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In this paper, we propose a learned scalable/progressive image compression scheme based on deep neural networks (DNN), named Bidirectional Context Disentanglement Network (BCD-Net). For learning hierarchical representations, we first adopt…

Multimedia · Computer Science 2019-04-23 Zhizheng Zhang , Zhibo Chen , Jianxin Lin , Weiping Li

Deep neural networks (DNNs) have become the de facto learning mechanism in different domains. Their tendency to perform unreliably on out-of-distribution (OOD) inputs hinders their adoption in critical domains. Several approaches have been…

Machine Learning · Computer Science 2020-06-26 Vahdat Abdelzad , Krzysztof Czarnecki , Rick Salay

Training neural networks is an optimization problem, and finding a decent set of parameters through gradient descent can be a difficult task. A host of techniques has been developed to aid this process before and during the training phase.…

Machine Learning · Computer Science 2020-08-19 Divya Gaur , Joachim Folz , Andreas Dengel

Block Floating Point (BFP) can efficiently support quantization for Deep Neural Network (DNN) training by providing a wide dynamic range via a shared exponent across a group of values. In this paper, we propose a Fast First, Accurate Second…

Machine Learning · Computer Science 2021-11-01 Sai Qian Zhang , Bradley McDanel , H. T. Kung

In this paper, we provide a unified iteration complexity analysis for a family of general block coordinate descent (BCD) methods, covering popular methods such as the block coordinate gradient descent (BCGD) and the block coordinate…

Optimization and Control · Mathematics 2015-04-29 Mingyi Hong , Xiangfeng Wang , Meisam Razaviyayn , Zhi-Quan Luo

In this paper we consider sparse approximation problems, that is, general $l_0$ minimization problems with the $l_0$-"norm" of a vector being a part of constraints or objective function. In particular, we first study the first-order…

Machine Learning · Computer Science 2012-05-31 Zhaosong Lu , Yong Zhang

In "extreme" computational imaging that collects extremely undersampled or noisy measurements, obtaining an accurate image within a reasonable computing time is challenging. Incorporating image mapping convolutional neural networks (CNN)…

Machine Learning · Statistics 2023-08-31 Il Yong Chun , Jeffrey A. Fessler

We introduce a model-based image reconstruction framework with a convolution neural network (CNN) based regularization prior. The proposed formulation provides a systematic approach for deriving deep architectures for inverse problems with…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Hemant Kumar Aggarwal , Merry P. Mani , Mathews Jacob

Recurrent Neural Networks (RNNs) are powerful sequence modeling tools. However, when dealing with high dimensional inputs, the training of RNNs becomes computational expensive due to the large number of model parameters. This hinders RNNs…

Machine Learning · Computer Science 2018-05-23 Jinmian Ye , Linnan Wang , Guangxi Li , Di Chen , Shandian Zhe , Xinqi Chu , Zenglin Xu

This paper focuses on optimal transmit power allocation to maximize the overall system throughput in a vehicle-to-everything (V2X) communication system. We propose two methods for solving the power allocation problem namely the weighted…

Signal Processing · Electrical Eng. & Systems 2019-06-26 Jin Gao , Muhammad R. A. Khandaker , Faisal Tariq , Kai-Kit Wong , Risala T. Khan

Block coordinate descent is a powerful algorithmic template suitable for big data optimization. This template admits a lot of variants including block gradient descent (BGD), which performs gradient descent on a selected block of variables,…

Optimization and Control · Mathematics 2024-05-28 Liangzu Peng , Wotao Yin

In this paper we explore the use of block coordinate descent (BCD) to optimize the centroidal momentum dynamics for dynamically consistent multi-contact behaviors. The centroidal dynamics have recently received a large amount of attention…

Robotics · Computer Science 2021-08-05 Paarth Shah , Avadesh Meduri , Wolfgang Merkt , Majid Khadiv , Ioannis Havoutis , Ludovic Righetti

Deep neural networks (DNNs) are currently predominantly trained using first-order methods. Some of these methods (e.g., Adam, AdaGrad, and RMSprop, and their variants) incorporate a small amount of curvature information by using a diagonal…

Machine Learning · Computer Science 2022-10-28 Achraf Bahamou , Donald Goldfarb , Yi Ren

Existing 3D occupancy networks demand significant hardware resources, hindering the deployment of edge devices. Binarized Neural Networks (BNN) offer substantially reduced computational and memory requirements. However, their performance…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Zongkai Zhang , Zidong Xu , Wenming Yang , Qingmin Liao , Jing-Hao Xue

End-to-end backpropagation has a few shortcomings: it requires loading the entire model during training, which can be impossible in constrained settings, and suffers from three locking problems (forward locking, update locking and backward…

Machine Learning · Computer Science 2023-06-07 Skander Karkar , Ibrahim Ayed , Emmanuel de Bézenac , Patrick Gallinari

Mini-batch training is a cornerstone of modern deep learning, offering computational efficiency and scalability for training complex architectures. However, existing deep subspace clustering (DSC) methods, which typically combine an…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yuxuan Jiang , Chenwei Yu , Zhi Lin , Xiaolan Liu

We introduce a collaborative learning framework allowing multiple parties having different sets of attributes about the same user to jointly build models without exposing their raw data or model parameters. In particular, we propose a…

Machine Learning · Computer Science 2020-08-03 Yang Liu , Yan Kang , Xinwei Zhang , Liping Li , Yong Cheng , Tianjian Chen , Mingyi Hong , Qiang Yang

Training Artificial Neural Networks poses a challenging and critical problem in machine learning. Despite the effectiveness of gradient-based learning methods, such as Stochastic Gradient Descent (SGD), in training neural networks, they do…

It is challenging to bridge the performance gap between Binary CNN (BCNN) and Floating point CNN (FCNN). We observe that, this performance gap leads to substantial residuals between intermediate feature maps of BCNN and FCNN. To minimize…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Jianming Ye , Shiliang Zhang , Jingdong Wang

Existing part-aware person re-identification methods typically employ two separate steps: namely, body part detection and part-level feature extraction. However, part detection introduces an additional computational cost and is inherently…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Kan Wang , Pengfei Wang , Changxing Ding , Dacheng Tao
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