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Data-driven methods have increasingly been applied to the development of optical systems as inexpensive and effective inverse design approaches. Optical properties (e.g., band-gap properties) of photonic crystals (PCs) are closely…

Optics · Physics 2022-02-01 Tao Zhan , Quan-Shan Liu , Lu Qiu , Yuan-Jie Sun , Tao Wen , Rui Zhang

We develop a novel optical neural network (ONN) framework which introduces a degree of scalar invariance to image classification estima- tion. Taking a hint from the human eye, which has higher resolution near the center of the retina,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Grant Fennessy , Yevgeniy Vorobeychik

Volumetric image segmentation with convolutional neural networks (CNNs) encounters several challenges, which are specific to medical images. Among these challenges are large volumes of interest, high class imbalances, and difficulties in…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Fabian Balsiger , Yannick Soom , Olivier Scheidegger , Mauricio Reyes

A simple, yet general, formalism for the optimized linear combination of astrophysical images is constructed and demonstrated. The formalism allows the user to combine multiple undersampled images to provide oversampled output at high…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 Barnaby Rowe , Christopher Hirata , Jason Rhodes

Driven by significant improvements in architectural design and training pipelines, computer vision has recently experienced dramatic progress in terms of accuracy on classic benchmarks such as ImageNet. These highly-accurate models are…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Denis Kuznedelev , Eldar Kurtic , Elias Frantar , Dan Alistarh

Neural Image Compression (NIC) has revolutionized image compression with its superior rate-distortion performance and multi-task capabilities, supporting both human visual perception and machine vision tasks. However, its widespread…

Image and Video Processing · Electrical Eng. & Systems 2025-06-19 Yufeng Zhang , Wenrui Dai , Hang Yu , Shizhan Liu , Junhui Hou , Jianguo Li , Weiyao Lin

Whole slide imaging provides a wide field-of-view (FOV) across cross-sections of biopsy or surgery samples, significantly facilitating pathological analysis and clinical diagnosis. Such high-quality images that enable detailed visualization…

Optics · Physics 2024-07-31 Shi Zhao , Haowen Zhou , Siyu Lin , Ruizhi Cao , Changhuei Yang

Monocular normal estimation for transparent objects is critical for laboratory automation, yet it remains challenging due to complex light refraction and reflection. These optical properties often lead to catastrophic failures in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Mingwei Li , Hehe Fan , Yi Yang

Emerging universal Computational Aberration Correction (CAC) paradigms provide an inspiring solution to light-weight and high-quality imaging with a universal model trained on a lens library (LensLib) to address arbitrary lens optical…

This work introduces pyramidal convolution (PyConv), which is capable of processing the input at multiple filter scales. PyConv contains a pyramid of kernels, where each level involves different types of filters with varying size and depth,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Ionut Cosmin Duta , Li Liu , Fan Zhu , Ling Shao

Convolutional Neural Networks (CNNs) can play a key role in Medical Image Analysis under large-scale annotated datasets. However, preparing such massive dataset is demanding. In this context, Generative Adversarial Networks (GANs) can…

Image and Video Processing · Electrical Eng. & Systems 2021-06-04 Changhee Han

Traditional image signal processing (ISP) pipeline consists of a set of individual image processing components onboard a camera to reconstruct a high-quality sRGB image from the sensor raw data. Due to the hand-crafted nature of the ISP…

Image and Video Processing · Electrical Eng. & Systems 2019-08-09 Zhetong Liang , Jianrui Cai , Zisheng Cao , Lei Zhang

Convolutional Neural Networks (CNNs) have been recently employed to solve problems from both the computer vision and medical image analysis fields. Despite their popularity, most approaches are only able to process 2D images while most…

Computer Vision and Pattern Recognition · Computer Science 2016-06-16 Fausto Milletari , Nassir Navab , Seyed-Ahmad Ahmadi

We introduce CAN, a simple, efficient and scalable method for self-supervised learning of visual representations. Our framework is a minimal and conceptually clean synthesis of (C) contrastive learning, (A) masked autoencoders, and (N) the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Shlok Mishra , Joshua Robinson , Huiwen Chang , David Jacobs , Aaron Sarna , Aaron Maschinot , Dilip Krishnan

Learning accurate and parsimonious point cloud representations of scene surfaces from scratch remains a challenge in 3D representation learning. Existing point-based methods often suffer from the vanishing gradient problem or require a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Yanshu Zhang , Shichong Peng , Alireza Moazeni , Ke Li

We propose a universal image reconstruction method to represent detailed images purely from binary sparse edge and flat color domain. Inspired by the procedures of painting, our framework, based on generative adversarial network, consists…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Sheng You , Ning You , Minxue Pan

Widespread clinical deployment of computer-aided diagnosis (CAD) systems is hindered by the challenge of integrating with existing hospital IT infrastructure. Here, we introduce VisionCAD, a vision-based radiological assistance framework…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Jiaming Li , Junlei Wu , Sheng Wang , Honglin Xiong , Jiangdong Cai , Zihao Zhao , Yitao Zhu , Yuan Yin , Dinggang Shen , Qian Wang

Segmenting curvilinear structures in medical images is essential for analyzing morphological patterns in clinical applications. Integrating topological properties, such as connectivity, improves segmentation accuracy and consistency.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Zhuangzhi Gao , Feixiang Zhou , He Zhao , Xiuju Chen , Xiaoxin Li , Qinkai Yu , Yitian Zhao , Alena Shantsila , Gregory Y. H. Lip , Eduard Shantsila , Yalin Zheng

Image inpainting aims at restoring missing region of corrupted images, which has many applications such as image restoration and object removal. However, current GAN-based inpainting models fail to explicitly consider the semantic…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Ang Li , Jianzhong Qi , Rui Zhang , Ramamohanarao Kotagiri

Developing a reliable and practical face recognition system is a long-standing goal in computer vision research. Existing literature suggests that pixel-wise face alignment is the key to achieve high-accuracy face recognition. By assuming a…

Computer Vision and Pattern Recognition · Computer Science 2015-01-21 Yuting Zhang , Kui Jia , Yueming Wang , Gang Pan , Tsung-Han Chan , Yi Ma