3 papers
cs.CV2024
Graph Unfolding and Sampling for Transitory Video Keyframe Selection via Gershgorin Disc Alignment
Sadid Sahami, Gene Cheung, Chia-Wen Lin
User-generated videos (UGVs) uploaded from mobile phones to social media sites like YouTube and TikTok are short and non-repetitive. We summarize a transitory UGV into several keyf…
cs.CV2021
Fast Graph Sampling for Short Video Summarization using Gershgorin Disc Alignment
Sadid Sahami, Gene Cheung, Chia-Wen Lin
We study the problem of efficiently summarizing a short video into several keyframes, leveraging recent progress in fast graph sampling. Specifically, we first construct a similari…
eess.SP2019
Translation Operator in Graph Signal Processing: A Generalized Approach
Amin Jalili, Sadid Sahami, Chong-Yung Chi
The notion of translation (shift) is straightforward in classical signal processing, however, it is challenging on an irregular graph structure. In this work, we present an approac…