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We show that learning affinity in upsampling provides an effective and efficient approach to exploit pairwise interactions in deep networks. Second-order features are commonly used in dense prediction to build adjacent relations with a…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Yutong Dai , Hao Lu , Chunhua Shen

Affinity graph-based segmentation methods have become a major trend in computer vision. The performance of these methods relies on the constructed affinity graph, with particular emphasis on the neighborhood topology and pairwise affinities…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Yang Zhang , Moyun Liu , Huiming Zhang , Guodong Sun , Jingwu He

Existing computationally efficient methods for penalized likelihood GAM fitting employ iterative smoothness selection on working linear models (or working mixed models). Such schemes fail to converge for a non-negligible proportion of…

统计方法学 · 统计学 2015-11-13 Simon N. Wood

The widely adopted sequential variant of Non Maximum Suppression (or Greedy-NMS) is a crucial module for object-detection pipelines. Unfortunately, for the region proposal stage of two/multi-stage detectors, NMS is turning out to be a…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Rohun Tripathi , Vasu Singla , Mahyar Najibi , Bharat Singh , Abhishek Sharma , Larry Davis

Deep neural networks have gained great success due to the increasing amounts of data, and diverse effective neural network designs. However, it also brings a heavy computing burden as the amount of training data is proportional to the…

机器学习 · 计算机科学 2023-10-19 Peng Yao , Chao Liao , Jiyuan Jia , Jianchao Tan , Bin Chen , Chengru Song , Di Zhang

We consider the problem of signal estimation in generalized linear models defined via rotationally invariant design matrices. Since these matrices can have an arbitrary spectral distribution, this model is well suited for capturing complex…

机器学习 · 统计学 2022-06-10 Ramji Venkataramanan , Kevin Kögler , Marco Mondelli

Aggregating information from features across different layers is an essential operation for dense prediction models. Despite its limited expressiveness, feature concatenation dominates the choice of aggregation operations. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-01-20 Yung-Hsu Yang , Thomas E. Huang , Min Sun , Samuel Rota Bulò , Peter Kontschieder , Fisher Yu

Parameter-efficient fine-tuning (PEFT) methods, such as LoRA, reduce adaptation cost by injecting low-rank updates into pretrained weights. However, LoRA's down-projection is randomly initialized and data-agnostic, discarding potentially…

机器学习 · 计算机科学 2026-01-07 Yuan Yin , Shashanka Venkataramanan , Tuan-Hung Vu , Andrei Bursuc , Matthieu Cord

Pruning is a promising approach to compress deep learning models in order to deploy them on resource-constrained edge devices. However, many existing pruning solutions are based on unstructured pruning, which yields models that cannot…

机器学习 · 计算机科学 2023-03-16 Kaiqi Zhao , Animesh Jain , Ming Zhao

In this paper, we explore a novel image matting task aimed at achieving efficient inference under various computational cost constraints, specifically FLOP limitations, using a single matting network. Existing matting methods which have not…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Qinglin Liu , Zonglin Li , Xiaoqian Lv , Xin Sun , Ru Li , Shengping Zhang

This article presents the use of Answer Set Programming (ASP) to mine sequential patterns. ASP is a high-level declarative logic programming paradigm for high level encoding combinatorial and optimization problem solving as well as…

人工智能 · 计算机科学 2017-11-15 Thomas Guyet , Yves Moinard , René Quiniou , Torsten Schaub

The demand for lightweight models in image classification tasks under resource-constrained environments necessitates a balance between computational efficiency and robust feature representation. Traditional attention mechanisms, despite…

机器学习 · 计算机科学 2025-04-21 Zhenkai Qin , Feng Zhu , Huan Zeng , Xunyi Nong

Compressed sensing (CS) is a challenging problem in image processing due to reconstructing an almost complete image from a limited measurement. To achieve fast and accurate CS reconstruction, we synthesize the advantages of two well-known…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Nanyu Li , Charles C. Zhou

In this paper we provide rigorous proof for the convergence of an iterative voting-based image segmentation algorithm called Active Masks. Active Masks (AM) was proposed to solve the challenging task of delineating punctate patterns of…

泛函分析 · 数学 2011-02-22 Doru C. Balcan , Gowri Srinivasa , Matthew Fickus , Jelena Kovacevic

Acoustic-resolution photoacoustic microscopy (AR-PAM) is a promising tool for microvascular imaging. In the focal region, resolution of AR-PAM is determined by the ultrasound transducer and ultimately limited by acoustic diffraction. In the…

图像与视频处理 · 电气工程与系统科学 2021-11-22 Fei Feng , Siqi Liang , Sung-Liang Chen

In this work, we revisit the marking decisions made in the standard adaptive finite element method (AFEM). Experience shows that a na\"{i}ve marking policy leads to inefficient use of computational resources for adaptive mesh refinement…

数值分析 · 数学 2023-12-27 Andrew Gillette , Brendan Keith , Socratis Petrides

This paper analyzes the correlation matrix between the a priori error and measurement noise vectors for affine projection algorithms (APA). This correlation stems from the dependence between the filter tap estimates and the noise samples,…

信号处理 · 电气工程与系统科学 2021-09-15 Andres Altieri

Segment Anything (SAM) has recently pushed the boundaries of segmentation by demonstrating zero-shot generalization and flexible prompting after training on over one billion masks. Despite this, its mask prediction accuracy often falls…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zezhong Fan , Xiaohan Li , Topojoy Biswas , Kaushiki Nag , Kannan Achan

For certain sensing matrices, the Approximate Message Passing (AMP) algorithm efficiently reconstructs undersampled signals. However, in Magnetic Resonance Imaging (MRI), where Fourier coefficients of a natural image are sampled with…

信号处理 · 电气工程与系统科学 2020-09-08 Charles Millard , Aaron T Hess , Boris Mailhé , Jared Tanner

We propose a neural network model to estimate the current frame from two reference frames, using affine transformation and adaptive spatially-varying filters. The estimated affine transformation allows for using shorter filters compared to…

图像与视频处理 · 电气工程与系统科学 2021-02-18 Hyomin Choi , Ivan V. Bajić