A 1.5Mpixel RGBZ CMOS Image Sensor for Simultaneous Color and Range Image Capture

📋 论文概要

该论文提出了一种1.5M像素的RGBZ CMOS图像传感器，能够同时捕获彩色(RGB)和时间飞行(ToF)距离(Z)图像。通过实现面积仅为20µm²的小尺寸Z像素（远小于传统ToF像素的900-1600µm²），在保持高分辨率的同时实现了深度感知。

💡 主要创新点

• 实现了面积仅20µm²的极小Z像素，相比传统ToF像素面积缩小了45-80倍，显著提升了深度传感器的分辨率。
• 在同一传感器上同时捕获彩色和深度图像，无需分时或额外传感器，实现了紧凑的RGBZ成像系统。

🏷 关键词

📄 原文摘要

implementation and performance of relatively small Z pixels (2.25×9.0µm2). Work to date has focused on the Z pixels since the color pixels have commercial product heritage. Generally, smaller pixels collect fewer signal electrons, as with conventional image sensors. Commercial ToF imagers have typical pixel area in the 900-to-1,600µm2 range but our pixels are 20µm2 in area as drawn. Binning may be considered to boost SNR at the cost of reduced resolution if needed. 2 A 1.5Mpixel RGBZ image sensor that simultaneously captures color (RGB) and time-of-flight (ToF) range (Z) images is presented. While ToF sensors are well documented [1,2], few, if any, monolithic sensors have been reported that capture both range and color. In one sensor [3], a combined pixel structure captures

👥 作者与机构

Wonjoo Kim1, Wang Yibing2, Ilia Ovsiannikov2, SeungHoon Lee1,

Yoondong Park1, Chilhee Chung1, Eric Fossum1,2 Samsung Electronics, Hwasung, Korea Samsung Semiconductor, Pasadena, CA 1 The major risk item explored in this work is the