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13. DOTS: Decoupling Operation and Topology in Differentiable Architecture Search

Author

Gu, Yu-Chao, Wang, Li-Juan, Liu, Yun, Yang, Yi, Wu, Yu-Huan, Lu, Shao-Ping, and Cheng, Ming-Ming

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

Differentiable Architecture Search (DARTS) has attracted extensive attention due to its efficiency in searching for cell structures. DARTS mainly focuses on the operation search and derives the cell topology from the operation weights. However, the operation weights can not indicate the importance of cell topology and result in poor topology rating correctness. To tackle this, we propose to Decouple the Operation and Topology Search (DOTS), which decouples the topology representation from operation weights and makes an explicit topology search. DOTS is achieved by introducing a topology search space that contains combinations of candidate edges. The proposed search space directly reflects the search objective and can be easily extended to support a flexible number of edges in the searched cell. Existing gradient-based NAS methods can be incorporated into DOTS for further improvement by the topology search. Considering that some operations (e.g., Skip-Connection) can affect the topology, we propose a group operation search scheme to preserve topology-related operations for a better topology search. The experiments on CIFAR10/100 and ImageNet demonstrate that DOTS is an effective solution for differentiable NAS.

Published
2020

22. Classification of PRSS1 variants responsible for chronic pancreatitis: An expert perspective from the Franco-Chinese GREPAN Study Group

Author

Abrantes, Amandine, Aguilera Munoz, Lina, Albouys, Jérémie, Alric, Laurent, Amiot, Xavier, Archambeaud, Isabelle, Audiau, Solène, Bastide, Laetitia, Baudon, Julien, Bellaiche, Guy, Bellon, Serge, Bertrand, Valérie, Bideau, Karine, Billiemaz, Kareen, Billioud, Claire, Bonnefoy, Sabine, Borderon, Corinne, Bournet, Barbara, Breton, Estelle, Brugel, Mathias, Buscail, Louis, Cadiot, Guillaume, Camus, Marine, Causse, Xavier, Chamouard, Patrick, Chaput, Ulriikka, Cholet, Franck, Ciocan, Dragos Marius, Clavel, Christine, Coffin, Benoit, Coimet-Berger, Laura, Creveaux, Isabelle, Culetto, Adrian, Daboussi, Oussama, De Mestier, Louis, Degand, Thibault, D'Engremont, Christelle, Denis, Bernard, Dermine, Solène, Desgrippes, Romain, Drouet D'Aubigny, Augustin, Enaud, Raphaël, Fabre, Alexandre, Gargot, Dany, Gelsi, Eve, Gentilcore, Elena, Gincul, Rodica, Ginglinger-Favre, Emmanuelle, Giovannini, Marc, Gomercic, Cécile, Gondran, Hannah, Grainville, Thomas, Grandval, Philippe, Grasset, Denis, Grimaldi, Stéphane, Grimbert, Sylvie, Hagege, Hervé, Heissat, Sophie, Hentic, Olivia, Herber-Mayne, Anne, Hervouet, Marc, Hoibian, Solene, Jacques, Jérémie, Jais, Bénédicte, Kaassis, Mehdi, Koch, Stéphane, Lacaze, Elodie, Lacroute, Joël, Lamireau, Thierry, Laurent, Lucie, Le Guillou, Xavier, Le Rhun, Marc, Leblanc, Sarah, Levy, Philippe, Lievre, Astrid, Lorenzo, Diane, Maire, Frédérique, Marcel, Kévin, Matias, Clément, Mauillon, Jacques, Morgant, Stéphanie, Moussata, Driffa, Muller, Nelly, Nambot, Sophie, Napoleon, Bertrand, Olivier, Anne, Pagenault, Maël, Pelletier, Anne-laure, Pennec, Olivier, Pinard, Fabien, Pioche, Mathieu, Prost, Bénédicte, Queneherve, Lucille, Rebours, Vinciane, Reboux, Noemi, Rekik, Samia, Riachi, Ghassan, Rohmer, Barbara, Roquelaure, Bertrand, Rosa Hezode, Isabelle, Rostain, Florian, Saurin, Jean-Christophe, Servais, Laure, Stan-Iuga, Roxana, Subtil, Clément, Texier, Charles, Thomassin, Lucie, Tougeron, David, Tsakiris, Laurent, Valats, Jean-Christophe, Vuitton, Lucine, Wallenhorst, Timothée, Wangerme, Marc, Zanaldi, Hélène, Zerbib, Frank, Bai, Chen-Guang, Bian, Yun, Cai, Zhen-Zhai, Chang, Xiao-Yan, Chen, Guo-Dong, Cheng, Li, Chen, Yu, Guo, Jin-Tao, Guo, Tao, Han, Jun-Ling, He, Chao-Hui, Hu, Liang-Hao, Huang, Hao-Jie, Huang, Li, Huang, Li-Ya, Huang, Si-Lin, Huang, Wei, Jiang, Fei, Jiang, Hui, Lu, Feng-Chun, Lu, Guo-Tao, Lu, Zi-Peng, Li, Hui-Ping, Li, Jing, Li, Le, Li, Qiang, Li, Xiao-Yu, Lin, Qing, Lin, Yu-Li, Liu, Gai-Fang, Liu, Jie-Min, Liu, Li-Xin, Liu, Pi, Liu, Yi-Pin, Lu, Dong, Shao, Xiao-Dong, Shao, Zhuo, Song, Xu-Rui, Wang, Lei, Wang, Li-Juan, Wang, Li-Sheng, Wang, Lin, Wang, Wei, Wang, Zheng, Wen, Li, Wu, Xi, Xin, Lei, Xue, Jing, Yang, Hong, Yang, Jian-Feng, Yin, Tao, Zhang, Bei-Ping, Zhang, Guo-Wei, Zhang, Hong, Zhang, Rong-Chun, Zhao, Yi-Jun, Zhou, Si-Si, Zhu, Ke-Xiang, Masson, Emmanuelle, Zou, Wen-Bin, Pu, Na, Génin, Emmanuelle, Wu, Hao, Lin, Jin-Huan, Wang, Yuan-Chen, Li, Zhao-Shen, Cooper, David N., Férec, Claude, Liao, Zhuan, and Chen, Jian-Min

