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Deep learning algorithms for connectomics rely upon localized classification, rather than overall morphology. This leads to a high incidence of erroneously merged objects. Humans, by contrast, can easily detect such errors by acquiring…

Computer Vision and Pattern Recognition · Computer Science 2017-06-01 David Rolnick , Yaron Meirovitch , Toufiq Parag , Hanspeter Pfister , Viren Jain , Jeff W. Lichtman , Edward S. Boyden , Nir Shavit

Recently, the state-of-art models for medical image segmentation is U-Net and their variants. These networks, though succeeding in deriving notable results, ignore the practical problem hanging over the medical segmentation field:…

Image and Video Processing · Electrical Eng. & Systems 2025-01-07 Hao Ziang , Jingsi Zhang , Lixian Li

3D semantic scene completion and 2D semantic segmentation are two tightly correlated tasks that are both essential for indoor scene understanding, because they predict the same semantic classes, using positively correlated high-level…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Jie Li , Laiyan Ding , Rui Huang

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

Training state-of-the-art (SOTA) deep models often requires extensive data, resulting in substantial training and storage costs. To address these challenges, dataset condensation has been developed to learn a small synthetic set that…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Hansong Zhang , Shikun Li , Pengju Wang , Dan Zeng , Shiming Ge

Medical image segmentation is a difficult but important task for many clinical operations such as cardiac bi-ventricular volume estimation. More recently, there has been a shift to utilizing deep learning and fully convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2020-03-17 Jesse Sun , Fatemeh Darbehani , Mark Zaidi , Bo Wang

In recent years, continuous latent space (CLS) and discrete latent space (DLS) deep learning models have been proposed for medical image analysis for improved performance. However, these models encounter distinct challenges. CLS models…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Vandan Gorade , Sparsh Mittal , Debesh Jha , Ulas Bagci

Data scarcity is common in deep learning models for medical image segmentation. Previous works proposed multi-dataset learning, either simultaneously or via transfer learning to expand training sets. However, medical image datasets have…

Image and Video Processing · Electrical Eng. & Systems 2022-11-30 Siyu Liu , Wei Dai , Craig Engstrom , Jurgen Fripp , Stuart Crozier , Jason A. Dowling , Shekhar S. Chandra

Automatic lesion detection and segmentation from [${}^{18}$F]FDG PET/CT scans is a challenging task, due to the diversity of shapes, sizes, FDG uptake and location they may present, besides the fact that physiological uptake is also present…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Yamila Rotstein Habarnau , Mauro Namías

Semantic segmentation and semantic edge detection can be seen as two dual problems with close relationships in computer vision. Despite the fast evolution of learning-based 3D semantic segmentation methods, little attention has been drawn…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Zeyu Hu , Mingmin Zhen , Xuyang Bai , Hongbo Fu , Chiew-lan Tai

Over half a million individuals are diagnosed with head and neck cancer each year worldwide. Radiotherapy is an important curative treatment for this disease, but it requires manual time consuming delineation of radio-sensitive organs at…

3D shape representation and its processing have substantial effects on 3D shape recognition. The polygon mesh as a 3D shape representation has many advantages in computer graphics and geometry processing. However, there are still some…

Computer Vision and Pattern Recognition · Computer Science 2022-05-12 Mohsen Yavartanoo , Shih-Hsuan Hung , Reyhaneh Neshatavar , Yue Zhang , Kyoung Mu Lee

This study investigates a 3D and fully convolutional neural network (CNN) for subcortical brain structure segmentation in MRI. 3D CNN architectures have been generally avoided due to their computational and memory requirements during…

Computer Vision and Pattern Recognition · Computer Science 2017-04-21 J. Dolz , C. Desrosiers , I. Ben Ayed

Purpose: To develop an open-source, fully-automatic deep learning algorithm, DeepGPET, for choroid region segmentation in optical coherence tomography (OCT) data. Methods: We used a dataset of 715 OCT B-scans (82 subjects, 115 eyes) from 3…

Motivation: 3D neuron segmentation is a key step for the neuron digital reconstruction, which is essential for exploring brain circuits and understanding brain functions. However, the fine line-shaped nerve fibers of neuron could spread in…

Image and Video Processing · Electrical Eng. & Systems 2021-11-09 Qiufu Li , Linlin Shen

Semantic segmentation has emerged as a pivotal area of study in computer vision, offering profound implications for scene understanding and elevating human-machine interactions across various domains. While 2D semantic segmentation has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Aditya Krishnan , Jayneel Vora , Prasant Mohapatra

3D to 2D retinal vessel segmentation is a challenging problem in Optical Coherence Tomography Angiography (OCTA) images. Accurate retinal vessel segmentation is important for the diagnosis and prevention of ophthalmic diseases. However,…

Image and Video Processing · Electrical Eng. & Systems 2021-12-17 Zhuojie Wu , Zijian Wang , Wenxuan Zou , Fan Ji , Hao Dang , Wanting Zhou , Muyi Sun

Knowledge of 3D properties of objects is a necessity in order to build effective computer vision systems. However, lack of large scale 3D datasets can be a major constraint for data-driven approaches in learning such properties. We consider…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Navaneet K L , Priyanka Mandikal , Mayank Agarwal , R. Venkatesh Babu

State-of-the-art models on contemporary 3D segmentation benchmarks like ScanNet consume and label dataset-provided 3D point clouds, obtained through post processing of sensed multiview RGB-D images. They are typically trained in-domain,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Ayush Jain , Pushkal Katara , Nikolaos Gkanatsios , Adam W. Harley , Gabriel Sarch , Kriti Aggarwal , Vishrav Chaudhary , Katerina Fragkiadaki

Motivated by the increasing popularity of attention mechanisms, we observe that popular convolutional (conv.) attention models like Squeeze-and-Excite (SE) and Convolutional Block Attention Module (CBAM) rely on expensive multi-layer…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Majedaldein Almahasneh , Xianghua Xie , Adeline Paiement