activity
20172021
most citedGraph based Nearest Neighbor Search: Promises and Failures

10 citations · 22 across the 6 of their papers we have counts for

collaborators

13 papers

cs.LG20216 cited

Anomaly Detection on IT Operation Series via Online Matrix Profile

Shi-Ying Lan, Run-Qing Chen, Wan-Lei Zhao

Anomaly detection on time series is a fundamental task in monitoring the Key Performance Indicators (KPIs) of IT systems. Many of the existing approaches in the literature show goo…

cs.CV2021

Towards Accurate Localization by Instance Search

Yi-Geng Hong, Hui-Chu Xiao, Wan-Lei Zhao

Visual object localization is the key step in a series of object detection tasks. In the literature, high localization accuracy is achieved with the mainstream strongly supervised…

cs.DC2021

Large-Scale Approximate k-NN Graph Construction on GPU

Hui Wang, Wan-Lei Zhao, Xiangxiang Zeng

k-nearest neighbor graph is a key data structure in many disciplines such as manifold learning, machine learning and information retrieval, etc. NN-Descent was proposed as an effec…

cs.LG2020

k-sums: another side of k-means

Wan-Lei Zhao, Run-Qing Chen, Hui Ye +1

In this paper, the decades-old clustering method k-means is revisited. The original distortion minimization model of k-means is addressed by a pure stochastic minimization procedur…

cs.CV2020

Dynamic Sampling for Deep Metric Learning

Chang-Hui Liang, Wan-Lei Zhao, Run-Qing Chen

Deep metric learning maps visually similar images onto nearby locations and visually dissimilar images apart from each other in an embedding manifold. The learning process is mainl…

cs.CV2020

Deeply Activated Salient Region for Instance Search

Hui-Chu Xiao, Wan-Lei Zhao, Jie Lin +1

The performance of instance search depends heavily on the ability to locate and describe a wide variety of object instances in a video/image collection. Due to the lack of proper m…