪分类结果。情感分类结果可用于确定产品开发中哪些参数设计需要保留或丢弃。这些参数设计可以涉及用户体验、功能、美学、可用性和用户友好性等方面。可以根据情感分类结果做出决策,以提高产品的质量和用户满意度。
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引用次数: 0
A Novel Cardiac Image Segmentation Method Using an Optimized 3D U-Net Model 一种基于优化三维U-Net模型的心脏图像分割新方法
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-10-04 DOI: 10.1142/s0219519423401024
Xuan Dong, Xuetao Mao, Jian Yao
Medical image segmentation holds significant importance for doctors, patients, and the entire health care industry. For doctors, it provides more accurate information about cardiac structures, aiding in improving diagnoses and treatment decisions. For patients, segmentation techniques enable personalized medical care, enhancing treatment outcomes and satisfaction. The entire health care sector benefits from the advancement of this technology, driving the development of medical science and contributing to better health care quality and patient well-being. Additionally, segmentation plays a crucial role in research and education, facilitating the accumulation and dissemination of medical knowledge. In summary, the application of medical image segmentation has profound implications for progress in the medical field and patient welfare. In recent years, with technological advancements and innovative algorithms, medical image quality has greatly improved, with higher resolution and reduced noise and artifacts. Simultaneously, the application of deep learning techniques has made the automatic analysis and diagnosis of medical images more precise and efficient. However, due to the complex structures and diversity often present in medical images, models tend to have limited generalization across different datasets, leading to unstable segmentation performance. Considering the excellent image segmentation performance of the three-dimensional (3D) U-Net model, this study introduces an improved spatial attention mechanism on the basis of the 3D U-Net model to enhance its segmentation performance. The spatial attention mechanism enhances the model’s feature extraction capabilities. The enhanced network can capture dependencies among features across both channel and spatial dimensions in the entire global scope. Additionally, it can strengthen any two correlated features within the input feature vector, thereby enhancing the model’s representational capacity. Through detailed experimental validation, the effectiveness of the proposed model is thoroughly demonstrated. Its superiority in performance and computational efficiency positions it as a significant breakthrough in the medical image segmentation field, providing a strong foundation for future research and clinical practice in medical image processing.
医学图像分割对医生、患者和整个医疗保健行业都具有重要意义。对医生来说,它提供了更准确的心脏结构信息,有助于改善诊断和治疗决策。对于患者来说,分割技术可以实现个性化的医疗护理,提高治疗效果和满意度。整个医疗保健行业都受益于这项技术的进步,推动了医学科学的发展,并为提高医疗质量和患者福祉做出了贡献。此外,细分在研究和教育中起着至关重要的作用,促进了医学知识的积累和传播。综上所述,医学图像分割的应用对医学领域的进步和患者的福利有着深远的影响。近年来,随着技术的进步和算法的创新,医学图像质量有了很大的提高,分辨率更高,噪声和伪影减少。同时,深度学习技术的应用使得医学图像的自动分析和诊断更加精确和高效。然而,由于医学图像通常存在复杂的结构和多样性,模型在不同数据集上的泛化能力有限,导致分割性能不稳定。考虑到三维U-Net模型具有良好的图像分割性能,本研究在三维U-Net模型的基础上引入了一种改进的空间注意机制,以增强其分割性能。空间注意机制增强了模型的特征提取能力。增强的网络可以在整个全局范围内捕获跨通道和空间维度的特征之间的依赖关系。此外,它可以增强输入特征向量内的任意两个相关特征,从而增强模型的表示能力。通过详细的实验验证,充分证明了该模型的有效性。其在性能和计算效率方面的优势使其成为医学图像分割领域的重大突破,为今后医学图像处理的研究和临床实践提供了坚实的基础。
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引用次数: 0
A Comparison of Coherence Factor and Sign Coherence Factor Applied to a Non-Linear Beamformer 非线性波束形成器中相干系数与符号相干系数的比较
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-10-04 DOI: 10.1142/s0219519423401012
Ke Song, Duo Chen
A new nonlinear beamformer named Double-Stage Delay Multiply and Sum (DS-DMAS) has recently been proposed as a variant of the Delay Multiply and Sum (DMAS) algorithm. DS-DMAS expands DMAS into a summation of multiple terms and considers this summation as Delay and Sum (DAS). In order to address the shortage of DAS, DS-DMAS replaced the DAS with DMAS. However, the construction of the new signal in the DS-DMAS algorithm still employs the DAS method. While DAS is a well-established and reliable method, its output is solely dependent on the signal amplitude. Therefore, signal similarity-based methods such as the Coherence Factor (CF) and the Sign Coherence Factor (SCF) have been proposed to weigh the DAS output and optimize its performance. Taking this into consideration, we incorporated the CF and SCF to weigh each newly generated signal in DS-DMAS, resulting in the Coherence Factor-based Double-Stage Delay Multiply and Sum (DS-DMAS-CF) and the Sign Coherence Factor-based Double-Stage Delay Multiply and Sum (DS-DMAS-SCF) approaches. Our focus is primarily on comparing the performance of DS-DMAS-CF and DS-DMAS-SCF. The results indicate that DS-DMAS-SCF exhibits better noise suppression capabilities compared to DS-DMAS-CF.
