积极像素型CMOS图像传感器设计技术和架构的进步,用于广泛的动态范围
1Department of Electrical and Computer Engineering and Program in Semiconductor Convergence, Inha University, Incheon 22212, Republic of Korea.
Sensors (Basel, Switzerland)
|January 28, 2026
概括
本研究探讨了用于广动态范围 (WDR) 成像的高级CMOS图像传感器 (CIS) 设计. 它详细介绍了诸如双转换增益和新型架构等技术,以增强用于各种工业应用的光强度捕获.
科学领域:
- 电气工程 电气工程
- 计算机视觉 计算机视觉
- 材料科学 材料科学 材料科学
背景情况:
- 在机器视觉,医疗成像,汽车系统和物联网设备中,CMOS图像传感器 (CIS) 是至关重要的.
- 动态范围 (DR) 是CIS的一个关键指标,它决定了它们在广泛的光强度范围内捕捉图像的能力.
- 对宽动态范围 (WDR) 功能的不断增长的需求推动了CIS技术的创新,以在各种照明条件下提高性能.
研究的目的:
- 介绍积极像素类型的CIS设计技术和架构,以实现宽动态范围 (WDR).
- 为改善图像传感器捕获光强度的方法提供全面的概述.
- 探索未来的研究方向,包括神经形态阵列架构.
主要方法:
- 审查基本的活跃像素传感器概念,读取机制和DR原则.
- 传统技术的分析:多次暴露和双重转换增益 (DCG).
- 研究先进的架构:侧面溢出集成电容器 (LOFIC),双光二极管 (PD) 和线性-对数 (Lin-Log) 响应.
主要成果:
- 通过优化曝光和整合的权衡来增强DR的技术演示.
- 实现非线性传感器响应 (对数和Lin-Log) 以提高性能.
- 探索在低光环境中提高灵敏度的方法.
结论:
- 所介绍的技术和架构显著提升了CIS中的WDR功能.
- 这项研究为未来的图像传感器技术创新提供了基础.
- 这些发现适用于尖端的进步和研究,包括神经形态计算.
相关概念视频
Sample Preparation for Analysis: Advanced Techniques
1.4K
Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
1.4K
Range
14.1K
The range is one of the measures of variation. It can be defined as the difference between a dataset's highest and lowest values. For example, in the study of seven 16-ounce soda cans, the filled volume of soda was measured, thus producing the following amount (in ounces) of soda:
15.9; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5
Measurements of the amount of soda in a 16-ounce can vary since different subjects record these measurements or since the exact amount - 16 ounces of liquid, was not...
15.9; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5
Measurements of the amount of soda in a 16-ounce can vary since different subjects record these measurements or since the exact amount - 16 ounces of liquid, was not...
14.1K
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques
530
Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway...
530
Structure-Activity Relationships and Drug Design
1.8K
Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
1.8K
Factorial Design
13.8K
Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...
13.8K
Group Design
10.4K
The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
10.4K


