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114 results on '"Wu, Jiaze"'

14. High-Energy Injection-Seeded Single-Frequency Er:YAG Laser at 1645 nm Pumped by a 1532 nm Fiber Laser.

Author

Wu, Jiaze, Ju, Youlun, Fan, Jiawei, Zhao, Yiming, Yang, Kun, Geng, Lijie, Cai, Yuanxue, Song, Lei, Zhuang, Yaming, Wu, Shuyun, and Duan, Xiaoming

Subjects
FIBER lasers, QUALITY factor, LASERS
Abstract

A single-frequency, Q-switched Er:YAG laser, pumped by a 1532 nm fiber laser, has been demonstrated. At the pulse repetition frequency (PRF) of 200 Hz, the maximum single-frequency laser of 5.5 mJ is attained, and, correspondingly, the pulse width is 212 ns. Using the heterodyne technique, the single-frequency laser spectrum's full width at half maximum is determined to be 2.73 MHz. The experimental results show that the single-frequency laser has excellent beam quality factors (M2) of 1.18 and 1.21. [ABSTRACT FROM AUTHOR]

Published
2024
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15. A Novel Tongue Coating Segmentation Method Based on Improved TransUNet.

Author

Wu, Jiaze, Li, Zijian, Cai, Yiheng, Liang, Hao, Zhou, Long, Chen, Ming, and Guan, Jing

Subjects
*ARTIFICIAL neural networks, *TONGUE, *SURFACE coatings, *TRANSFORMER models
Abstract

Background: As an important part of the tongue, the tongue coating is closely associated with different disorders and has major diagnostic benefits. This study aims to construct a neural network model that can perform complex tongue coating segmentation. This addresses the issue of tongue coating segmentation in intelligent tongue diagnosis automation. Method: This work proposes an improved TransUNet to segment the tongue coating. We introduced a transformer as a self-attention mechanism to capture the semantic information in the high-level features of the encoder. At the same time, the subtraction feature pyramid (SFP) and visual regional enhancer (VRE) were constructed to minimize the redundant information transmitted by skip connections and improve the spatial detail information in the low-level features of the encoder. Results: Comparative and ablation experimental findings indicate that our model has an accuracy of 96.36%, a precision of 96.26%, a dice of 96.76%, a recall of 97.43%, and an IoU of 93.81%. Unlike the reference model, our model achieves the best segmentation effect. Conclusion: The improved TransUNet proposed here can achieve precise segmentation of complex tongue images. This provides an effective technique for the automatic extraction in images of the tongue coating, contributing to the automation and accuracy of tongue diagnosis. [ABSTRACT FROM AUTHOR]

Published
2024
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17. Continuous-Wave Lasing Characteristics of Ho :GdVO4 Crystal Under Diode-Pumping Architecture.

Author

Wu, Jiaze, Duan, Xiaoming, Ding, Yu, Zhang, Wensheng, Yuan, Jihe, and Shen, Zuochun

Subjects
CRYSTALS, QUALITY factor
Abstract

In this paper, we investigate the continuous-wave lasing characteristics of Ho :GdVO4 crystal under diode-pumping conditions. Using a 1.0 at.%-doped crystal, we obtain the maximum output power equal to 9.0 W at 2047.9 nm, with an absorbed pump power of 28.2 W. The slope efficiency and optical efficiency measured with respect to the absorbed pump power are 50.7% and 31.9%, respectively. In addition, we estimate the beam quality factor at the maximum output level to be about 1.8. [ABSTRACT FROM AUTHOR]

Published
2024
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20. Carbon photochemistry: towards a solar reverse boudouard refinery.

Author

Viasus Pérez, Camilo J., Restrepo-Florez, Juan Manuel, Ye, Jessica, Nguyen, Nhat Truong, Tountas, Athanasios A., Song, Rui, Mao, Chengliang, Wang, Andrew, Gouda, Abdelaziz, Corapi, Samantha, Ji, Shufang, MacLeod, Hamish, Wu, Jiaze, Aspuru-Guzik, Alán, Maravelias, Christos T., and Ozin, Geoffrey A.

