activity
20182026
most citedA Hitchhiker's Guide to Structural Similarity

63 citations · 65 across the 14 of their papers we have counts for

collaborators

14 papers

cs.CV2026

Pixel Perfect: Relational Image Quality Assessment with Spatially-Aware Distortions

Fadeel Sher Khan, Long N. Le, Abhinau K. Venkataramanan +2

Traditional image quality assessment (IQA) methods rely on mean opinion scores (MOS), which are resource-intensive to collect and fail to provide interpretable, localized feedback…

eess.IV2026

DRIFT: Deep Restoration, ISP Fusion, and Tone-mapping

Soumendu Majee, Joshua Peter Ebenezer, Abhinau K. Venkataramanan +6

Smartphone cameras have gained immense popularity with the adoption of high-resolution and high-dynamic range imaging. As a result, high-performance camera Image Signal Processors…

eess.IV2026

GenMFSR: Generative Multi-Frame Image Restoration and Super-Resolution

Harshana Weligampola, Joshua Peter Ebenezer, Weidi Liu +4

Camera pipelines receive raw Bayer-format frames that need to be denoised, demosaiced, and often super-resolved. Multiple frames are captured to utilize natural hand tremors and en…

eess.IV2024

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

Abhinau K. Venkataramanan, Cosmin Stejerean, Ioannis Katsavounidis +2

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…

eess.IV2024

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

Abhinau K. Venkataramanan, Cosmin Stejerean, Ioannis Katsavounidis +2

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

eess.IV2024

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

Abhinau K. Venkataramanan, Alan C. Bovik

High Dynamic Range (HDR) videos are able to represent wider ranges of contrasts and colors than Standard Dynamic Range (SDR) videos, giving more vivid experiences. Due to this, HDR…

eess.IV2023

A FUNQUE Approach to the Quality Assessment of Compressed HDR Videos

Abhinau K. Venkataramanan, Cosmin Stejerean, Ioannis Katsavounidis +1

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

eess.IV2023

Joint Deep Image Restoration and Unsupervised Quality Assessment

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. While image restoration methods typically utilize synthet…

eess.IV2023

Quality Modeling Under A Relaxed Natural Scene Statistics Model

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 enjo…

eess.IV2023

Edge-Aware Image Color Appearance and Difference Modeling

Abhinau K. Venkataramanan

The perception of color is one of the most important aspects of human vision. From an evolutionary perspective, the accurate perception of color is crucial to distinguishing friend…

eess.IV2023★ 1 cited

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

Abhinau K. Venkataramanan, Cosmin Stejerean, Ioannis Katsavounidis +1

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 socia…

cs.CV2022★ 1 cited

FUNQUE: Fusion of Unified Quality Evaluators

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. A…

eess.IV2021★ 63 cited

A Hitchhiker's Guide to Structural Similarity

Abhinau K. Venkataramanan, Chengyang Wu, Alan C. Bovik +2

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 algorith…

cs.LG2018

Better Safe than Sorry: Evidence Accumulation Allows for Safe Reinforcement Learning

Akshat Agarwal, Abhinau Kumar, Kyle Dunovan +3

In the real world, agents often have to operate in situations with incomplete information, limited sensing capabilities, and inherently stochastic environments, making individual o…