Accès ouvert
2025
article
OpenAlex
Tao Yang, Ji Qi, Xinyi Lin, Lishuo Shi et autres
BACKGROUND AND STUDY AIM: Endoscopic intermuscular dissection (EID) is an emerging technique for resecting early rectal cancer with deep submucosal infiltration. This study reports the short-term outcomes of EID for early rectal cancer from a single-center experience in China. PATIENTS AND METHODS: …
cn
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2025
article
OpenAlex
Ji Qi, Yang Yu, Weidong Diao, Bingliang Guan et autres
Abstract To meet the requirements of precision instruments for high-speed and high-resolution actuators, a resonant legged stepping piezoelectric actuator based on a new compliant mechanism is proposed in this study. The longitudinal and bending vibration mode of the actuator are excited at …
cn
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Accès ouvert
2025
conference-paper
OpenAlex
Peng Wang, Ji Qi, Guhui Gao
Fire-resistant steels have been widely used in the field of engineering machinery and architectural structure because of their excellent mechanical properties and satisfactory high temperature strength. With evolving economic demands and infrastructure requirements, progressive enhancement of strength has become imperative for these …
cn
(code pays fourni par la source)
2025
article
OpenAlex
Changjiang Zhou, Qing Tian, Hongqing Wang, Daniel S. Elson et autres
3D endoscopy can improve minimally invasive diagnosis and surgery by enhancing the precision, safety, and efficiency of surgery and enabling computer-assisted interventions. However, traditional approaches relying on feature detection and stereo matching often struggle with the weakly textured features of biological tissues …
cn, gb
(code pays fourni par la source)
2025
article
OpenAlex
Xiaolu Gui, Ling yun Zhu, Ji Qi, Yusong Fan et autres
Two distinct heat treatments are applied to a low‐alloyed fire‐resistance steel to develop either ≈55 vol% polygonal ferrite + ≈45 vol% granular bainite (PF + GB) or full granular bainite (GB) microstructures. Microstructural evolution at 600 °C for 3 and 6 h …
cn, cz
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Accès ouvert
2025
article
OpenAlex
Jiawei Song, Daqian Wang, Changjiang Zhou, Yongtai Chen et autres
Standard-of-care endoscopy is prone to image-quality degradation from specular reflections and surgical smoke as well as misdetection of lesions lacking color features, which diminish precision and pose risks for surgery. Integrating polarization-resolved imaging with endoscopy holds great promise to address these challenges, …
cn, gb
(code pays fourni par la source)
2025
article
OpenAlex
Qianqian Song, Weizheng Jin, Ji Qi, Yizhou Tan et autres
Abstract Multimodal endoscopy imaging includes two or more imaging modes, for example, optical coherence tomography (OCT), photoacoustic imaging (PAI), microscopy endoscopy, fluorescence imaging (FI), etc. The combination of OCT and PAI obtained comprehensive tissue information with high resolution and a certain imaging …
cn
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Accès ouvert
2025
article
OpenAlex
Xingjun Gao, Xiaopeng Chen, Qing Yang, Liqiang Wang et autres
Multispectral imaging enables the visualization of physiological parameters, such as oxygen saturation (SO 2 ) and lipid distribution. Assessing the performance of such imaging techniques necessitates the development of tissue-mimicking phantoms or phantom systems. However, the applicability of existing approaches is constrained …
cn, hk
(code pays fourni par la source)
Accès ouvert
2025
article
OpenAlex
Feng Fu, Ziyang Zhang, Yijie Lou, Shengyao Wang et autres
The rapid advancement of artificial intelligence (AI) has significantly impacted photonics, creating a symbiotic relationship that accelerates the development and applications of both fields. From the perspective of AI aiding photonics, deep-learning methods and various intelligent algorithms have been developed for designing …
cn
(code pays fourni par la source)
2025
conference-paper
OpenAlex
Tao Yang, Ji Qi, Dejun Fan
Text A 62-year-old male presented with a 10-day history of abdominal pain and constipation, subsequently diagnosed with rectal cancer. Notable findings included a mildly elevated carcinoembryonic antigen (CEA) level of 8.75 ng/ml. Imaging via ultrasound and computed tomography (CT) identified rectal lesions, …
cn
(code pays fourni par la source)
2025
article
OpenAlex
Kai Cheng, Long Pan, Min Jiang, Ya Xu et autres
This publisher's note contains a correction to Opt. Lett.50, 209 (2025)10.1364/OL.542480.
cn
(code pays fourni par la source)
2024
article
OpenAlex
Kai Cheng, Long Pan, Min Jiang, Ya Xu et autres
Aberration correction is critical for obtaining sharp images but remains a challenging task. Owing to its ability to record both spatial and angular information of light rays, light field imaging is a powerful method to measure and correct optical aberrations. However, current …
cn
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