Published
2023
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30. Automatic and Real-Time Identification of Breathing Pattern from Ultrasound Liver Images

Author

Wu, Jiaze, Chi, Yanling, Li, Cheng, Tan, Bien Soo, Ooi, London Lucien, Ramamurthy, Satheesh, Liu, Jimin, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Liao, Hongen, editor, Linte, Cristian A., editor, Masamune, Ken, editor, Peters, Terry M., editor, and Zheng, Guoyan, editor

Published
2013
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41. Optical funnel for living cells trap

Author

Liu, Zhihai, primary, Wang, Lu, additional, Zhang, Yu, additional, Liu, Chao, additional, Wu, Jiaze, additional, Zhang, Yaxun, additional, Yang, Xinghua, additional, Zhang, Jianzhong, additional, Yang, Jun, additional, and Yuan, Libo, additional

Published
2019
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42. Crystal structure of catena-poly[bromido-(μ2-pyrazine-2-carboxylato-κ3N:N′,O)copper(II)], C10H6N4Cu2O4Br

Author

Liu Hao, Wei Xiaohu, Wu Jiaze, Miao Zongcheng, Li Xin, Zhang Cuihong, He Zhenzhen, and Yang Liguo

Subjects
Crystallography, Pyrazine, 010405 organic chemistry, chemistry.chemical_element, Crystal structure, 010402 general chemistry, Condensed Matter Physics, 01 natural sciences, Copper, 0104 chemical sciences, Inorganic Chemistry, chemistry.chemical_compound, chemistry, QD901-999, General Materials Science
Abstract

C10H6N4Cu2O4Br, orthorhombic, Pnma (no. 62), a = 6.7680(10) Å, b = 23.693(2) Å, c = 7.7301(11) Å, V = 1239.5(3) Å3, Z = 4, R gt(F) = 0.0473, wR ref(F 2) = 0.1293, T = 298(2) K.

Published
2018

43. Robotic-Assisted Respiration-Corrected 4D Ultrasound Imaging for Image-Guided Interventions

Author

Yuan Xinsheng, Qian Yan, Liu Jimin, Jing Ye, and Wu Jiaze

Subjects
2d images, medicine.diagnostic_test, Computer science, Robotic assisted, business.industry, Breathing cycle, 030218 nuclear medicine & medical imaging, 03 medical and health sciences, 0302 clinical medicine, Tilt (optics), medicine, Image guided interventions, Computer vision, 3D ultrasound, Artificial intelligence, business, Robotic arm, 030217 neurology & neurosurgery, 4d ultrasound
Abstract

Widely used freehand 3D ultrasound systems do not provide corrections to effectively track breathing-induced moving organs. In this paper, a novel 4D ultrasound imaging method is proposed to create a sequence of breathing-corrected 3D ultrasound images from multiple 2D US image sequences, which is acquired by using a robotic arm to hold a 2D US probe and tilt it to regularly scan the liver. An image-based method is introduced to label the respiratory phases of the acquired images. Based on the extracted phases, the acquired 2D images are then resampled to reconstruct a sequence of respiration-corrected 3D ultrasound images. The reconstructed 3D images can capture the moving 3D liver during half a breathing cycle. Initial experiments demonstrate that the proposed method is feasible to visualize the 3D liver motion.

Published
2017

44. Crystal structure of tetrakis(n-butyl)-(μ2-1,2-bis(2-oxidobenzoyl)hydrazine-1,2-diido-κ6 N,O,O′:N′,O′′,O′′′)ditin(IV), C30H44N2O4Sn2

Author

Wu Jiaze, Zhang Cuihong, He Zhenzhen, Wei Xiaohu, Liu Hao, Yang Liguo, Li Xin, and Miao Zongcheng

Subjects
Inorganic Chemistry, chemistry.chemical_compound, chemistry, Hydrazine, General Materials Science, Crystal structure, Condensed Matter Physics, Medicinal chemistry
Abstract

C30H44N2O4Sn2, monoclinic, P21/c, a = 8.8810(8) Å, b = 16.8999(13) Å, c = 10.5705(10) Å, β = 92.0460(10)°, V = 1585.5(2) Å3, Z = 2, R gt(F) = 0.0660, wR ref(F 2) = 0.1528, T = 298(2) K.

Published
2018

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