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Related papers: AFreeCA: Annotation-Free Counting for All

200 papers

Latent Diffusion models (LDMs) have achieved remarkable results in synthesizing high-resolution images. However, the iterative sampling process is computationally intensive and leads to slow generation. Inspired by Consistency Models (song…

Computer Vision and Pattern Recognition · Computer Science 2023-10-09 Simian Luo , Yiqin Tan , Longbo Huang , Jian Li , Hang Zhao

Object segmentation is a crucial problem that is usually solved by using supervised learning approaches over very large datasets composed of both images and corresponding object masks. Since the masks have to be provided at pixel level,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Mickaël Chen , Thierry Artières , Ludovic Denoyer

We consider low-shot counting of arbitrary semantic categories in the image using only few annotated exemplars (few-shot) or no exemplars (no-shot). The standard few-shot pipeline follows extraction of appearance queries from exemplars and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Nikola Djukic , Alan Lukezic , Vitjan Zavrtanik , Matej Kristan

Meta AI recently released the Segment Anything model (SAM), which has garnered attention due to its impressive performance in class-agnostic segmenting. In this study, we explore the use of SAM for the challenging task of few-shot object…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Zhiheng Ma , Xiaopeng Hong , Qinnan Shangguan

A major challenge in scaling object detection is the difficulty of obtaining labeled images for large numbers of categories. Recently, deep convolutional neural networks (CNNs) have emerged as clear winners on object classification…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Judy Hoffman , Sergio Guadarrama , Eric Tzeng , Ronghang Hu , Jeff Donahue , Ross Girshick , Trevor Darrell , Kate Saenko

The burgeoning field of camouflaged object detection (COD) seeks to identify objects that blend into their surroundings. Despite the impressive performance of recent models, we have identified a limitation in their robustness, where…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Xue-Jing Luo , Shuo Wang , Zongwei Wu , Christos Sakaridis , Yun Cheng , Deng-Ping Fan , Luc Van Gool

A major challenge in Natural Language Processing is obtaining annotated data for supervised learning. An option is the use of crowdsourcing platforms for data annotation. However, crowdsourcing introduces issues related to the annotator's…

Learning an object detector or retrieval requires a large data set with manual annotations. Such data sets are expensive and time consuming to create and therefore difficult to obtain on a large scale. In this work, we propose to exploit…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Elad Amrani , Rami Ben-Ari , Tal Hakim , Alex Bronstein

Urban informatics explore data science methods to address different urban issues intensively based on data. The large variety and quantity of data available should be explored but this brings important challenges. For instance, although…

Computer Vision and Pattern Recognition · Computer Science 2017-07-17 Eric Keiji , Gabriel Ferreira , Claudio Silva , Roberto M. Cesar

Accurate cell counting is essential in various biomedical research and clinical applications, including cancer diagnosis, stem cell research, and immunology. Manual counting is labor-intensive and error-prone, motivating automation through…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Abdurahman Ali Mohammed , Catherine Fonder , Ying Wei , Wallapak Tavanapong , Donald S Sakaguchi , Qi Li , Surya K. Mallapragada

Annotating a large number of training images is very time-consuming. In this background, this paper focuses on learning from easy-to-acquire web data and utilizes the learned model for fine-grained image classification in labeled datasets.…

Computer Vision and Pattern Recognition · Computer Science 2018-12-24 Xiaoxiao Sun , Liang Zheng , Yu-Kun Lai , Jufeng Yang

Object detection has witnessed significant progress by relying on large, manually annotated datasets. Annotating such datasets is highly time consuming and expensive, which motivates the development of weakly supervised and few-shot object…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Carlo Biffi , Steven McDonagh , Philip Torr , Ales Leonardis , Sarah Parisot

Crowd counting is an important problem in computer vision due to its wide range of applications in image understanding. Currently, this problem is typically addressed using deep learning approaches, such as Convolutional Neural Networks…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Zhen Wang , Yuelei Li , Jia Wan , Nuno Vasconcelos

Building robust and generic object detection frameworks requires scaling to larger label spaces and bigger training datasets. However, it is prohibitively costly to acquire annotations for thousands of categories at a large scale. We…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Shiyu Zhao , Zhixing Zhang , Samuel Schulter , Long Zhao , Vijay Kumar B. G , Anastasis Stathopoulos , Manmohan Chandraker , Dimitris Metaxas

Object detection in art is a valuable tool for the digital humanities, as it allows for faster identification of objects in artistic and historical images compared to humans. However, annotating such images poses significant challenges due…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Patrick Ramos , Nicolas Gonthier , Selina Khan , Yuta Nakashima , Noa Garcia

Recent advances in diffusion-based text-to-video (T2V) models have demonstrated remarkable progress, but these models still face challenges in generating videos with multiple objects. Most models struggle with accurately capturing complex…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Aimon Rahman , Jiang Liu , Ze Wang , Ximeng Sun , Jialian Wu , Xiaodong Yu , Yusheng Su , Vishal M. Patel , Zicheng Liu , Emad Barsoum

Current large-scale generative models have impressive efficiency in generating high-quality images based on text prompts. However, they lack the ability to precisely control the size and position of objects in the generated image. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Jiafeng Mao , Xueting Wang

Recently, CNN object detectors have achieved high accuracy on remote sensing images but require huge labor and time costs on annotation. In this paper, we propose a new uncertainty-based active learning which can select images with more…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Zhenshen Qu , Jingda Du , Yong Cao , Qiuyu Guan , Pengbo Zhao

Model selection for a given target task can be costly, as it may entail extensive annotation of the quality of outputs of different models. We introduce DiffUse, an efficient method to make an informed decision between candidate text…

Computation and Language · Computer Science 2024-06-07 Shir Ashury-Tahan , Ariel Gera , Benjamin Sznajder , Leshem Choshen , Liat Ein-Dor , Eyal Shnarch

Learning to count is a learning strategy that has been recently proposed in the literature for dealing with problems where estimating the number of object instances in a scene is the final objective. In this framework, the task of learning…

Computer Vision and Pattern Recognition · Computer Science 2015-06-01 Santi Seguí , Oriol Pujol , Jordi Vitrià