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We present ROCA, a novel end-to-end approach that retrieves and aligns 3D CAD models from a shape database to a single input image. This enables 3D perception of an observed scene from a 2D RGB observation, characterized as a lightweight,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Can Gümeli , Angela Dai , Matthias Nießner

Supervised dimensionality reduction strategies have been of great interest. However, current supervised dimensionality reduction approaches are difficult to scale for situations characterized by large datasets given the high computational…

Machine Learning · Computer Science 2018-11-09 Amir-Hossein Karimi , Alexander Wong , Ali Ghodsi

Low-dose Computed Tomography is a common issue in reality. Current reduction, sparse sampling and limited-view scanning can all cause it. Between them, limited-view CT is general in the industry due to inevitable mechanical and physical…

Image and Video Processing · Electrical Eng. & Systems 2021-01-20 Ken Deng , Chang Sun , Yitong Liu , Hongwen Yang

Tomographic image reconstruction can be mapped to a problem of finding solutions to a large system of linear equations which maximize a function that includes \textit{a priori} knowledge regarding features of typical images such as…

Image and Video Processing · Electrical Eng. & Systems 2019-10-02 Anna Paola Muntoni , Rafael Díaz Hernández Rojas , Alfredo Braunstein , Andrea Pagnani , Isaac Pérez Castillo

Composed Image Retrieval (CIR) aims to retrieve a target image based on a reference image and conditioning text, enabling controllable image searches. The mainstream Zero-Shot (ZS) CIR methods bypass the need for expensive training CIR…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Jaeseok Byun , Seokhyeon Jeong , Wonjae Kim , Sanghyuk Chun , Taesup Moon

We consider the problem of referring camouflaged object detection (Ref-COD), a new task that aims to segment specified camouflaged objects based on a small set of referring images with salient target objects. We first assemble a large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xuying Zhang , Bowen Yin , Zheng Lin , Qibin Hou , Deng-Ping Fan , Ming-Ming Cheng

Geocoding involves automatic extraction of location coordinates of incidents reported in news articles, and can be used for epidemic intelligence or disaster management. This paper introduces Retrieval-Augmented Coordinate Capture Of Online…

Computation and Language · Computer Science 2025-01-22 Jonathan Lin , Aditya Joshi , Hye-young Paik , Tri Dung Doung , Deepti Gurdasani

Augmenting RGB data with measured depth has been shown to improve the performance of a range of tasks in computer vision including object detection and semantic segmentation. Although depth sensors such as the Microsoft Kinect have…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Yuanzhouhan Cao , Chunhua Shen , Heng Tao Shen

Humans effortlessly retrieve objects in cluttered, partially observable environments by combining visual reasoning, active viewpoint adjustment, and physical interaction-with only a single pair of eyes. In contrast, most existing robotic…

Robotics · Computer Science 2025-08-19 Hecheng Wang , Jiankun Ren , Jia Yu , Lizhe Qi , Yunquan Sun

In this paper we propose a vision system that performs image Super Resolution (SR) with selectivity. Conventional SR techniques, either by multi-image fusion or example-based construction, have failed to capitalize on the intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2010-10-28 Ju Sun , Qiang Chen , Shuicheng Yan , Loong-Fah Cheong

We propose a stable and fast reconstruction technique for parallel-beam (PB) tomographic X-ray imaging, relying on the discrete pseudo-polar (PP) Radon transform. Our main contribution is a resampling method, based on modern sampling…

Numerical Analysis · Computer Science 2018-03-29 Shahar Tsiper , Yonina C. Eldar

To avoid the exhaustive search over locations and scales, current state-of-the-art object detection systems usually involve a crucial component generating a batch of candidate object proposals from images. In this paper, we present a simple…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Tianshui Chen , Liang Lin , Xian Wu , Nong Xiao , Xiaonan Luo

This paper presents a novel graph-theoretic deep representation learning method in the framework of multi-label remote sensing (RS) image retrieval problems. The proposed method aims to extract and exploit multi-label co-occurrence…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Gencer Sumbul , Begüm Demir

Radon transform and its inverse operation are important techniques in medical imaging tasks. Recently, there has been renewed interest in Radon transform for applications such as content-based medical image retrieval. However, all studies…

Computer Vision and Pattern Recognition · Computer Science 2017-10-12 Morteza Babaie , H. R. Tizhoosh , Amin Khatami , M. E. Shiri

We describe a strategy for detection and classification of man-made objects in large high-resolution satellite photos under computational resource constraints. We detect and classify candidate objects by using five pipelines of…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Gilbert Rotich , Rodrigo Minetto , Sudeep Sarkar

Single image super-resolution (SISR) is a very popular topic nowadays, which has both research value and practical value. In daily life, we crop a large image into sub-images to do super-resolution and then merge them together. Although…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Junyu , Wang , Rong Song

Semi-supervised object detection (SSOD) based on pseudo-labeling significantly reduces dependence on large labeled datasets by effectively leveraging both labeled and unlabeled data. However, real-world applications of SSOD often face…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Moussa Kassem Sbeyti , Nadja Klein , Azarm Nowzad , Fikret Sivrikaya , Sahin Albayrak

The objective of Content-Based Image Retrieval (CBIR) methods is essentially to extract, from large (image) databases, a specified number of images similar in visual and semantic content to a so-called query image. To bridge the semantic…

Information Retrieval · Computer Science 2015-02-12 Smarajit Bose , Amita Pal , Jhimli Mallick , Sunil Kumar , Pratyaydipta Rudra

An autonomous system's perception engine must provide an accurate understanding of the environment for it to make decisions. Deep learning based object detection networks experience degradation in the performance and robustness for small…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Hemant Kumawat , Saibal Mukhopadhyay

We consider the reconstruction of a two-dimensional discrete image from a set of tomographic measurements corresponding to the Radon projection. Assuming that the image has a structure where neighbouring pixels have a larger probability to…

Numerical Analysis · Computer Science 2013-04-04 Emmanuelle Gouillart , Florent Krzakala , Marc Mezard , Lenka Zdeborová
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