• Interactive Poisson Blending on GPU
    Interactive Poisson Blending on GPU
  • 404 Not Found In Two Triangles
    404 Not Found In Two Triangles
  • Simplest and Fastest GLSL Edge Detection using Fwidth
    Simplest and Fastest GLSL Edge Detection using Fwidth

Tag: HCI

Wearable Interactions Using Touch without a Touchscreen

Prof. Xing-Dong Yang presented his splendid work on “Wearable Interactions Using Touch without a Touchscreen” today at HCIL, University of Maryland, College Park. His pioneering work on MagicFinger (UIST 2012) inspired our work on HandSight. His recent work on Jetto (CHI 2018) extended the design space of micro-finger gestures; Pyro (UIST 2018) extended the haptic potential on smartwatches & smartphones; WrisText extended…


Likert Scale and Paired T-Test Are Not Good Friends

Non-parametric Tests Unfortunately, it’s the first time that I learnt that Likert scale cannot be used together with t-test. According to my favorite Stat Wiki by Prof. Koji Yatani,  Roughly speaking, there are two cases in which you want to use non-parametric test: Ordinal data: If your data are ordinal (like the results from Likert-scale…


ACM UIST 2015 Summary from AR / VR Perspective

It was a great pleasure to attend the ACM UIST 2015 conference at Charlotte, NC for the first time. First, let me explain my initial motivation to UIST (skip this if you felt boring 🙂 I just keep it as a memory. The first time I learnt about HCI is when I was conducting a student research project, EyeControl, in…