Portrait

Tai-Hsu Lin

Department of Electrical Engineering (formerly)
National Taiwan University

e-mail: lord.lth@gmail.com
Facebook: Tai-Hsu Shecky Lin

 

Course Projects & Materials:

PJ_Unknown
 HDR Image Acquisition
VFX@ NTU, 2008 Project 1
We implemented a program which automatically recovers a high dynamic range image from photos captured with different exposure times.
Keywords: MTB registration, Paul Devebec's method, Fast bilateral filter, White balance.
PJ_Unknown
 Panorama Stitching
VFX@ NTU, 2008 Project 2
We implemented a program which automatically extracts and stitches panoramas from a photo collection.
Keywords: SIFT, feature matching, RANSAC, Homography, Bundle adjustment, Multi-band blending.
PJ_Unknown
 "Texture-Aware" Image Resizing
VFX@ NTU, 2008 Final Project
We implemented a content-aware image resizing algorithm based on the concept of "Bidirectional Similarity." We have also tried to improve the algorithm with the idea from the texture synthesis field.
Keywords: Bidirectional similarity, Content-aware image resizing, Appearance transform, Dimension reduction, Nearest-neighbor search, Texture synthesis.
PJ_Unknown
 Paper Review Blog
AMMAI@ NTU, 2008
This is a blog where I posted review comments for the reading materials from the class. Most of them are on machine learning, image/video retrieval and pattern recognition.
PJ_Unknown
 Face Morphing
Digital Image Processing@ NTU, 2007 Final Project
We implemented a software which performs the face morphing effect. The program can run automatically or according to user controls.
Keywords: Face detection, Active appearance model, Mesh warping, Laplacian, MRF stitching.
PJ_Unknown
 Interactive 3D Video Game based on Real-time Segmentation
Networking and Multimedia Lab@ NTU, 2007 Final Project
We developed a 3D (2.5D) game that players can interact with the scene. The player image from the camera was segmented by GraphCut and put on a virtual plane. We then detect its collision with the scene objects. The game display was implemented with the OGRE 3D engine.
*Unfortunately, the files were
lost due to an accidental disk formatting.

Work Projects & materials

PJ_Unknown
 Automatic Optical Inspection System
Test Research Inc., Fall 2007 - Summer 2008
We developed a high-speed automated optical inspection system for PCB boards. The program transforms the target images into feature points and searches it in the input subject to translations and rotations. It could run in a few hundrea milliseconds on mega-pixel images with a precision higher than 98% and provide sub-pixel accuracy.