Published
2023
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44. Influence of blood pressure patterns on cognitive function in patients with Parkinson's disease

Author

HUANG Wen⁃lin, LI Xiao⁃hong, HE Chen⁃tao, HUANG Zhi⁃heng, WANG Li⁃juan, and ZHANG Yu⁃hu

Subjects
parkinson disease, blood pressure, cognition disorders, Neurology. Diseases of the nervous system, RC346-429
Abstract

Objective To investigate the effect of blood pressure patterns on memory function in patients with Parkinson's disease (PD). Methods A total of 68 PD patients were collected from the Department of Neurology of Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences) between August 2018 and July 2021. All patients received 24 h ambulatory blood pressure monitoring (ABPM) and were divided into reverse dipping group (n=17), reduced dipping group (n=30), normal group (n=17), and extreme dipping group (n=4) according to the reduction rate of nocturnal systolic blood pressure; nocturnal hypertension group (n=37) and non⁃nocturnal hypertension group (n=31) according to nocturnal blood pressure. Global cognitive function was assessed by Mini⁃Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA). Memory function was evaluated by Logical Memory Test (LMT), Auditory Verbal Learning Test (AVLT) and Digit Span Test (DST). Results Among the 4 groups with different blood pressure pattern, statistical significances were found in duration (χ2=8.599, P=0.035), AVLT imediate 3 (F=3.100, P=0.033) and AVLT delayed (χ2=7.828, P=0.050). Pairwise comparison showed that the duration was longer in the reverse dipping group (Z=4.224, P=0.043) and the normal group (Z=4.821, P=0.028) than in the reduced dipping group; the AVLT imediate 3 of the reverse dipping group was lower than that of the normal group (t=⁃2.028, P=0.048) and the extreme dipping group (t=⁃2.673, P=0.010); the AVLT imediate 3 of the reduced dipping group was lower than that of the extreme dipping group (t=2.554, P=0.013). Compared with non⁃nocturnal hypertension group, the morbidity of hypertension was higher (χ2=6.399, P=0.011) and the duration was longer (Z=⁃2.008, P=0.045) in the nocturnal hypertension group. There was no significant difference in memory function between 2 groups (P＞0.05, for all). Conclusions PD patients with reverse dipping blood pressure pattern are more likely to influence cognitive function, especially in memory function. Continuous blood pressure monitoring should be performed in PD patients.

