GCL学术活动:墨尔本大学陈滨助理教授

2025年6月16日(星期一)下午14:30-16:00,GCL实验室学术报告活动在东区数学科学学院新楼308教室举行。墨尔本大学(University of Melbourne)陈滨助理教授受邀作题为“Advancing Display Realism: Data-driven signal reconstruction, innovations in hardware, and perception-based optimization”的报告。本次报告由实验室主任刘利刚教授主持。

陈滨老师从“数据采集—处理—设备呈现—人眼感知”这一完整流程出发,系统地分析了影响显示真实感的关键因素,主要包括对采集数据的处理方式、显示设备本身的性能局限,以及人眼对最终图像的感知机制。围绕这三个关键因素,陈老师分享了他的相关科研成果。

首先是基于数据驱动的图像信号重建。陈老师介绍了利用神经网络实现图像或视频的自由对焦、色调映射以及相机参数调整等功能,提升图像的可控性与表现力。

其次,在显示硬件系统方面,陈老师介绍了两种具备三维显示能力的装置:将光线投射到空间中的稀疏雾气上,实现了三维、可交互的内容呈现的体积雾屏显示器;结合大量平面镜与单一投影装置,产生了具有竞争力的光线密度的光场显示器。

最后,在人眼感知方面,陈老师介绍了其基于视觉感知优化材质外观的研究工作。其中一项是利用神经网络量化人眼对材质外观的主观判断,另一项则致力于缩小屏幕显示与人眼直接观察光泽物体之间的感知差异。

临近结束,陈老师还介绍了最近在基于物理的发丝渲染上的工作。

本次报告详细地介绍了真实感显示的背景与最新进展。报告结束后,大家积极提问,就许多问题的细节进行了深入交流与探讨。

讲者简介

Dr. Bin Chen is a Lecturer in computer graphics and visualization at the School of Computing and Information Systems, University of Melbourne. Prior to this, he was a PostDoc at Max-Planck-Institute for Informatics, and a visiting scholar at University of Cambridge. He received his PhD from City University of Hong Kong.

His research aims to push the boundaries of realism in display systems, covering various aspects of the visual signal lifecycle, including acquisition (computational photography), visualization (computational display), and perception (material appearance perception). His work has been published in top graphics/vision/robotics conferences/journals, including SIGGRAPH/SIGGRAPH Asia, CVPR, ICCV, Eurographics, and ICRA. One of his works was selected as a Best Paper Award Finalist in CVPR 2022.