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We describe a search-free resizing framework that can further improve the rate-distortion tradeoff of recent learned image compression models. Our approach is simple: compose a pair of differentiable downsampling/upsampling layers that…

图像与视频处理 · 电气工程与系统科学 2022-04-27 Li-Heng Chen , Christos G. Bampis , Zhi Li , Lukáš Krasula , Alan C. Bovik

Transformer-based detectors have advanced small-object detection, but they often remain inefficient and vulnerable to background-induced query noise, which motivates deep decoders to refine low-quality queries. We present HELP…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Yangchen Zeng , Zhenyu Yu , Dongming Jiang , Wenbo Zhang , Yifan Hong , Zhanhua Hu , Jiao Luo , Kangning Cui

Transformers have emerged as the backbone of large language models (LLMs). However, generation remains inefficient due to the need to store in memory a cache of key-value representations for past tokens, whose size scales linearly with the…

计算与语言 · 计算机科学 2024-07-24 Piotr Nawrot , Adrian Łańcucki , Marcin Chochowski , David Tarjan , Edoardo M. Ponti

Large language model (LLM) based listwise reranking has emerged as the dominant paradigm for achieving state-of-the-art ranking effectiveness in information retrieval. However, its reliance on feeding full passage texts into the LLM…

信息检索 · 计算机科学 2026-04-27 Xiaojie Ke , Shuai Zhang , Liansheng Sun , Yongjin Wang , Hengjun Jiang , Xiangkun Liu , Cunxin Gu , Jian Xu , Guanjun Jiang

Recent progress in text-video retrieval has been largely driven by contrastive learning. However, existing methods often overlook the effect of the modality gap, which causes anchor representations to undergo in-place optimization (i.e.,…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Jian Xiao , Zijie Song , Jialong Hu , Hao Cheng , Jia Li , Zhenzhen Hu , Richang Hong

The high computational costs of large language models (LLMs) have led to a flurry of research on LLM compression, via methods such as quantization, sparsification, or structured pruning. A new frontier in this area is given by dynamic,…

机器学习 · 计算机科学 2025-07-02 Oliver Sieberling , Denis Kuznedelev , Eldar Kurtic , Dan Alistarh

Dimensionality reduction is a topic of recent interest. In this paper, we present the classification constrained dimensionality reduction (CCDR) algorithm to account for label information. The algorithm can account for multiple classes as…

机器学习 · 统计学 2009-09-29 Raviv Raich , Jose A. Costa , Steven B. Damelin , Alfred O. Hero

Dense retrieval, which encodes queries and documents into a single dense vector, has become the dominant neural retrieval approach due to its simplicity and compatibility with fast approximate nearest neighbor algorithms. As the tasks dense…

信息检索 · 计算机科学 2026-02-06 Julian Killingback , Mahta Rafiee , Madine Manas , Hamed Zamani

We propose a general framework for neural network compression that is motivated by the Minimum Description Length (MDL) principle. For that we first derive an expression for the entropy of a neural network, which measures its complexity…

机器学习 · 计算机科学 2018-12-20 Simon Wiedemann , Arturo Marban , Klaus-Robert Müller , Wojciech Samek

The embedding layers transforming input words into real vectors are the key components of deep neural networks used in natural language processing. However, when the vocabulary is large, the corresponding weight matrices can be enormous,…

计算与语言 · 计算机科学 2020-02-20 Oleksii Hrinchuk , Valentin Khrulkov , Leyla Mirvakhabova , Elena Orlova , Ivan Oseledets

Dense retrieval represents queries and documents as high-dimensional embeddings, but these representations can be redundant at the query level: for a given information need, only a subset of dimensions is consistently helpful for ranking.…

信息检索 · 计算机科学 2026-02-10 Zhanyu Wu , Richong Zhang , Zhijie Nie

We present a contrasting learning approach with data augmentation techniques to learn document representations in an unsupervised manner. Inspired by recent contrastive self-supervised learning algorithms used for image and NLP pretraining,…

Training large language models (LLMs) poses significant challenges regarding computational resources and memory capacity. Although distributed training techniques help mitigate these issues, they still suffer from considerable communication…

Dimensionality reduction methods are unsupervised approaches which learn low-dimensional spaces where some properties of the initial space, typically the notion of "neighborhood", are preserved. Such methods usually require propagation on…

计算机视觉与模式识别 · 计算机科学 2022-06-16 Yannis Kalantidis , Carlos Lassance , Jon Almazan , Diane Larlus

Pruning aims to reduce the number of parameters while maintaining performance close to the original network. This work proposes a novel \emph{self-distillation} based pruning strategy, whereby the representational similarity between the…

机器学习 · 计算机科学 2021-10-01 James O' Neill , Sourav Dutta , Haytham Assem

Deep convolutional neural networks contain tens of millions of parameters, making them impossible to work efficiently on embedded devices. We propose iterative approach of applying low-rank approximation to compress deep convolutional…

计算机视觉与模式识别 · 计算机科学 2019-11-18 Maksym Kholiavchenko

Dimension reduction algorithms are a crucial part of many data science pipelines, including data exploration, feature creation and selection, and denoising. Despite their wide utilization, many non-linear dimension reduction algorithms are…

机器学习 · 统计学 2024-08-06 Ryan Murray , Adam Pickarski

The development of high-quality text embeddings is increasingly drifting toward an exclusionary future, defined by three critical barriers: prohibitive computational costs, a narrow linguistic focus that neglects most of the world's…

计算与语言 · 计算机科学 2026-05-15 Ziyin Zhang , Zihan Liao , Hang Yu , Peng Di , Rui Wang

Common approaches rely on fixed-length embedding vectors from language models as sentence embeddings for downstream tasks such as semantic textual similarity (STS). Such methods are limited in their flexibility due to unknown computational…

计算与语言 · 计算机科学 2024-12-03 Xianming Li , Zongxi Li , Jing Li , Haoran Xie , Qing Li

Feature embeddings are one of the most essential steps when training deep learning based Click-Through Rate prediction models, which map high-dimensional sparse features to dense embedding vectors. Classic human-crafted embedding size…

信息检索 · 计算机科学 2022-08-18 Tesi Xiao , Xia Xiao , Ming Chen , Youlong Chen