Published
2022
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48. Sound insulation performance and modal analysis of asymmetrical insulating laminated glass.

Author

Zhu, Xi, Wang, Li Juan, Wang, Xiao Li, Zheng, Yi De, and Luo, Liang

Subjects
*LAMINATED glass, *MODAL analysis, *SOUNDPROOFING, *POLYVINYL butyral, *TRANSMISSION of sound, *NOISE control
Abstract

Windows are commonly the primary way for noise to enter the building environment. Most windows achieve higher sound insulation targets by simply increasing glass thickness or laminate. However, the glass thickness cannot be increased freely due to the window frame's limitation. This research selects eleven kinds of asymmetric insulating laminated glass (glass + polyvinyl butyral + glass + air + glass) within 27 mm, which are the typical thicknesses of window frames. The three pieces of glass have equal thicknesses. The half-space acoustics method investigated the acoustic properties and modal behavior of the glass with finite thickness. The results show that when PVB or three glass increases simultaneously, and the sound insulation of each glass can be improved by 0.9∼3.4 dB or 3.7∼21.8 dB at first resonant frequencies, respectively. The glass with the best sound insulation is 7 mm glass + 0.76 mm polyvinyl butyral + 7 mm glass + 5 mm air + 7 mm glass (7 + 0.76 + 7 + 5A + 7 for short). Its sound transmission loss (TL) is 38.5 dB from 125 to 4000 Hz and 16.8 dB in the first resonant frequency (200 Hz). In addition, its first resonant frequency is the highest among eleven kinds of glass, and the number of natural frequencies in the low frequency range is only 9. These findings can provide a basis for designing asymmetric insulating laminated glass to improve the low frequency noise reduction effect effectively. [ABSTRACT FROM AUTHOR]

Published
2024
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49. Accelerometer-Assessed Habitual Physical Activity and Sedentary Time of Chinese Children and Adolescents with Visual Impairments

Author

Qi, Jing, Xu, Wen Hong, Wang, Li Juan, and Li, Qi Di

Abstract

Introduction: Physical activity is a key component of a healthy lifestyle for youths with visual impairments (i.e., blindness or low vision). This study aims to examine the habitual physical activity and sedentary time of Chinese children and adolescents with visual impairments and to determine whether age, gender, and body composition significantly influence their behavior. Methods: A purposeful sample method was utilized to recruit 137 Chinese youths with visual impairments from a special school for individuals with visual and hearing impairments. A total of 72 students with visual impairments (aged 7-17 years; M age = 13.4) participated in this study. ActiGraph GT3X accelerometers were used to measure the habitual physical activity and sedentary time. Results: Youths with visual impairments in this study spent an average of 287.86 (standard deviation [SD] = 45.67) minutes of light physical activity, 146.79 (SD = 56.95) minutes of moderate physical activity, 18.47 (SD = 15.15) minutes of vigorous physical activity, 165.26 (SD = 69.83) minutes of moderate-to-vigorous-intensity physical activity, and 979.51 (SD = 109.10) minutes of sedentary time per day. Children with visual impairments in elementary school engaged in more habitual physical activity and had less sedentary time than did students in middle and high school. Differences in gender and body composition with regard to time spent being active or sedentary were insignificant. Discussion: Findings demonstrated that Chinese youths with visual impairments in this study had sufficient health-enhancing physical activity and were habitually active. Future research is needed to identify the factors that account for the high habitual physical activity levels of Chinese youths with visual impairments. Implications for practitioners: Transition planning for students with visual impairments to facilitate active habitual physical activity participation when children grow up is warranted.

Published
2020
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