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The BIOSCAN project, led by the International Barcode of Life Consortium, seeks to study changes in biodiversity on a global scale. One component of the project is focused on studying the species interaction and dynamics of all insects. In…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Nicholas Pellegrino , Zahra Gharaee , Paul Fieguth

In many applications of X-ray computed tomography, an unsupervised segmentation of the reconstructed 3D volumes forms an important step in the image processing chain for further investigation of the digitized object. Therefore, the goal is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Thomas Lang

Diffusion-based text-to-image generation models have demonstrated strong performance in terms of image quality and diversity. However, they still struggle to generate images that accurately reflect the number of objects specified in the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Joohyeon Lee , Jin-Seop Lee , Jee-Hyong Lee

Major advancements in computer vision can primarily be attributed to the use of labeled datasets. However, acquiring labels for datasets often results in errors which can harm model performance. Recent works have proposed methods to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Maya Srikanth , Jeremy Irvin , Brian Wesley Hill , Felipe Godoy , Ishan Sabane , Andrew Y. Ng

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…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Wonjun Kang , Kevin Galim , Hyung Il Koo , Nam Ik Cho

Difference imaging or image subtraction is a method that measures differential photometry by matching the pointing and point-spread function (PSF) between image frames. It is used for the detection of time-variable phenomena. Here we…

Instrumentation and Methods for Astrophysics · Physics 2017-10-10 Dun Wang , David W. Hogg , Daniel Foreman-Mackey , Bernhard Schölkopf

This paper presents CountEx, a discriminative visual counting framework designed to address a key limitation of existing prompt-based methods: the inability to explicitly exclude visually similar distractors. While current approaches allow…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Yifeng Huang , Gia Khanh Nguyen , Minh Hoai

DBSCAN is a popular density-based clustering algorithm that has many different applications in practice. However, the running time of DBSCAN in high-dimensional space or general metric space ({\em e.g.,} clustering a set of texts by using…

Data Structures and Algorithms · Computer Science 2025-01-07 Guanlin Mo , Shihong Song , Hu Ding

This paper proposes an adaptive auxiliary task learning based approach for object counting problems. Unlike existing auxiliary task learning based methods, we develop an attention-enhanced adaptively shared backbone network to enable both…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Yanda Meng , Joshua Bridge , Meng Wei , Yitian Zhao , Yihong Qiao , Xiaoyun Yang , Xiaowei Huang , Yalin Zheng

High-resolution images are widely adopted for high-performance object detection in videos. However, processing high-resolution inputs comes with high computation costs, and naive down-sampling of the input to reduce the computation costs…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Babak Ehteshami Bejnordi , Amirhossein Habibian , Fatih Porikli , Amir Ghodrati

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…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Zuhui Wang

Low-shot object counting addresses estimating the number of previously unobserved objects in an image using only few or no annotated test-time exemplars. A considerable challenge for modern low-shot counters are dense regions with small…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Grega Šuštar , Jer Pelhan , Alan Lukežič , Matej Kristan

Sampling and quantization are standard practices in signal and image processing, but a theoretical understanding of their impact is incomplete. We consider discrete image registration when the underlying function is a one-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Serap A. Savari

This paper reports a new solution of leveraging temporal classification to support weakly supervised object detection (WSOD). Specifically, we introduce raster scan-order techniques to serialize 2D images into 1D sequence data, and then…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Chia-Yu Hsu , Wenwen Li

Supervised machine learning based state-of-the-art computer vision techniques are in general data hungry and pose the challenges of not having adequate computing resources and of high costs involved in human labeling efforts. Training data…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Vishal Kaushal , Anurag Sahoo , Khoshrav Doctor , Narasimha Raju , Suyash Shetty , Pankaj Singh , Rishabh Iyer , Ganesh Ramakrishnan

Developing data-efficient instance detection models that can handle rare object categories remains a key challenge in computer vision. However, existing research often overlooks data collection strategies and evaluation metrics tailored to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Boyang Deng , Meiyan Lin , Shoulun Long

Compressive Sensing (CS) theory asserts that sparse signal reconstruction is possible from a small number of linear measurements. Although CS enables low-cost linear sampling, it requires non-linear and costly reconstruction. Recent…

Machine Learning · Computer Science 2018-10-16 Aysen Degerli , Sinem Aslan , Mehmet Yamac , Bulent Sankur , Moncef Gabbouj

Recent advances in deep learning have led to the development of accurate and efficient models for various computer vision applications such as classification, segmentation, and detection. However, learning highly accurate models relies on…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Poojan Oza , Vishwanath A. Sindagi , Vibashan VS , Vishal M. Patel

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Yiming Ma , Victor Sanchez , Tanaya Guha

Large-scale well-annotated datasets are of great importance for training an effective object detector. However, obtaining accurate bounding box annotations is laborious and demanding. Unfortunately, the resultant noisy bounding boxes could…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Donghao Zhou , Jialin Li , Jinpeng Li , Jiancheng Huang , Qiang Nie , Yong Liu , Bin-Bin Gao , Qiong Wang , Pheng-Ann Heng , Guangyong Chen