Search Results for author: Jiaqian Yu

Found 5 papers, 2 papers with code

HIMap: HybrId Representation Learning for End-to-end Vectorized HD Map Construction

no code implementations13 Mar 2024 Yi Zhou, HUI ZHANG, Jiaqian Yu, Yifan Yang, Sangil Jung, Seung-In Park, ByungIn Yoo

Concretely, we introduce a hybrid representation called HIQuery to represent all map elements, and propose a point-element interactor to interactively extract and encode the hybrid information of elements, e. g. point position and element shape, into the HIQuery.

Representation Learning

Yes, IoU loss is submodular - as a function of the mispredictions

no code implementations6 Sep 2018 Maxim Berman, Matthew B. Blaschko, Amal Rannen Triki, Jiaqian Yu

This note is a response to [7] in which it is claimed that [13, Proposition 11] is false.

An Efficient Decomposition Framework for Discriminative Segmentation with Supermodular Losses

no code implementations13 Feb 2017 Jiaqian Yu, Matthew B. Blaschko

These loss functions do not necessarily have the same structure as the one used by the segmentation inference algorithm, and in general, we may have to resort to generic submodular minimization algorithms for loss augmented inference.

Computational Efficiency Image Segmentation +2

A Convex Surrogate Operator for General Non-Modular Loss Functions

1 code implementation12 Apr 2016 Jiaqian Yu, Matthew Blaschko

This convex surro-gate is based on a submodular-supermodular decomposition for which the existence and uniqueness is proven in this paper.

The Lovász Hinge: A Novel Convex Surrogate for Submodular Losses

2 code implementations24 Dec 2015 Jiaqian Yu, Matthew Blaschko

The main tools for constructing convex surrogate loss functions for set prediction are margin rescaling and slack rescaling.

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