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Dense feature matching aims to estimate all correspondences between two images of a 3D scene and has recently been established as the gold-standard due to its high accuracy and robustness. However, existing dense matchers still fail or…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Johan Edstedt , David Nordström , Yushan Zhang , Georg Bökman , Jonathan Astermark , Viktor Larsson , Anders Heyden , Fredrik Kahl , Mårten Wadenbäck , Michael Felsberg

We consider an important task of effective and efficient semantic image segmentation. In particular, we adapt a powerful semantic segmentation architecture, called RefineNet, into the more compact one, suitable even for tasks requiring…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Vladimir Nekrasov , Chunhua Shen , Ian Reid

Besides accuracy, the model size of convolutional neural networks (CNN) models is another important factor considering limited hardware resources in practical applications. For example, employing deep neural networks on mobile systems…

Machine Learning · Computer Science 2021-07-05 Huixin Zhan , Wei-Ming Lin , Yongcan Cao

This paper tackles the unsupervised depth estimation task in indoor environments. The task is extremely challenging because of the vast areas of non-texture regions in these scenes. These areas could overwhelm the optimization process in…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Zehao Yu , Lei Jin , Shenghua Gao

Earlier work demonstrates the promise of deep-learning-based approaches for point cloud segmentation; however, these approaches need to be improved to be practically useful. To this end, we introduce a new model SqueezeSegV2 that is more…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Bichen Wu , Xuanyu Zhou , Sicheng Zhao , Xiangyu Yue , Kurt Keutzer

Semantic-rich features from Vision Foundation Models (VFMs) have been leveraged to enhance Latent Diffusion Models (LDMs). However, raw VFM features are typically high-dimensional and redundant, increasing the difficulty of learning and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Guanfang Dong , Luke Schultz , Negar Hassanpour , Chao Gao

We introduce MIM (Masked Image Modeling)-Refiner, a contrastive learning boost for pre-trained MIM models. MIM-Refiner is motivated by the insight that strong representations within MIM models generally reside in intermediate layers.…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Benedikt Alkin , Lukas Miklautz , Sepp Hochreiter , Johannes Brandstetter

The tradeoff between performance and inference speed is critical for practical applications. Architecture reparameterization obtains better tradeoffs and it is becoming an increasingly popular ingredient in modern convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Xiangxiang Chu , Liang Li , Bo Zhang

Lightweight convolutional and transformer-based networks are increasingly preferred for real-time image classification, especially on resource-constrained devices. This study evaluates the impact of hyperparameter optimization on the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Vineet Kumar Rakesh , Soumya Mazumdar , Tapas Samanta , Hemendra Kumar Pandey , Amitabha Das

Traditional channel-wise pruning methods by reducing network channels struggle to effectively prune efficient CNN models with depth-wise convolutional layers and certain efficient modules, such as popular inverted residual blocks. Prior…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Ji Liu , Dehua Tang , Yuanxian Huang , Li Zhang , Xiaocheng Zeng , Dong Li , Mingjie Lu , Jinzhang Peng , Yu Wang , Fan Jiang , Lu Tian , Ashish Sirasao

The proliferation of sophisticated deepfakes poses significant threats to information integrity. While DINOv2 shows promise for detection, existing fine-tuning approaches treat it as generic binary classification, overlooking distinct…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Tianxiang Zhang , Peipeng Yu , Zhihua Xia , Longchen Dai , Xiaoyu Zhou , Hui Gao

In this paper, we explore a principal way to enhance the quality of object masks produced by different segmentation models. We propose a model-agnostic solution called SegRefiner, which offers a novel perspective on this problem by…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Mengyu Wang , Henghui Ding , Jun Hao Liew , Jiajun Liu , Yao Zhao , Yunchao Wei

RGB-to-hyperspectral image reconstruction is a highly ill-posed inverse problem, since multiple plausible spectral distributions may correspond to the same RGB observation. Existing regression-based methods usually learn a deterministic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Songyu Ding , Ronggiang Zhao , Mingchun Sun , Jie Liu

High-throughput computational imaging requires efficient processing algorithms to retrieve multi-dimensional and multi-scale information. In computational phase imaging, phase retrieval (PR) is required to reconstruct both amplitude and…

Image and Video Processing · Electrical Eng. & Systems 2021-09-15 Xuyang Chang , Liheng Bian , Jun Zhang

We introduce a novel approach for scalable domain adaptation in cloud robotics scenarios where robots rely on third-party AI inference services powered by large pre-trained deep neural networks. Our method is based on a downstream…

Robotics · Computer Science 2024-07-22 Michele Antonazzi , Matteo Luperto , N. Alberto Borghese , Nicola Basilico

Large-scale vision foundation models such as DINOv2 boast impressive performances by leveraging massive architectures and training datasets. But numerous scenarios require practitioners to reproduce those pre-training solutions, such as on…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Jiaqi Zhang , Juntuo Wang , Zhixin Sun , John Zou , Randall Balestriero

In this paper, we propose a new method called ProfWeight for transferring information from a pre-trained deep neural network that has a high test accuracy to a simpler interpretable model or a very shallow network of low complexity and a…

Machine Learning · Computer Science 2018-11-20 Amit Dhurandhar , Karthikeyan Shanmugam , Ronny Luss , Peder Olsen

Large-scale pre-trained transformers have demonstrated remarkable success in various computer vision tasks. However, it is still highly challenging to fully fine-tune these models for downstream tasks due to their high computational and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Zhao Song , Ke Yang , Naiyang Guan , Junjie Zhu , Peng Qiao , Qingyong Hu

Semantic segmentation empowers numerous real-world applications, such as autonomous driving and augmented/mixed reality. These applications often operate on high-resolution images (e.g., 8 megapixels) to capture the fine details. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Zhijian Liu , Zhuoyang Zhang , Samir Khaki , Shang Yang , Haotian Tang , Chenfeng Xu , Kurt Keutzer , Song Han

Existing LiDAR-Camera fusion methods have achieved strong results in 3D object detection. To address the sparsity of point clouds, previous approaches typically construct spatial pseudo point clouds via depth completion as auxiliary input…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Jijun Wang , Yan Wu , Yujian Mo , Junqiao Zhao , Jun Yan , Yinghao Hu