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Recently, there have been significant improvements in the quality and performance of text-to-image generation, largely due to the impressive results attained by diffusion models. However, text-to-image diffusion models sometimes struggle to…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Wonjun Kang , Kevin Galim , Hyung Il Koo , Nam Ik Cho

In this work, we tackle the problem of crowd counting in images. We present a Convolutional Neural Network (CNN) based density estimation approach to solve this problem. Predicting a high resolution density map in one go is a challenging…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Viresh Ranjan , Hieu Le , Minh Hoai

Scene segmentation in images is a fundamental yet challenging problem in visual content understanding, which is to learn a model to assign every image pixel to a categorical label. One of the challenges for this learning task is to consider…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Litao Yu , Zhibin Li , Jian Zhang , Qiang Wu

Class-agnostic object counting aims to count all objects in an image with respect to example boxes or class names, \emph{a.k.a} few-shot and zero-shot counting. In this paper, we propose a generalized framework for both few-shot and…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Zhizhong Huang , Mingliang Dai , Yi Zhang , Junping Zhang , Hongming Shan

State-of-the-art crowd counting models follow an encoder-decoder approach. Images are first processed by the encoder to extract features. Then, to account for perspective distortion, the highest-level feature map is fed to extra components…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Yiming Ma , Victor Sanchez , Tanaya Guha

We present an approach to effectively use millions of images with noisy annotations in conjunction with a small subset of cleanly-annotated images to learn powerful image representations. One common approach to combine clean and noisy data…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Andreas Veit , Neil Alldrin , Gal Chechik , Ivan Krasin , Abhinav Gupta , Serge Belongie

Microscopy images from different imaging conditions, organs, and tissues often have numerous cells with various shapes on a range of backgrounds. As a result, designing a deep learning model to count cells in a source domain becomes…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Zuhui Wang

The need to count and localize repeating objects in an image arises in different scenarios, such as biological microscopy studies, production lines inspection, and surveillance recordings analysis. The use of supervised Convoutional Neural…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Inbar Huberman-Spiegelglas , Raanan Fattal

In class-agnostic object counting, the goal is to estimate the total number of object instances in an image without distinguishing between specific categories. Existing methods often predict this count without considering class-specific…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Huilin Zhu , Jingling Yuan , Zhengwei Yang , Yu Guo , Xian Zhong , Shengfeng He

Occlusions, complex backgrounds, scale variations and non-uniform distributions present great challenges for crowd counting in practical applications. In this paper, we propose a novel method using an attention model to exploit head…

计算机视觉与模式识别 · 计算机科学 2018-06-28 Youmei Zhang , Chunluan Zhou , Faliang Chang , Alex C. Kot

We have created a large diverse set of cars from overhead images, which are useful for training a deep learner to binary classify, detect and count them. The dataset and all related material will be made publically available. The set…

计算机视觉与模式识别 · 计算机科学 2016-09-16 T. Nathan Mundhenk , Goran Konjevod , Wesam A. Sakla , Kofi Boakye

Expanding pre-trained zero-shot counting models to handle unseen categories requires more than simply adding new prompts, as this approach does not achieve the necessary alignment between text and visual features for accurate counting. We…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Huilin Zhu , Senyao Li , Jingling Yuan , Zhengwei Yang , Yu Guo , Wenxuan Liu , Xian Zhong , Shengfeng He

Automatic analysis of highly crowded people has attracted extensive attention from computer vision research. Previous approaches for crowd counting have already achieved promising performance across various benchmarks. However, to deal with…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Xiaowen Shi , Xin Li , Caili Wu , Shuchen Kong , Jing Yang , Liang He

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density. While effective, these data-driven approaches rely on large amount of data annotation to achieve good performance, which stops…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Weizhe Liu , Nikita Durasov , Pascal Fua

Large volumes of videos are continuously recorded from cameras deployed for traffic control and surveillance with the goal of answering "after the fact" queries: identify video frames with objects of certain classes (cars, bags) from many…

The flexibility and accuracy of methods for automatically counting objects in images and videos are limited by the way the object can be specified. While existing methods allow users to describe the target object with text and visual…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Niki Amini-Naieni , Andrew Zisserman

The ability to quickly annotate medical imaging data plays a critical role in training deep learning frameworks for segmentation. Doing so for image volumes or video sequences is even more pressing as annotating these is particularly…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Laurent Lejeune , Raphael Sznitman

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…

计算机视觉与模式识别 · 计算机科学 2017-05-10 Prithvijit Chattopadhyay , Ramakrishna Vedantam , Ramprasaath R. Selvaraju , Dhruv Batra , Devi Parikh

Current semantic segmentation models typically require a substantial amount of manually annotated data, a process that is both time-consuming and resource-intensive. Alternatively, leveraging advanced text-to-image models such as Midjourney…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Bo Gao , Jianhui Wang , Xinyuan Song , Yangfan He , Fangxu Xing , Tianyu Shi

Given the large-scale data and the high annotation cost, pretraining-finetuning becomes a popular paradigm in multiple computer vision tasks. Previous research has covered both the unsupervised pretraining and supervised finetuning in this…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yichen Xie , Han Lu , Junchi Yan , Xiaokang Yang , Masayoshi Tomizuka , Wei Zhan