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In this paper we address the problem of visual quality of images reconstructed from block-wise random projections. Independent reconstruction of the blocks can severely affect visual quality, by displaying artifacts along block borders. We…

Computer Vision and Pattern Recognition · Computer Science 2014-03-06 Giulio Coluccia , Diego Valsesia , Enrico Magli

Synthesizing realistic images from text descriptions on a dataset like Microsoft Common Objects in Context (MS COCO), where each image can contain several objects, is a challenging task. Prior work has used text captions to generate images.…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 Shikhar Sharma , Dendi Suhubdy , Vincent Michalski , Samira Ebrahimi Kahou , Yoshua Bengio

Automatic image description systems are commonly trained and evaluated using crowdsourced, human-generated image descriptions. The best-performing system is then determined using some measure of similarity to the reference data (BLEU,…

Computation and Language · Computer Science 2020-06-17 Emiel van Miltenburg

Generative models for image restoration, enhancement, and generation have significantly improved the quality of the generated images. Surprisingly, these models produce more pleasant images to the human eye than other methods, yet, they may…

Image and Video Processing · Electrical Eng. & Systems 2022-04-28 Marcos V. Conde , Maxime Burchi , Radu Timofte

In an earlier study, we gathered perceptual evaluations of the audio, video, and audiovisual quality for 360 audiovisual content. This paper investigates perceived audiovisual quality prediction based on objective quality metrics and…

Multimedia · Computer Science 2021-12-24 Randy Frans Fela , Nick Zacharov , Søren Forchhammer

This paper presents a video encoding method in which noise is encoded using a novel parametric model representing spectral envelope and spatial distribution of energy. The proposed method has been experimentally assessed using video test…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Olgierd Stankiewicz

Image caption rating is becoming increasingly important because computer-generated captions are used extensively for descriptive annotation. However, rating the accuracy of captions in describing images is time-consuming and subjective in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Kezia Minni , Qiang Zhang , Monoshiz Mahbub Khan , Zhe Yu

Convolutional neural networks rely on image texture and structure to serve as discriminative features to classify the image content. Image enhancement techniques can be used as preprocessing steps to help improve the overall image quality…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Vivek Sharma , Ali Diba , Davy Neven , Michael S. Brown , Luc Van Gool , Rainer Stiefelhagen

Deep learning based image segmentation methods have achieved great success, even having human-level accuracy in some applications. However, due to the black box nature of deep learning, the best method may fail in some situations. Thus…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Leixin Zhou , Wenxiang Deng , Xiaodong Wu

Image captioning is a multimodal problem that has drawn extensive attention in both the natural language processing and computer vision community. In this paper, we present a novel image captioning architecture to better explore semantics…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Zhan Shi , Xu Zhou , Xipeng Qiu , Xiaodan Zhu

Autoregressive models have shown remarkable success in image generation by adapting sequential prediction techniques from language modeling. However, applying these approaches to images requires discretizing continuous pixel data through…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Ziyao Guo , Kaipeng Zhang , Michael Qizhe Shieh

Bottleneck autoencoders have been actively researched as a solution to image compression tasks. However, we observed that bottleneck autoencoders produce subjectively low quality reconstructed images. In this work, we explore the ability of…

Computer Vision and Pattern Recognition · Computer Science 2018-01-25 Yijing Watkins , Mohammad Sayeh , Oleksandr Iaroshenko , Garrett Kenyon

Point cloud coding solutions have been recently standardized to address the needs of multiple application scenarios. The design and assessment of point cloud coding methods require reliable objective quality metrics to evaluate the level of…

Image and Video Processing · Electrical Eng. & Systems 2021-08-06 Alireza Javaheri , Catarina Brites , Fernando Pereira , João Ascenso

Image forgery is a topic that has been studied for many years. Before the breakthrough of deep learning, forged images were detected using handcrafted features that did not require training. These traditional methods failed to perform…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Eren Tahir , Mert Bal

In this paper, a novel perceptual image hashing scheme for color images is proposed based on ring-ribbon quadtree and color vector angle. First, original image is subjected to normalization and Gaussian low-pass filtering to produce a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Xinran Li , Chuan Qin , Zhenxing Qian , Heng Yao , Xinpeng Zhang

The use of machine learning (ML) methods for development of robust and flexible visual inspection system has shown promising. However their performance is highly dependent on the amount and diversity of training data. This is often…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Juraj Fulir , Natascha Jeziorski , Lovro Bosnar , Hans Hagen , Claudia Redenbach , Petra Gospodnetić , Tobias Herrfurth , Marcus Trost , Thomas Gischkat

Diagrams are widely used in teaching computer science courses. They are useful in subjects such as automata and formal languages, data structures, etc. These diagrams, often drawn by students during exams or assignments, vary in structure,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Ethan Young , Zichun Wang , Aiden Taylor , Chance Jewell , Julian Myers , Satya Sri Rajiteswari Nimmagadda , Anthony White , Aniruddha Maiti , Ananya Jana

With the increasing demand for image-based applications, the efficient and reliable evaluation of image quality has increased in importance. Measuring the image quality is of fundamental importance for numerous image processing…

Multimedia · Computer Science 2014-07-01 Pedram Mohammadi , Abbas Ebrahimi-Moghadam , Shahram Shirani

The goal of full-reference image quality assessment (FR-IQA) is to predict the quality of an image as perceived by human observers with using its pristine, reference counterpart. In this study, we explore a novel, combined approach which…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Domonkos Varga

Experiencing images with suitable music can greatly enrich the overall user experience. The proposed image analysis method treats an artwork image differently from a photograph image. Automatic image classification is performed using…

Multimedia · Computer Science 2021-05-18 Anant Baijal , Vivek Agarwal , Danny Hyun