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相关论文: Light Field Image Coding Using VVC standard and Vi…

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Although deep learning based image compression methods have achieved promising progress these days, the performance of these methods still cannot match the latest compression standard Versatile Video Coding (VVC). Most of the recent…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Yueqi Xie , Ka Leong Cheng , Qifeng Chen

Light field imaging is limited in its computational processing demands of high sampling for both spatial and angular dimensions. Single-shot light field cameras sacrifice spatial resolution to sample angular viewpoints, typically by…

计算机视觉与模式识别 · 计算机科学 2018-02-07 Mayank Gupta , Arjun Jauhari , Kuldeep Kulkarni , Suren Jayasuriya , Alyosha Molnar , Pavan Turaga

Fine-grained image classification is a challenging task due to the large intra-class variance and small inter-class variance, aiming at recognizing hundreds of sub-categories belonging to the same basic-level category. Most existing…

计算机视觉与模式识别 · 计算机科学 2017-11-29 Xiangteng He , Yuxin Peng

This paper introduces a novel variational approach for image compression motivated by recent PDE-based approaches combining edge detection and Laplacian inpainting. The essential feature is to encode the image via a sparse vector field,…

最优化与控制 · 数学 2015-03-09 Eva-Maria Brinkmann , Martin Burger , Joana Grah

Frozen Large Video Language Models (LVLMs) are increasingly employed in micro-video recommendation due to their strong multimodal understanding. However, their integration lacks systematic empirical evaluation: practitioners typically…

信息检索 · 计算机科学 2026-05-06 Huatuan Sun , Yunshan Ma , Changguang Wu , Yanxin Zhang , Pengfei Wang , Xiaoyu Du

In-loop filtering is used in video coding to process the reconstructed frame in order to remove blocking artifacts. With the development of convolutional neural networks (CNNs), CNNs have been explored for in-loop filtering considering it…

图像与视频处理 · 电气工程与系统科学 2021-06-25 Jian Yue , Yanbo Gao , Shuai Li , Hui Yuan , Frédéric Dufaux

Light field image becomes one of the most promising media types for immersive video applications. In this paper, we propose a novel end-to-end spatial-angular-decorrelated network (SADN) for high-efficiency light field image compression.…

图像与视频处理 · 电气工程与系统科学 2022-02-23 Kedeng Tong , Xin Jin , Chen Wang , Fan Jiang

We propose in this paper a Quantized Distilled Low-Rank Neural Radiance Field (QDLR-NeRF) representation for the task of light field compression. While existing compression methods encode the set of light field sub-aperture images, our…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Jinglei Shi , Christine Guillemot

Coded aperture is a promising approach for capturing the 4-D light field (LF), in which the 4-D data are compressively modulated into 2-D coded measurements that are further decoded by reconstruction algorithms. The bottleneck lies in the…

图像与视频处理 · 电气工程与系统科学 2020-07-24 Mantang Guo , Junhui Hou , Jing Jin , Jie Chen , Lap-Pui Chau

Compression is an important task for many practical applications of light fields. Although previous work has proposed numerous methods for efficient light field compression, the effect of view selection on this task is not well exploited.…

图像与视频处理 · 电气工程与系统科学 2022-12-26 Yang Chen , Martin Alain , Aljosa Smolic

Recently, several approaches have emerged for generating neural representations with multiple levels of detail (LODs). LODs can improve the rendering by using lower resolutions and smaller model sizes when appropriate. However, existing…

计算机视觉与模式识别 · 计算机科学 2023-09-22 David Li , Brandon Y. Feng , Amitabh Varshney

Low-Light Video Enhancement (LLVE) seeks to restore dynamic or static scenes plagued by severe invisibility and noise. In this paper, we present an innovative video decomposition strategy that incorporates view-independent and…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Xiaogang Xu , Kun Zhou , Tao Hu , Jiafei Wu , Ruixing Wang , Hao Peng , Bei Yu

The proliferation of deep learning-based machine vision applications has given rise to a new type of compression, so called video coding for machine (VCM). VCM differs from traditional video coding in that it is optimized for machine vision…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Yeongwoong Kim , Hyewon Jeong , Janghyun Yu , Younhee Kim , Jooyoung Lee , Se Yoon Jeong , Hui Yong Kim

Existing multi-view image compression methods often rely on 2D projection-based similarities between views to estimate disparities. While effective for small disparities, such as those in stereo images, these methods struggle with the more…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Yujun Huang , Bin Chen , Niu Lian , Baoyi An , Shu-Tao Xia

Common capture low-light scenes are challenging for most computer vision techniques, including Neural Radiance Fields (NeRF). Vanilla NeRF is viewer-centred simplifies the rendering process only as light emission from 3D locations in the…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Ziteng Cui , Lin Gu , Xiao Sun , Xianzheng Ma , Yu Qiao , Tatsuya Harada

The introduction of multiple viewpoints in video scenes inevitably increases the bitrates required for storage and transmission. To reduce bitrates, researchers have developed methods to skip intermediate viewpoints during compression and…

图像与视频处理 · 电气工程与系统科学 2023-05-08 Chengdong Lan , Hao Yan , Cheng Luo , Tiesong Zhao

Video coding has traditionally been developed to support services such as video streaming, videoconferencing, digital TV, and so on. The main intent was to enable human viewing of the encoded content. However, with the advances in deep…

图像与视频处理 · 电气工程与系统科学 2024-11-19 Hadi Hadizadeh , Ivan V. Bajić

Light field (LF) cameras provide perspective information of scenes by taking directional measurements of the focusing light rays. The raw outputs are usually dark with additive camera noise, which impedes subsequent processing and…

计算机视觉与模式识别 · 计算机科学 2018-08-10 Jie Chen , Junhui Hou , Lap-Pui Chau

In this paper, we present an efficient and robust deep learning solution for novel view synthesis of complex scenes. In our approach, a 3D scene is represented as a light field, i.e., a set of rays, each of which has a corresponding color…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Zhong Li , Liangchen Song , Celong Liu , Junsong Yuan , Yi Xu

We propose a video compression framework using conditional Generative Adversarial Networks (GANs). We rely on two encoders: one that deploys a standard video codec and another which generates low-level maps via a pipeline of down-sampling,…

图像与视频处理 · 电气工程与系统科学 2018-11-28 Sungsoo Kim , Jin Soo Park , Christos G. Bampis , Jaeseong Lee , Mia K. Markey , Alexandros G. Dimakis , Alan C. Bovik