ETU-Net:高效的变压器和卷积式U式连接的注意力细分网络,应用于表观的内镜图像
Junyang Chen1, Qiurui Liu2, Zedong Wei1
1College of Information Engineering, Sichuan Agricultural University, Ya'an, China.
Frontiers in medicine
|August 28, 2023
概括
这项研究介绍了ETU-Net,这是一种新的深度学习模型,用于治疗表 (鼻血) 中的鼻. 该模型准确地划分鼻出血区域,改善患者的治疗结果并减少并发症.
科学领域:
- 医疗成像医学成像
- 人工智能的人工智能
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
背景情况:
- 鼻出血是常见的,当保守的治疗方法失败时,通常需要鼻.
- 目前的鼻腔烧结技术可能会因操作员的经验而导致并发症,这凸显了需要改进方法的需要.
- 医学中的深度学习应用正在不断扩大,但其在表观症管理中的应用仍然未被探索.
研究的目的:
- 开发和评估一个深度学习模型,用于精确指导鼻腔在表治疗.
- 通过利用人工智能来提高准确性和安全性来解决传统烧结方法的局限性.
- 创建一个强大的数据集,用于培训和验证AI模型在epistaxis管理.
主要方法:
- 一个专门的鼻血数据集由临床专家策划和验证.
- ETU-Net是一个集注意力卷积和变压器的深度学习模型,是为了图像细分而开发的.
- 该模型的性能在鼻血数据集和其他一般数据集上进行了评估.
主要成果:
- 欧洲工会网络实现了高分段精度,在欧盟的交叉点为94.57%,F1-Score为97.15%.
- 该模型在测试数据集上显示出与现有方法相比更高的性能.
- 该研究证实了AI在医疗治疗指导中的可行性和领域适应性.
结论:
- 开发的ETU-Net模型在人工智能辅助的鼻腔术中提供了显著的进步.
- 这种人工智能方法有可能减少与腔有关的并发症,并提高治疗效率.
- 这些发现为医疗应用人工智能的未来发展提供了宝贵的参考.
相关概念视频
01:28Equivalent Circuits for Practical Transformers
The practical equivalent circuits of single-phase two-winding transformers exhibit significant deviations from their idealized versions due to the inherent properties of winding resistance and finite core permeability. These properties result in real and reactive power losses, affecting the transformer's performance. Understanding these deviations is crucial for designing more efficient transformers.
In a practical transformer, each winding exhibits resistance and leakage reactance. The winding...
In a practical transformer, each winding exhibits resistance and leakage reactance. The winding...
01:27Transformers in Distribution System
Transformers in distribution systems can be broadly categorized into distribution substation transformers and other distribution transformers. They are crucial for stepping down high transmission voltages to levels suitable for distribution and end-user applications.
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
01:19Three-Winding Transformers
Three identical single-phase transformers can be configured to form a three-phase transformer connection, which involves high-voltage and low-voltage windings. The high-voltage windings are denoted by capital letters A-B-C, while the low-voltage windings are labeled with lowercase letters a-b-c, representing their respective phases. This notation helps distinguish between the high and low voltage sides of the transformer.
In the per-unit equivalent circuit of a grounded Y-Y three-phase...
In the per-unit equivalent circuit of a grounded Y-Y three-phase...
01:25Transformers with Off-Nominal Turns Ratios
In scenarios involving parallel transformers with disparate ratings, developing per-unit models requires accommodating off-nominal turns ratios. This situation arises when the selected base voltages are not proportional to the transformer’s voltage ratings. Consider a transformer where the rated voltages are related by the term a. If the chosen voltage bases satisfy a relationship involving term b, term c is defined as the ratio of these bases. This ratio is then substituted into the rated...
01:24Bus Impedance Matrix
Calculating subtransient fault currents for three-phase faults in an N-bus power system involves using the positive-sequence network. When a three-phase short circuit occurs at a specific bus, the analysis uses the superposition method to evaluate two separate circuits.
In the first circuit, all machine voltage sources are short-circuited, leaving only the prefault voltage source at the fault location. The positive-sequence bus impedance matrix can be determined by solving the nodal equations,...
In the first circuit, all machine voltage sources are short-circuited, leaving only the prefault voltage source at the fault location. The positive-sequence bus impedance matrix can be determined by solving the nodal equations,...
01:23Instrument Transformers
Instrument transformers, comprising voltage transformers (VTs) and current transformers (CTs), play crucial roles in power substations by providing isolated replicas of current or voltage for measurement and protection purposes. Voltage transformers reduce the primary voltage to levels suitable for relay operation and measurement, while current transformers scale down the primary current. The primary winding of a current transformer often consists of a single turn, achieved by threading the...