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The ability to describe images with natural language sentences is the hallmark for image and language understanding. Such a system has wide ranging applications such as annotating images and using natural sentences to search for images.In…

Machine Learning · Computer Science 2016-01-15 Afroze Ibrahim Baqapuri

Image enhancement models for mobile devices often struggle to balance high output quality with the fast processing speeds required by mobile hardware. While recent deep learning models can enhance low-quality mobile photos into high-quality…

Artificial Intelligence · Computer Science 2026-04-24 Dat To-Thanh , Nghia Nguyen-Trong , Hoang Vo , Hieu Bui-Minh , Tinh-Anh Nguyen-Nhu

This paper introduces and analyzes a search and retrieval model that adopts key semantic communication principles from retrieval-augmented generation. We specifically present an information-theoretic analysis of a remote document retrieval…

Information Retrieval · Computer Science 2025-07-17 Sara Ghasvarianjahromi , Yauhen Yakimenka , Jörg Kliewer

This is to present a text image classifier device that identifies textual content in images and then categorizes each image into one of four predefined categories, including Invoice, Form, Letter, or Report. The device supports a gallery…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Aya Kaysan Bahjat

Images captured from the real world are often affected by different types of noise, which can significantly impact the performance of Computer Vision systems and the quality of visual data. This study presents a novel approach for defect…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Mohsen Hami , Mahdi JameBozorg

Pixel binning is considered one of the most prominent solutions to tackle the hardware limitation of smartphone cameras. Despite numerous advantages, such an image sensor has to appropriate an artefact-prone non-Bayer colour filter array…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 SMA Sharif , Rizwan Ali Naqvi , Mithun Biswas

Image restoration is very crucial computer vision task. This paper describes two novel methods for the restoration of old degraded handwritten documents using deep neural network. In addition to that, a small-scale dataset of 26 heritage…

Computer Vision and Pattern Recognition · Computer Science 2020-01-27 Mayank Wadhwani , Debapriya Kundu , Deepayan Chakraborty , Bhabatosh Chanda

The inherent noise in the observed (e.g., scanned) binary document image degrades the image quality and harms the compression ratio through breaking the pattern repentance and adding entropy to the document images. In this paper, we design…

Computer Vision and Pattern Recognition · Computer Science 2017-04-25 Yandong Guo , Cheng Lu , Jan P. Allebach , Charles A. Bouman

In the present paper, we propose a source camera identification method for mobile devices based on deep learning. Recently, convolutional neural networks (CNNs) have shown a remarkable performance on several tasks such as image recognition,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-25 David Freire-Obregón , Fabio Narducci , Silvio Barra , Modesto Castrillón-Santana

Classifying a visual concept merely from its associated online textual source, such as a Wikipedia article, is an attractive research topic in zero-shot learning because it alleviates the burden of manually collecting semantic attributes.…

Computer Vision and Pattern Recognition · Computer Science 2016-04-06 Ruizhi Qiao , Lingqiao Liu , Chunhua Shen , Anton van den Hengel

Deep learning-based methods have made impressive progress in enhancing extremely low-light images - the image quality of the reconstructed images has generally improved. However, we found out that most of these methods could not…

Image and Video Processing · Electrical Eng. & Systems 2022-04-05 Pohao Hsu , Che-Tsung Lin , Chun Chet Ng , Jie-Long Kew , Mei Yih Tan , Shang-Hong Lai , Chee Seng Chan , Christopher Zach

Existing compression methods typically focus on the removal of signal-level redundancies, while the potential and versatility of decomposing visual data into compact conceptual components still lack further study. To this end, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Jianhui Chang , Zhenghui Zhao , Chuanmin Jia , Shiqi Wang , Lingbo Yang , Qi Mao , Jian Zhang , Siwei Ma

High levels of noise usually exist in today's captured images due to the relatively small sensors equipped in the smartphone cameras, where the noise brings extra challenges to lossy image compression algorithms. Without the capacity to…

Image and Video Processing · Electrical Eng. & Systems 2022-07-25 Ka Leong Cheng , Yueqi Xie , Qifeng Chen

In the big data era, the impetus to digitize the vast reservoirs of data trapped in unstructured scanned documents such as invoices, bank documents and courier receipts has gained fresh momentum. The scanning process often results in the…

Computer Vision and Pattern Recognition · Computer Science 2019-02-01 Monika Sharma , Abhishek Verma , Lovekesh Vig

Machine learning algorithms, in conjunction with user data, hold the promise of revolutionizing the way we interact with our phones, and indeed their widespread adoption in the design of apps bear testimony to this promise. However,…

Computer Vision and Pattern Recognition · Computer Science 2015-12-10 Jorge Ortiz , Chien-Chin Huang , Supriyo Chakraborty

Image denoising is an important pre-processing step in medical image analysis. Different algorithms have been proposed in past three decades with varying denoising performances. More recently, having outperformed all conventional methods,…

Computer Vision and Pattern Recognition · Computer Science 2017-02-21 Lovedeep Gondara

Storage systems have a strong need for substantially improving their error correction capabilities, especially for long-term storage where the accumulating errors can exceed the decoding threshold of error-correcting codes (ECCs). In this…

Information Theory · Computer Science 2018-11-12 Pulakesh Upadhyaya , Anxiao , Jiang

Image denoising is always a challenging task in the field of computer vision and image processing. In this paper, we have proposed an encoder-decoder model with direct attention, which is capable of denoising and reconstruct highly…

Machine Learning · Statistics 2018-01-17 Kazi Nazmul Haque , Mohammad Abu Yousuf , Rajib Rana

Recently, image enhancement and restoration have become important applications on mobile devices, such as super-resolution and image deblurring. However, most state-of-the-art networks present extremely high computational complexity. This…

Low-light images captured in the real world are inevitably corrupted by sensor noise. Such noise is spatially variant and highly dependent on the underlying pixel intensity, deviating from the oversimplified assumptions in conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Zeyuan Chen , Yifan Jiang , Dong Liu , Zhangyang Wang