Yongfeng Qiu
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2024

Lossy Parallel Visualization of Large-Scale Volume Data with Error-Bounded Image Compositing

Author: Yongfeng Qiu, Yuxiao Li, Xin Liang, Yafan Huang, Guanpeng Li, Sheng Di, Franck Cappello, Hanqi Guo

194 words, 1 min

MSz: An Efficient Parallel Algorithm for Correcting Morse-Smale Segmentations in Error-Bounded Lossy Compressors

IEEE Transactions on Visualization and Computer Graphics (Proc. IEEE VIS 2024), 2025.
Author: Yuxiao Li, Xin Liang, Bei Wang, Yongfeng Qiu, Lin Yan, Hanqi Guo
DOI | arXiv | GitHub

Link to the paper page

212 words, 1 min

2022

Light Base on OpenGL

This is a new attempt as the lighting part of the rendering system in my engine program. I have built several common lights in the rendering system. Because it is implemented with OpenGL3.0 and is based on a rasterized rendering pipeline. Therefore, there are still some defects in global lighting.

1.9k words, 11 min

2021

Ray Tracing

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276 words, 1 min

SoftRender

In 2018, I first came into contact with computer graphics. Until now, I still clearly remember the joy of drawing the first triangle with C++ for the first time. Times flies away.

291 words, 1 min

3D model retrieval based on hand drawn sketch

With the rapid development of CPU and GPU, 3D models are not only becoming more and more complex and rich in details, but also widely used in animation, machinery, medical and other fields. The number of 3D models is also increasing. The classification and retrieval of 3D models has become an important research direction. Although many scholars have done different researches on 3D model retrieval technology and proposed many different model retrieval algorithms, there are still many problems to be solved.

753 words, 4 min

2020

Cloud System base on TCP/IP Protocol

Because of the covid-19 epidemic last semester, many courses in our school were implemented by Dingding. In the process of using this software, I found that many functions of this software can be implemented independently. Therefore, I wrote this project based on Windows system.

449 words, 2 min

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