15 citations · 51 across the 15 of their papers we have counts for
6 papers · 1 filter
A Double Joint Bayesian Approach for J-Vector Based Text-dependent Speaker Verification
Ziqiang Shi, Mengjiao Wang, Liu Liu +2
J-vector has been proved to be very effective in text-dependent speaker verification with short-duration speech. However, the current state-of-the-art back-end classifiers, e.g. jo…
Variance Reduced methods for Non-convex Composition Optimization
Liu Liu, Ji Liu, Dacheng Tao
This paper explores the non-convex composition optimization in the form including inner and outer finite-sum functions with a large number of component functions. This problem aris…
Duality-free Methods for Stochastic Composition Optimization
Liu Liu, Ji Liu, Dacheng Tao
We consider the composition optimization with two expected-value functions in the form of ,…
Multi-View Task-Driven Recognition in Visual Sensor Networks
Ali Taalimi, Alireza Rahimpour, Liu Liu +1
Nowadays, distributed smart cameras are deployed for a wide set of tasks in several application scenarios, ranging from object recognition, image retrieval, and forensic applicatio…
Addressing Ambiguity in Multi-target Tracking by Hierarchical Strategy
Ali Taalimi, Liu Liu, Hairong Qi
This paper presents a novel hierarchical approach for the simultaneous tracking of multiple targets in a video. We use a network flow approach to link detections in low-level and t…
Statistical inference using SGD
Tianyang Li, Liu Liu, Anastasios Kyrillidis +1
We present a novel method for frequentist statistical inference in -estimation problems, based on stochastic gradient descent (SGD) with a fixed step size: we demonstrate that t…