近年来提出了一种新的非线性波束形成器——双级延迟乘和(DS-DMAS),作为延迟乘和(DMAS)算法的一种改进。DS-DMAS将DMAS扩展为多个项的和,并将这种和称为延迟和和(DAS)。为了解决DAS的不足,DS-DMAS用DMAS取代了DAS。然而,在DS-DMAS算法中,新信号的构造仍然采用DAS方法。虽然DAS是一种完善可靠的方法,但其输出仅取决于信号幅度。因此,提出了基于信号相似度的方法,如相干系数(CF)和符号相干系数(SCF)来衡量DAS输出并优化其性能。考虑到这一点,我们将CF和SCF合并到DS-DMAS中对每个新生成的信号进行加权,从而产生了基于相干因子的双级延迟相乘和(DS-DMAS-CF)和基于符号相干因子的双级延迟相乘和(DS-DMAS-SCF)方法。我们的重点主要是比较DS-DMAS-CF和DS-DMAS-SCF的性能。结果表明,与DS-DMAS-CF相比,DS-DMAS-SCF具有更好的噪声抑制能力。
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引用次数: 0
PREFACE — A SPECIAL SELECTION ON RECENT ADVANCES IN BIOMECHANICAL ENGINEERING: PART II 前言-生物力学工程最新进展的特别选择:第二部分
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-09-30 DOI: 10.1142/s0219519423020049
Esteban Peña Pitarch, Eddie Y. K. Ng
Journal of Mechanics in Medicine and BiologyOnline Ready No AccessPREFACE — A SPECIAL SELECTION ON RECENT ADVANCES IN BIOMECHANICAL ENGINEERING: PART IIEsteban Peña Pitarch and Eddie Y. K. NgEsteban Peña PitarchUniversitat Politècnica de Catalunya (UPC), Spain and Eddie Y. K. NgNanyang Technological University, Singaporehttps://doi.org/10.1142/S0219519423020049Cited by:0 Next AboutSectionsView articleView Full TextPDF/EPUB ToolsAdd to favoritesDownload CitationsTrack CitationsRecommend to Library ShareShare onFacebookTwitterLinked InRedditEmail View article References 1. Liu F, Ng EYK, Zi Chen, A special section on biological mechanics, J Mech Med Biol 15(6) :1502002-1–1502002-3, 2015. Link, ISI, Google Scholar2. Liu F, Ng EYK, A special section on biological mechanics, J Mech Med Biol 16(8) :1602002-1–1602002-4, 2016. ISI, Google Scholar3. Liu F, Ng EYK, A special section on biomedical imaging in diagnosis and treatment (Part 1), J Med Imag Health Inform 6(5) :1209–1211, 2016. ISI, Google Scholar4. Liu F, Ng EYK, A special section on biomedical imaging in diagnosis and treatment (Part 2), J Med Imag Health Inform 16(7) :1670–1672, 2016. ISI, Google Scholar5. Liu F, Ng EYK, A special section on biomedical imaging in diagnosis and treatment (Part 3), J Med Imag Health Inform 17(1) :126–128, 2017. Google Scholar6. Liu F, Ng EYK, A special section on methods and application in biomedical imaging (Part 1), J Med Imag Health Inform 7(5) :919–921, 2017. ISI, Google Scholar7. Liu F, Ng EYK, A special section on methods and application in biomedical imaging (Part 2), J Med Imag Health Inform 7(7) :1522–1524, 2017. ISI, Google Scholar8. Liu F, Ng EYK, A special section on biological mechanics, J Mech Med Biol 17(7) :1702002-1–1702002-7, 2017. ISI, Google Scholar9. Liu F, Ng EYK, A special section on methods and application in