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Providing wireless users with high-quality video content has become increasingly important. However, ensuring consistent video quality poses challenges due to variable encoded bitrate caused by dynamic video content and fluctuating channel…

Networking and Internet Architecture · Computer Science 2023-10-12 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

We present Multiscale Vision Transformers (MViT) for video and image recognition, by connecting the seminal idea of multiscale feature hierarchies with transformer models. Multiscale Transformers have several channel-resolution scale…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Haoqi Fan , Bo Xiong , Karttikeya Mangalam , Yanghao Li , Zhicheng Yan , Jitendra Malik , Christoph Feichtenhofer

Video generation models often operate under the assumption of fixed frame rates, which leads to suboptimal performance when it comes to handling flexible frame rates (e.g., increasing the frame rate of the more dynamic portion of the video…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Sunghyun Park , Kangyeol Kim , Junsoo Lee , Jaegul Choo , Joonseok Lee , Sookyung Kim , Edward Choi

Video compression is a central feature of the modern internet powering technologies from social media to video conferencing. While video compression continues to mature, for many compression settings, quality loss is still noticeable. These…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Max Ehrlich , Jon Barker , Namitha Padmanabhan , Larry Davis , Andrew Tao , Bryan Catanzaro , Abhinav Shrivastava

We present an efficient finetuning methodology for neural-network filters which are applied as a postprocessing artifact-removal step in video coding pipelines. The fine-tuning is performed at encoder side to adapt the neural network to the…

Image and Video Processing · Electrical Eng. & Systems 2020-08-14 Yat-Hong Lam , Alireza Zare , Francesco Cricri , Jani Lainema , Miska Hannuksela

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…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Yeongwoong Kim , Hyewon Jeong , Janghyun Yu , Younhee Kim , Jooyoung Lee , Se Yoon Jeong , Hui Yong Kim

Today, according to the Cisco Annual Internet Report (2018-2023), the fastest-growing category of Internet traffic is machine-to-machine communication. In particular, machine-to-machine communication of images and videos represents a new…

Image and Video Processing · Electrical Eng. & Systems 2021-10-14 Nam Le , Honglei Zhang , Francesco Cricri , Ramin Ghaznavi-Youvalari , Hamed Rezazadegan Tavakoli , Esa Rahtu

Video Coding for Machines (VCM) is committed to bridging to an extent separate research tracks of video/image compression and feature compression, and attempts to optimize compactness and efficiency jointly from a unified perspective of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Wenhan Yang , Haofeng Huang , Yueyu Hu , Ling-Yu Duan , Jiaying Liu

Vision-language models (VLMs) are typically composed of a vision encoder, e.g. CLIP, and a language model (LM) that interprets the encoded features to solve downstream tasks. Despite remarkable progress, VLMs are subject to several…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Oğuzhan Fatih Kar , Alessio Tonioni , Petra Poklukar , Achin Kulshrestha , Amir Zamir , Federico Tombari

With the ongoing advancement of video technology and the emergence of new video platforms, suppliers of video contents are striving to ensure that the video quality meets the desire of consumers. Accessing a limited amount of channel…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Masoumeh Farhadi Nia

The video technology scenery has been very vivid over the past years, with novel video coding technologies introduced that promise improved compression performance over state-of-the-art technologies. Despite the fact that a lot of video…

Image and Video Processing · Electrical Eng. & Systems 2022-04-13 Angeliki V. Katsenou , Fan Zhang , Mariana Afonso , Goce Dimitrov , David R. Bull

Video quality assessment (VQA) remains an important and challenging problem that affects many applications at the widest scales. Recent advances in mobile devices and cloud computing techniques have made it possible to capture, process, and…

Image and Video Processing · Electrical Eng. & Systems 2022-01-06 Qi Zheng , Zhengzhong Tu , Pavan C. Madhusudana , Xiaoyang Zeng , Alan C. Bovik , Yibo Fan

The promising improvement in compression efficiency of Versatile Video Coding (VVC) compared to High Efficiency Video Coding (HEVC) comes at the cost of a non-negligible encoder side complexity. The largely increased complexity overhead is…

Multimedia · Computer Science 2023-12-19 Yiqun Liu , Mohsen Abdoli , Thomas Guionnet , Christine Guillemot , Aline Roumy

Real-time video streaming relies on rate control mechanisms to adapt video bitrate to network capacity while maintaining high utilization and low delay. However, the current video rate controllers, such as Google Congestion Control (GCC),…

Networking and Internet Architecture · Computer Science 2024-02-27 Pantea Karimi , Sadjad Fouladi , Vibhaalakshmi Sivaraman , Mohammad Alizadeh

While the BD-rate performance of recent learned video codec models in both low-delay and random-access modes exceed that of respective modes of traditional codecs on average over common benchmarks, the performance improvements for…

Image and Video Processing · Electrical Eng. & Systems 2025-10-13 Ahmet Bilican , M. Akın Yılmaz , A. Murat Tekalp

Deep learning is overwhelmingly dominant in the field of computer vision and image/video processing for the last decade. However, for image and video compression, it lags behind the traditional techniques based on discrete cosine transform…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Honglei Zhang , Francesco Cricri , Hamed Rezazadegan Tavakoli , Emre Aksu , Miska M. Hannuksela

Bit depth adaptation, where the bit depth of a video sequence is reduced before transmission and up-sampled during display, can potentially reduce data rates with limited impact on perceptual quality. In this context, we conducted a…

Image and Video Processing · Electrical Eng. & Systems 2021-09-17 Alex Mackin , Di Ma , Fan Zhang , David Bull

Despite exciting recent results showing vision-language systems' capacity to reason about images using natural language, their capacity for video reasoning remains under-explored. We motivate framing video reasoning as the sequential…

Computation and Language · Computer Science 2023-11-10 Vaishnavi Himakunthala , Andy Ouyang , Daniel Rose , Ryan He , Alex Mei , Yujie Lu , Chinmay Sonar , Michael Saxon , William Yang Wang

HTTP Adaptive Streaming (HAS) is a widely adopted method for delivering video content over the Internet, requiring each video to be encoded at multiple bitrates and resolution pairs, known as representations, to adapt to various network…

Multimedia · Computer Science 2025-03-04 Kamran Qureshi , Hadi Amirpour , Christian Timmerer

Due to differences in frame structure, existing multi-rate video encoding algorithms cannot be directly adapted to encoders utilizing special reference frames such as AV1 without introducing substantial rate-distortion loss. To tackle this…

Multimedia · Computer Science 2018-07-30 Bichuan Guo , Xinyao Chen , Jiawen Gu , Yuxing Han , Jiangtao Wen
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