Search Results for author: Abhinau K. Venkataramanan

Found 10 papers, 2 papers with code

Joint Quality Assessment and Example-Guided Image Processing by Disentangling Picture Appearance from Content

no code implementations20 Apr 2024 Abhinau K. Venkataramanan, Cosmin Stejerean, Ioannis Katsavounidis, Hassene Tmar, Alan C. Bovik

The deep learning revolution has strongly impacted low-level image processing tasks such as style/domain transfer, enhancement/restoration, and visual quality assessments.

Representation Learning Tone Mapping

Cut-FUNQUE: An Objective Quality Model for Compressed Tone-Mapped High Dynamic Range Videos

no code implementations20 Apr 2024 Abhinau K. Venkataramanan, Cosmin Stejerean, Ioannis Katsavounidis, Hassene Tmar, Alan C. Bovik

High Dynamic Range (HDR) videos have enjoyed a surge in popularity in recent years due to their ability to represent a wider range of contrast and color than Standard Dynamic Range (SDR) videos.

Tone Mapping

Subjective Quality Assessment of Compressed Tone-Mapped High Dynamic Range Videos

no code implementations22 Mar 2024 Abhinau K. Venkataramanan, Alan C. Bovik

We demonstrate the usefulness of the new subjective database by benchmarking objective models of visual quality on it.

Benchmarking Tone Mapping

A FUNQUE Approach to the Quality Assessment of Compressed HDR Videos

no code implementations13 Dec 2023 Abhinau K. Venkataramanan, Cosmin Stejerean, Ioannis Katsavounidis, Alan C. Bovik

Recent years have seen steady growth in the popularity and availability of High Dynamic Range (HDR) content, particularly videos, streamed over the internet.

Joint Deep Image Restoration and Unsupervised Quality Assessment

no code implementations27 Nov 2023 Hakan Emre Gedik, Abhinau K. Venkataramanan, Alan C. Bovik

Deep learning techniques have revolutionized the fields of image restoration and image quality assessment in recent years.

Image Quality Assessment Image Restoration

Quality Modeling Under A Relaxed Natural Scene Statistics Model

no code implementations26 Nov 2023 Abhinau K. Venkataramanan, Alan C. Bovik

Information-theoretic image quality assessment (IQA) models such as Visual Information Fidelity (VIF) and Spatio-temporal Reduced Reference Entropic Differences (ST-RRED) have enjoyed great success by seamlessly integrating natural scene statistics (NSS) with information theory.

Image Quality Assessment

Edge-Aware Image Color Appearance and Difference Modeling

no code implementations20 Apr 2023 Abhinau K. Venkataramanan

The perception of color is one of the most important aspects of human vision.

One Transform To Compute Them All: Efficient Fusion-Based Full-Reference Video Quality Assessment

no code implementations6 Apr 2023 Abhinau K. Venkataramanan, Cosmin Stejerean, Ioannis Katsavounidis, Alan C. Bovik

The Visual Multimethod Assessment Fusion (VMAF) algorithm has recently emerged as a state-of-the-art approach to video quality prediction, that now pervades the streaming and social media industry.

Computational Efficiency Video Compression +1

FUNQUE: Fusion of Unified Quality Evaluators

2 code implementations23 Feb 2022 Abhinau K. Venkataramanan, Cosmin Stejerean, Alan C. Bovik

Fusion-based quality assessment has emerged as a powerful method for developing high-performance quality models from quality models that individually achieve lower performances.

SSIM

A Hitchhiker's Guide to Structural Similarity

1 code implementation16 Jan 2021 Abhinau K. Venkataramanan, Chengyang Wu, Alan C. Bovik, Ioannis Katsavounidis, Zafar Shahid

The Structural Similarity (SSIM) Index is a very widely used image/video quality model that continues to play an important role in the perceptual evaluation of compression algorithms, encoding recipes and numerous other image/video processing algorithms.

MS-SSIM SSIM

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