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Generalizable 3D object reconstruction from single-view RGB-D images remains a challenging task, particularly with real-world data. Current state-of-the-art methods develop Transformer-based implicit field learning, necessitating an…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Yushuang Wu , Luyue Shi , Junhao Cai , Weihao Yuan , Lingteng Qiu , Zilong Dong , Liefeng Bo , Shuguang Cui , Xiaoguang Han

We are interested in counting the number of instances of object classes in natural, everyday images. Previous counting approaches tackle the problem in restricted domains such as counting pedestrians in surveillance videos. Counts can also…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Prithvijit Chattopadhyay , Ramakrishna Vedantam , Ramprasaath R. Selvaraju , Dhruv Batra , Devi Parikh

Imitation learning powered by generative models has proven effective for modeling complex single-agent behaviors. However, teaching multi-agent systems, like multiple arms or vehicles, to coordinate through imitation learning is hindered by…

Robotics · Computer Science 2026-05-18 Lasse Peters , Laura Ferranti , Andrea Bajcsy , Javier Alonso-Mora

Depth information provides valuable insights into the 3D structure especially the outline of objects, which can be utilized to improve the semantic segmentation tasks. However, a naive fusion of depth information can disrupt feature and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Wei Sun , Yuan Li , Qixiang Ye , Jianbin Jiao , Yanzhao Zhou

Machine vision applications are low cost and high precision measurement systems which are frequently used in production lines. With these systems that provide contactless control and measurement, production facilities are able to reach high…

Computer Vision and Pattern Recognition · Computer Science 2018-02-19 Mehmet Baygin , Mehmet Karakose , Alisan Sarimaden , Erhan Akin

The present work proposes the concept of induced percolation over multiple-object systems, so that features such as the number of merged clusters can be used as a relevant measurement. The suggested approach involves the expansion of the…

Disordered Systems and Neural Networks · Physics 2007-05-23 Luciano da Fontoura Costa

The goal of this paper is to extract the visual-language correspondence from a pre-trained text-to-image diffusion model, in the form of segmentation map, i.e., simultaneously generating images and segmentation masks for the corresponding…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Ziyi Li , Qinye Zhou , Xiaoyun Zhang , Ya Zhang , Yanfeng Wang , Weidi Xie

An active learning algorithm for the classification of high-dimensional images is proposed in which spatially-regularized nonlinear diffusion geometry is used to characterize cluster cores. The proposed method samples from estimated cluster…

Machine Learning · Computer Science 2019-11-07 James M. Murphy

This paper studies the problem of object discovery -- separating objects from the background without manual labels. Existing approaches utilize appearance cues, such as color, texture, and location, to group pixels into object-like regions.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Zhipeng Bao , Pavel Tokmakov , Allan Jabri , Yu-Xiong Wang , Adrien Gaidon , Martial Hebert

Coherent diffraction imaging (CDI) is a promising imaging technique revealing most of the information from diffraction measurements. An ideal CDI should reconstruct complex-valued object from a single-shot far-field diffraction without any…

Optics · Physics 2022-08-26 An-Dong Xiong , Xiao-Peng Jin , Xv-Ri Yao , Qing Zhao

In this paper, we address the problem of plausible object placement for the challenging task of realistic image composition. We propose DiffPop, the first framework that utilizes plausibility-guided denoising diffusion probabilistic model…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Jiacheng Liu , Hang Zhou , Shida Wei , Rui Ma

Prevalent human-object interaction (HOI) detection approaches typically leverage large-scale visual-linguistic models to help recognize events involving humans and objects. Though promising, models trained via contrastive learning on…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Liulei Li , Wenguan Wang , Yi Yang

Score-based diffusion models provide a powerful way to model images using the gradient of the data distribution. Leveraging the learned score function as a prior, here we introduce a way to sample data from a conditional distribution given…

Image and Video Processing · Electrical Eng. & Systems 2022-07-19 Hyungjin Chung , Jong Chul Ye

Diffusion models are capable of generating impressive images conditioned on text descriptions, and extensions of these models allow users to edit images at a relatively coarse scale. However, the ability to precisely edit the layout,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Daniel Geng , Andrew Owens

Ptychography is a lensless, computational imaging method that utilises diffraction patterns to determine the amplitude and phase of an object. In transmission ptychography, the diffraction patterns are recorded by a detector positioned…

Image and Video Processing · Electrical Eng. & Systems 2023-01-04 Kira A. M. Maathuis , Jacob Seifert , Allard P. Mosk

Given a group of images, co-salient object detection (CoSOD) aims to highlight the common salient object in each image. There are two factors closely related to the success of this task, namely consensus extraction, and the dispersion of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Peiran Xu , Yadong Mu

As large-scale text-to-image generation models have made remarkable progress in the field of text-to-image generation, many fine-tuning methods have been proposed. However, these models often struggle with novel objects, especially with…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Jianxiang Lu , Cong Xie , Hui Guo

In this work, we address the problem of few-shot multi-class object counting with point-level annotations. The proposed technique leverages a class agnostic attention mechanism that sequentially attends to objects in the image and extracts…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Negin Sokhandan , Pegah Kamousi , Alejandro Posada , Eniola Alese , Negar Rostamzadeh

We introduce SPOT, an object-centric imitation learning framework. The key idea is to capture each task by an object-centric representation, specifically the SE(3) object pose trajectory relative to the target. This approach decouples…

Robotics · Computer Science 2025-05-15 Cheng-Chun Hsu , Bowen Wen , Jie Xu , Yashraj Narang , Xiaolong Wang , Yuke Zhu , Joydeep Biswas , Stan Birchfield

In this paper, we consider the problem of generalised visual object counting, with the goal of developing a computational model for counting the number of objects from arbitrary semantic categories, using arbitrary number of "exemplars",…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Chang Liu , Yujie Zhong , Andrew Zisserman , Weidi Xie
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