biomedical imaging (Part 3), J Med Imag Health Inform 8(1) :1–4, 2018. ISI, Google Scholar10. Gomez L, Ng EYK, A special section on methods and application in biomedical imaging (Part 1), J Med Imag Health Inform 8(7) :1364–1367, 2018. ISI, Google Scholar11. Gomez L, Ng EYK, A special section on methods and application in biomedical imaging (Part 2), J Med Imag Health Inform 8(8): 1607–1610, 2018. ISI, Google Scholar12. Peña E, Drochon A, Ng EYK, A special selection on biological applications of mechanics, J Mech Med Biol 18(7) :1802001-1–1802001-8, 2018. ISI, Google Scholar13. Peña E, Drochon A, Ng EYK, A special selection on biological applications of mechanics, J Mech Med Biol 18(8) :1802002-1–1802002-8, 2018. ISI, Google Scholar14. Gomez L, Ng EYK, A special section on methods and application in biomedical imaging (Part 3), J Med Imag Health Inform 9(1) :43–46, 2019. ISI, Google Scholar15. Gomez L, Ng EYK, A special section on methods and application in biomedical imaging (Part 1), J Med Imag Health Inform 9(7): 1415–1417, 2019. ISI, Google Scholar16. Gomez L, Ng EYK, A special section on methods and application in biomedical ima
医学和生物学力学杂志在线准备不可访问-生物力学工程最新进展的特别选择:PART IIEsteban Peña Pitarch和Eddie Y. K. NgEsteban Peña PitarchUniversitat politicnica de Catalunya (UPC), Spain和Eddie Y. K. NgEsteban新加坡杨洋理工大学https://doi.org/10.1142/S0219519423020049Cited by:0下一篇文章章节查看文章查看全文pdf /EPUB工具添加到收藏列表下载CitationsTrack citations推荐到图书馆分享分享在facebook上推特链接在redditemail查看文章参考文献1。刘峰,吴彦耀,子晨,生物力学专题,机械医学与生物学报,15(6):1502002-1-1502002-3,2015。链接,ISI, Google Scholar2。刘峰,吴彦科,生物力学专题,机械医学与生物学报,16(8):1602002-1-1602002-4,2016。ISI, Google Scholar3。刘峰,吴彦凯,生物医学影像在诊断和治疗中的应用(上),中国医学影像杂志,2016(5):1209-1211。ISI, Google Scholar4。刘峰,吴彦凯,生物医学影像在诊断和治疗中的应用(下),医学影像与卫生杂志,16(7):1670-1672,2016。ISI, Google Scholar5。刘峰,吴彦凯,生物医学影像在诊断和治疗中的应用(三),中国医学影像杂志,17(1):126-128,2017。谷歌Scholar6。刘峰,吴彦凯,生物医学成像方法与应用研究(1),医学影像与健康杂志,7(5):919-921,2017。ISI, Google Scholar7。刘峰,吴彦凯,生物医学成像方法与应用研究(下),医学影像与健康,2017(7):1522-1524。ISI, Google Scholar8。刘峰,吴彦科,生物力学专题,机械医学与生物学报,17(7):1702002-1-1702002-7,2017。ISI,谷歌搜索。刘峰,吴彦凯,生物医学成像方法及应用研究(三),中国医学影像杂志,2018(1):1 - 4。ISI, Google Scholar10。王晓明,王晓明,王晓明,生物医学成像技术的研究进展(1),中国医学杂志,2018(7):1364-1367。ISI,谷歌搜索。王晓明,王晓明,王晓明,生物医学成像技术的研究进展(二),中国医学杂志,2018,34(8):1070 - 1080。ISI,谷歌搜索。Peña E, Drochon A, Ng EYK,一种特殊选择的力学在生物中的应用,机械医学,18(7):1802001-1 - 1802001- 8,2018。ISI, Google Scholar13。Peña E, Drochon A, Ng EYK,一种特殊的生物力学应用选择,机械医学,18(8):1802002-1-1802002-8,2018。ISI, Google Scholar14。王晓明,吴彦宏,生物医学成像技术的研究进展(第三部分),中国医学影像杂志,2019,31(1):449 - 456。ISI,谷歌搜索。王晓明,吴彦宏,生物医学成像技术的研究进展(1),中国医学杂志,2019(7):1415-1417。