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The task of automatically segmenting 3-D surfaces representing boundaries of objects is important for quantitative analysis of volumetric images, and plays a vital role in biomedical image analysis. Recently, graph-based methods with a…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Abhay Shah , Michael Abramoff , Xiaodong Wu

Quantitative image analysis often depends on accurate classification of pixels through a segmentation process. However, imaging artifacts such as the partial volume effect and sensor noise complicate the classification process. These…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Brendan A. West , Taylor S. Hodgdon , Matthew D. Parno , Arnold J. Song

This work presents an unsupervised deep learning scheme that exploiting high-dimensional assisted score-based generative model for color image restoration tasks. Considering that the sample number and internal dimension in score-based…

Image and Video Processing · Electrical Eng. & Systems 2021-08-17 Kai Hong , Chunhua Wu , Cailian Yang , Minghui Zhang , Yancheng Lu , Yuhao Wang , Qiegen Liu

In this paper, we present a new multiscale domain decomposition algorithm for computing solutions of static Eikonal equations. The new method is an iterative two-scale method that uses a parareal-like update scheme in combination with…

Numerical Analysis · Mathematics 2018-06-13 Lindsay Martin , Richard Tsai

Segment Anything Models (SAMs), known for their exceptional zero-shot segmentation performance, have garnered significant attention in the research community. Nevertheless, their performance drops significantly on severely degraded,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Guangqian Guo , Aixi Ren , Yong Guo , Xuehui Yu , Jiacheng Tian , Wenli Li , Chaowei Wang , Yaoxing Wang , Shan Gao

Lesion segmentation, in contrast to natural scene segmentation, requires handling subtle variations in texture and color, frequent imaging artifacts (such as hairs, rulers, and bubbles), and a critical need for precise boundary localization…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Vikram Singh , Kabir Malhotra , Rohan Desai , Ananya Shankaracharya , Priyadarshini Chatterjee , Krishnan Menon Iyer

We present {\mu}Split, a dedicated approach for trained image decomposition in the context of fluorescence microscopy images. We find that best results using regular deep architectures are achieved when large image patches are used during…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Ashesh , Alexander Krull , Moises Di Sante , Francesco Silvio Pasqualini , Florian Jug

A central problem in neuroscience is reconstructing neuronal circuits on the synapse level. Due to a wide range of scales in brain architecture such reconstruction requires imaging that is both high-resolution and high-throughput. Existing…

Computer Vision and Pattern Recognition · Computer Science 2012-10-03 Tao Hu , Juan Nunez-Iglesias , Shiv Vitaladevuni , Lou Scheffer , Shan Xu , Mehdi Bolorizadeh , Harald Hess , Richard Fetter , Dmitri Chklovskii

Gradient-based algorithms are crucial to modern computer-vision and graphics applications, enabling learning-based optimization and inverse problems. For example, photorealistic differentiable rendering pipelines for color images have been…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Benjamin Planche , Rajat Vikram Singh

The automated segmentation of cerebral aneurysms is pivotal for accurate diagnosis and treatment planning. Confronted with significant domain shifts and class imbalance in 3D Rotational Angiography (3DRA) data from various medical…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Fengming Lin , Yan Xia , Michael MacRaild , Yash Deo , Haoran Dou , Qiongyao Liu , Nina Cheng , Nishant Ravikumar , Alejandro F. Frangi

Problems in differentiable rendering often involve optimizing scene parameters that cause motion in image space. The gradients for such parameters tend to be sparse, leading to poor convergence. While existing methods address this sparsity…

Graphics · Computer Science 2025-03-31 Ishit Mehta , Manmohan Chandraker , Ravi Ramamoorthi

In the field of connectomics, neuroscientists seek to identify cortical connectivity comprehensively. Neuronal boundary detection from the Electron Microscopy (EM) images is often done to assist the automatic reconstruction of neuronal…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Wei Shen , Bin Wang , Yuan Jiang , Yan Wang , Alan Yuille

In the last years, automated segmentation has become a necessary tool for volume electron microscopy (EM) imaging. So far, the best performing techniques have been largely based on fully supervised encoder-decoder CNNs, requiring a…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Joris Roels , Julian Hennies , Yvan Saeys , Wilfried Philips , Anna Kreshuk

In this paper, we explore how conventional image enhancement can improve model robustness in medical image analysis. By applying commonly used normalization methods to images from various vendors and studying their influence on model…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Yucheng Lu , Shunxin Wang , Dovile Juodelyte , Veronika Cheplygina

Image inpainting plays a vital role in restoring missing image regions and supporting high-level vision tasks, but traditional methods struggle with complex textures and large occlusions. Although Transformer-based approaches have…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Sijin He , Guangfeng Lin , Tao Li , Yajun Chen

Unpaired image translation algorithms can be used for sim2real tasks, but many fail to generate temporally consistent results. We present a new approach that combines differentiable rendering with image translation to achieve temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Ryan Burgert , Jinghuan Shang , Xiang Li , Michael Ryoo

Grayscale image colorization is a fascinating application of AI for information restoration. The inherently ill-posed nature of the problem makes it even more challenging since the outputs could be multi-modal. The learning-based methods…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Himanshu Kumar , Abeer Banerjee , Sumeet Saurav , Sanjay Singh

Neural networks have proven their capabilities by outperforming many other approaches on regression or classification tasks on various kinds of data. Other astonishing results have been achieved using neural nets as data generators,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Andrej Junginger , Markus Hanselmann , Thilo Strauss , Sebastian Boblest , Jens Buchner , Holger Ulmer

Initializing optical flow field by either sparse descriptor matching or dense patch matches has been proved to be particularly useful for capturing large displacements. In this paper, we present a pyramidal gradient matching approach that…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Yuanwei Li

Scanning Electron Microscopy (SEM) is pivotal in revealing intricate micro- and nanoscale features across various research fields. However, obtaining high-resolution SEM images presents challenges, including prolonged scanning durations and…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Tom Reclik , Setareh Medghalchi , Philipp Schumacher , Maximilian Wollenweber , Talal Al-Samman , Sandra Korte-Kerzel , Ulrich Kerzel