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In general, it is straightforward to render an offline handwriting image from an online handwriting pattern. However, it is challenging to reconstruct an online handwriting pattern given an offline handwriting image, especially for…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Hung Tuan Nguyen , Tsubasa Nakamura , Cuong Tuan Nguyen , Masaki Nakagawa

Quantum noise is currently limiting efficient quantum information processing and computation. In this work, we consider the tasks of reconstructing and classifying quantum states corrupted by the action of an unknown noisy channel using…

Quantum Physics · Physics 2025-04-01 Angela Rosy Morgillo , Stefano Mangini , Marco Piastra , Chiara Macchiavello

Deep neural networks have been shown to be very powerful methods for many supervised learning tasks. However, they can also easily overfit to training set biases, i.e., label noise and class imbalance. While both learning with noisy labels…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Tong Wei , Jiang-Xin Shi , Yu-Feng Li , Min-Ling Zhang

We use Deep Neural Networks (DNNs) to classify and reconstruct a large database of handwritten digits from the intensity of the speckle patterns that result after the images propagated through multimode fibers (MMF). Images transmitted…

Optics · Physics 2018-08-21 Navid Borhani , Eirini Kakkava , Christophe Moser , Demetri Psaltis

We address the problem of restoring a high-resolution face image from a blurry low-resolution input. This problem is difficult as super-resolution and deblurring need to be tackled simultaneously. Moreover, existing algorithms cannot handle…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Yibing Song , Jiawei Zhang , Lijun Gong , Shengfeng He , Linchao Bao , Jinshan Pan , Qingxiong Yang , Ming-Hsuan Yang

In the task of image classification, usually, the network is sensitive to noises. For example, an image of cat with noises might be misclassified as an ostrich. Conventionally, to overcome the problem of noises, one uses the technique of…

Computer Vision and Pattern Recognition · Computer Science 2022-01-17 Yang Liu , Hai-Long Tu , Chi-Chun Zhou , Yi Liu , Fu-Lin Zhang

Interpreting a large number of neurons in deep learning is difficult. Our proposed `CLAssifier-DECoder' architecture (ClaDec) facilitates the understanding of the output of an arbitrary layer of neurons or subsets thereof. It uses a decoder…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Johannes Schneider , Michail Vlachos

We present a deep neural network to reduce coherent noise in three-dimensional quantitative phase imaging. Inspired by the cycle generative adversarial network, the denoising network was trained to learn a transform between two image…

Existing deep learning real denoising methods require a large amount of noisy-clean image pairs for supervision. Nonetheless, capturing a real noisy-clean dataset is an unacceptable expensive and cumbersome procedure. To alleviate this…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Yuanhao Cai , Xiaowan Hu , Haoqian Wang , Yulun Zhang , Hanspeter Pfister , Donglai Wei

Computer-generated graphics (CGs) are images generated by computer software. The~rapid development of computer graphics technologies has made it easier to generate photorealistic computer graphics, and these graphics are quite difficult to…

Multimedia · Computer Science 2018-04-26 Ye Yao , Weitong Hu , Wei Zhang , Ting Wu , Yun-Qing Shi

In this paper, an algorithm is proposed for Image Restoration. Such algorithm is different from the traditional approaches in this area, by utilizing priors that are learned from similar images. Original images and their degraded versions…

Computer Vision and Pattern Recognition · Computer Science 2010-03-25 Md. Imran Hossain , Syed Golam Rajib

Quantum noise fundamentally limits the utility of near-term quantum devices, making error mitigation essential for practical quantum computation. While traditional quantum error correction codes require substantial qubit overhead and…

Quantum Physics · Physics 2025-09-23 Karan Kendre

The vast work in Deep Learning (DL) has led to a leap in image denoising research. Most DL solutions for this task have chosen to put their efforts on the denoiser's architecture while maximizing distortion performance. However, distortion…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Guy Ohayon , Theo Adrai , Gregory Vaksman , Michael Elad , Peyman Milanfar

In this paper, we introduce robust and synergetic hand-crafted features and a simple but efficient deep feature from a convolutional neural network (CNN) architecture for defocus estimation. This paper systematically analyzes the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-01 Jinsun Park , Yu-Wing Tai , Donghyeon Cho , In So Kweon

The Bengali language is the 5th most spoken native and 7th most spoken language in the world, and Bengali handwritten character recognition has attracted researchers for decades. However, other languages such as English, Arabic, Turkey, and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Farhanul Haque , Md. Al-Hasan , Sumaiya Tabssum Mou , Abu Saleh Musa Miah , Jungpil Shin , Md Abdur Rahim

Today's available datasets in the wild, e.g., from social media and open platforms, present tremendous opportunities and challenges for deep learning, as there is a significant portion of tagged images, but often with noisy, i.e. erroneous,…

Machine Learning · Computer Science 2020-07-14 Amirmasoud Ghiassi , Robert Birke , Rui Han , Lydia Y. Chen

In deep learning (DL) systems, label noise in training datasets often degrades model performance, as models may learn incorrect patterns from mislabeled data. The area of Learning with Noisy Labels (LNL) has introduced methods to…

Machine Learning · Computer Science 2024-12-03 Gordon Lim , Stefan Larson , Kevin Leach

Semantic labeling (or pixel-level land-cover classification) in ultra-high resolution imagery (< 10cm) requires statistical models able to learn high level concepts from spatial data, with large appearance variations. Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2017-03-08 Michele Volpi , Devis Tuia

Convolutional neural network (CNN)-based image denoising methods typically estimate the noise component contained in a noisy input image and restore a clean image by subtracting the estimated noise from the input. However, previous…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Kaito Imai , Takamichi Miyata

Departing from traditional communication theory where decoding algorithms are assumed to perform without error, a system where noise perturbs both computational devices and communication channels is considered here. This paper studies…

Information Theory · Computer Science 2010-05-31 Lav R. Varshney