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Gastric cancer has become a global health issue, severely disrupting daily life. Early detection in gastric cancer patients and immediate treatment contribute significantly to the protection of human health. However, routine gastric cancer examinations carry the risk of complications and are time-consuming. We proposed a framework to predict gastric cancer non-invasively and conveniently. A total of 703 tongue images were acquired using a bespoke tongue image capture instrument, then a dataset containing subjects with and without gastric cancer was created. As the images acquired by this instrument contain non-tongue areas, the Deeplabv3+ network was applied for tongue segmentation to reduce the interference in feature extraction. Nine tongue features were extracted, relationships between tongue features and gastric cancer were explored by using statistical methods and deep learning, finally a prediction framework for gastric cancer was designed. The experimental results showed that the proposed framework had a strong detection ability, with an accuracy of 93.6%. The gastric cancer prediction framework created by combining statistical methods and deep learning proposes a scheme for exploring the relationships between gastric cancer and tongue features. This framework contributes to the effective early diagnosis of patients with gastric cancer. Full article

Previous studies on the Nanhaishen Temple 南海神廟 (Temple of the South Sea God) in Guangzhou in the Tang dynasty focus mainly on the South Sea God as the patron of the Maritime Silk Road, without thoroughly discussing the state ritual and the sacrificial right of the Tang government. This paper illuminates five new points concerning the ritual. First, the sacrificial ritual to the South Sea God developed from the suburban rituals in previous dynasties into both forms of suburban and local rituals, which was also categorized as the medium sacrifice among the three major sacrifices in the state ritual system of the Tang dynasty. Second, the first commissioner who was sent by the central government to perform the sacrificial ritual to the South Sea God was Zhang Jiuling, and henceforth the temporary assignment of court officials to the ceremonies became institutionalized. In the tenth year of Tianbao (751), the South Sea God was entitled Guangliwang 廣利王 (King Guangli), and the commissioner sent on this mission was Zhang Jiuzhang, Zhang Jiuling’s third younger brother, rather than his second younger brother Zhang Jiugao as seen in some records. Third, most of the commissioners were dispatched by the central government in the early Tang, and therefore the sacrifice to the South Sea God was related to the state ritual system; but in the late Tang local officials became dominant in the ritual ceremonies, and thus good harvests and social stability in the Lingnan region became the major concern of the sacrifice. Fourth, the legend that the Buddhist Master Xiujiu 休咎禪師 took over the temple and accepted the South Sea God as his disciple reflected the reciprocity between Buddhism and the South Sea God belief. Last but not the least, the sacrificial ceremonies to the South Sea God established in the Tang dynasty and performed by the officials of both the central and local governments had a significant influence on the ritual in the following dynasties. Full article