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Convolutional Neural Networks (ConvNets) are commonly developed at a fixed resource budget, and then scaled up for better accuracy if more resources are available. In this paper, we systematically study model scaling and identify that…

Machine Learning · Computer Science 2020-09-14 Mingxing Tan , Quoc V. Le

Object recognition is a fundamental problem in many video processing tasks, accurately locating seen objects at low computation cost paves the way for on-device video recognition. We propose PatchNet, an efficient convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Huizi Mao , Sibo Zhu , Song Han , William J. Dally

Two optical flow estimation problems are addressed: i) occlusion estimation and handling, and ii) estimation from image sequences longer than two frames. The proposed ContinualFlow method estimates occlusions before flow, avoiding the use…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 Michal Neoral , Jan Šochman , Jiří Matas

Although current deep learning methods have achieved impressive results for semantic segmentation, they incur high computational costs and have a huge number of parameters. For real-time applications, inference speed and memory usage are…

Computer Vision and Pattern Recognition · Computer Science 2019-09-19 Mengyu Liu , Hujun Yin

State-of-the-art scene flow algorithms pursue the conflicting targets of accuracy, run time, and robustness. With the successful concept of pixel-wise matching and sparse-to-dense interpolation, we push the limits of scene flow estimation.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-30 René Schuster , Oliver Wasenmüller , Christian Unger , Georg Kuschk , Didier Stricker

Deep convolutional neural networks (CNN) based solutions are the current state- of-the-art for computer vision tasks. Due to the large size of these models, they are typically run on clusters of CPUs or GPUs. However, power requirements and…

Hardware Architecture · Computer Science 2017-12-19 Farhan Shafiq , Takato Yamada , Antonio T. Vilchez , Sakyasingha Dasgupta

The automatic segmentation of blood vessels in fundus images can help analyze the condition of retinal vasculature, which is crucial for identifying various systemic diseases like hypertension, diabetes, etc. Despite the success of Deep…

Image and Video Processing · Electrical Eng. & Systems 2023-04-26 Ashish Kumar , R. K. Agrawal , Leve Joseph

To date, top-performing optical flow estimation methods only take pairs of consecutive frames into account. While elegant and appealing, the idea of using more than two frames has not yet produced state-of-the-art results. We present a…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Zhile Ren , Orazio Gallo , Deqing Sun , Ming-Hsuan Yang , Erik B. Sudderth , Jan Kautz

3D scene flow estimation from point clouds is a low-level 3D motion perception task in computer vision. Flow embedding is a commonly used technique in scene flow estimation, and it encodes the point motion between two consecutive frames.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Guangming Wang , Yunzhe Hu , Zhe Liu , Yiyang Zhou , Masayoshi Tomizuka , Wei Zhan , Hesheng Wang

Optical flow estimation is crucial to a variety of vision tasks. Despite substantial recent advancements, achieving real-time on-device optical flow estimation remains a complex challenge. First, an optical flow model must be sufficiently…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Jamie Menjay Lin , Jisoo Jeong , Hong Cai , Risheek Garrepalli , Kai Wang , Fatih Porikli

The convolutional neural network model for optical flow estimation usually outputs a low-resolution(LR) optical flow field. To obtain the corresponding full image resolution,interpolation and variational approach are the most common…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Liping Zhang , Zongqing Lu , Qingmin Liao

Deep convolutional neural networks, assisted by architectural design strategies, make extensive use of data augmentation techniques and layers with a high number of feature maps to embed object transformations. That is highly inefficient…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Vittorio Mazzia , Francesco Salvetti , Marcello Chiaberge

The large-scale visual pretraining has significantly improve the performance of large vision models. However, we observe the \emph{low FLOPs pitfall} that the existing low-FLOPs models cannot benefit from large-scale pretraining. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Kai Han , Yunhe Wang , Jianyuan Guo , Enhua Wu

Depth completion from sparse LiDAR measurements and corresponding RGB images is a prerequisite for accurate 3D perception in robotic systems. Existing methods achieve high accuracy on standard benchmarks but rely on heavy backbone…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Johny J. Lopez , Md Meftahul Ferdaus , Mahdi Abdelguerfi , Anton Netchaev , Steven Sloan , Ken Pathak , Kendall N. Niles

Despite rapid improvements in the performance of central processing unit (CPU), the calculation cost of simulating chemically reacting flow using CFD remains infeasible in many cases. The application of the convolutional neural networks…

Machine Learning · Computer Science 2023-07-26 Joongoo Jeon , Juhyeong Lee , Sung Joong Kim

In this paper we introduce ShiftCNN, a generalized low-precision architecture for inference of multiplierless convolutional neural networks (CNNs). ShiftCNN is based on a power-of-two weight representation and, as a result, performs only…

Computer Vision and Pattern Recognition · Computer Science 2017-06-09 Denis A. Gudovskiy , Luca Rigazio

We introduce a light-weight, power efficient, and general purpose convolutional neural network, ESPNetv2, for modeling visual and sequential data. Our network uses group point-wise and depth-wise dilated separable convolutions to learn…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Sachin Mehta , Mohammad Rastegari , Linda Shapiro , Hannaneh Hajishirzi

In Convolutional Neural Networks (CNNs) information flows across a small neighbourhood of each pixel of an image, preventing long-range integration of features before reaching deep layers in the network. We propose a novel architecture that…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Federica Freddi , Jezabel R Garcia , Michael Bromberg , Sepehr Jalali , Da-Shan Shiu , Alvin Chua , Alberto Bernacchia

The recent development of light-weighted neural networks has promoted the applications of deep learning under resource constraints and mobile applications. Many of these applications need to perform a real-time and efficient prediction for…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Weihao Jiang , Zhaozhi Xie , Yaoyi Li , Chang Liu , Hongtao Lu

4D-flow magnetic resonance imaging (MRI) is an emerging imaging technique where spatiotemporal 3D blood velocity can be captured with full volumetric coverage in a single non-invasive examination. This enables qualitative and quantitative…

Image and Video Processing · Electrical Eng. & Systems 2020-04-16 Edward Ferdian , Avan Suinesiaputra , David Dubowitz , Debbie Zhao , Alan Wang , Brett Cowan , Alistair Young