ISI, Google Scholar16。王志强,吴彦宏,生物医学成像技术的研究进展(二),中国医学杂志,2019(9):1849-1852。ISI, Google Scholar17。[Peña]王志强,王志强,王志强,生物力学在医学上的应用——(1).中国生物医学工程学报,2019(7):1902003-1 - 1902003- 8,2019。ISI, Google Scholar18。[Peña]王志强,王志强,王志强,生物力学在医学中的应用——(下),中国医学工程学报,19(8):1902004- 1902004- 8,2019。ISI, Google Scholar19。王志强,吴彦宏,生物医学成像技术的研究进展(3),中国医学杂志,2010(3):661 - 661,2020。ISI, Google Scholar20。张建军,张建军,张建军,生物医学成像技术的研究进展(1),中国医学杂志,2010(11):662 - 662,2020。ISI, Google Scholar21。[Peña]王志强,王志强,王志强。机械工程在生物医学中的应用[J] .中国机械工程学报,2016(9):2002001-1-2002001-7,2020。ISI, Google Scholar22。[Peña]王志强,王志强,王志强,机械工程在生物医学中的应用(下),机械医学与生物医学杂志,20(10):2002002-1-2002002-8,2020.]ISI, Google Scholar23。王晓明,王晓明,王晓明。机器学习在人体健康评估中的应用[J] .中国生物医学工程学报,21(5):591 - 591,2012。谷歌Scholar24。Peña E, Ng EYK,生物力学在医学科学中的特殊应用-第一部分,机械医学,21(9):2102002-1-2102002-6,2021。谷歌Scholar25。Peña E, Ng EYK,生物力学在医学科学中的特殊应用-第二部分,机械医学,21(10):2102003-1 - 2102003- 7,2021。ISI, Google Scholar26。Peña,吴彦勇,吴彦宏,生物力学新技术的选择-第一部分,机械医学,22(3):2202001,1 - 2202001,22,2022。谷歌Scholar27。Peña,吴彦勇,吴彦宏,生物力学新技术的选择-第二部分,机械医学杂志,22(8):2202002-1-2202002-8,2022。谷歌Scholar28。
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引用次数: 0
Influence of Femur Length on Asymmetry of Prosthetic Gait Biomechanics in Transfemoral Amputation 股骨长度对经股截肢假肢步态不对称性的影响
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-09-29 DOI: 10.1142/s0219519423500999
K. Ezhumalai, Arpita Padhi, Rajesh Kumar Mohanty, Rojaleen Pradhan, Patitapaban Mohanty
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引用次数: 0
Predicting Cardiac Health Using Sub-Component of a Phonocardiogram 利用心音图子分量预测心脏健康
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-09-29 DOI: 10.1142/s0219519423500987
Shruti Arora, Sushma Jain, Inderveer Chana
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引用次数: 0
Mask Classification Segmentation Method Based on Gourped Convolution and Spatial Pyramidal Convolution Model for Thyroid Cancer Identification 基于Gourped卷积和空间锥体卷积模型的面罩分类分割方法用于甲状腺癌识别
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-09-16 DOI: 10.1142/s021951942340105x
Linping Wang, Xi Lin, Zuobing Zhang, Jinrong Lin, Tao Yang, Xiaodong Zhang
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引用次数: 0
Augmented reality-based nasal endoscope video reconstruction and registration 基于增强现实的鼻内窥镜视频重建与配准
4区 医学 Q4 BIOPHYSICS Pub Date : 2023-09-15 DOI: 10.1142/s0219519423400948
Sihan Fan, Xiaokun Dai, Xueqin Ji, Xinrong Chen
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引用次数: 0
期刊
Journal of Mechanics in Medicine and Biology
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