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No-reference quality assessment of highly compressed video sequences

2013 IEEE 15th International Workshop on Multimedia Signal Processing (MMSP), 2013
In this paper we present a no-reference quality assessment algorithm for highly compressed H.264 videos. By analyzing the spatio-temporal artifacts and their effect on perceived visual quality we produced an array of viable predictors of quality. Using a feature selection method a small sub-set of features, each applied to a specific artefact-domain ...
Martin D. Dimitrievski   +1 more
openaire   +1 more source

Efficient Full-Reference Assessment of Image and Video Quality

2007 IEEE International Conference on Image Processing, 2007
Automatic quality assessment of digital pictures is a crucial issue in several image and video processing applications including broadcasting, archiving, or restoration. The visibility of impairments related to digital image processing systems is subject to the spatio-temporal properties of the given image or video content.
Patrick Ndjiki-Nya   +2 more
openaire   +1 more source

A no-reference video quality assessment metric based on ROI

SPIE Proceedings, 2015
A no reference video quality assessment metric based on the region of interest (ROI) was proposed in this paper. In the metric, objective video quality was evaluated by integrating the quality of two compressed artifacts, i.e. blurring distortion and blocking distortion.
Lixiu Jia   +3 more
openaire   +1 more source

Deep Neural Networks for No-Reference Video Quality Assessment

2019 IEEE International Conference on Image Processing (ICIP), 2019
Video quality assessment (VQA) is a challenging task due to the complexity of modeling perceived quality characteristics in both spatial and temporal domains. A novel no-reference (NR) video quality metric (VQM) is proposed in this paper based on two deep neural networks (NN), namely 3D convolution network (3D-CNN) and a recurrent NN composed of long ...
Junyong You, Jari Korhonen
openaire   +1 more source

No-reference video quality assessment by HEVC codec analysis

2015 Visual Communications and Image Processing (VCIP), 2015
This paper proposes a No-Reference (NR) Video Quality Assessment (VQA) method for videos subject to the distortion given by High Efficiency Video Coding (HEVC). The proposed assessment can be performed either as a Bitstream-Based (BB) method or as a Pixel-Based (PB).
Xin Huang 0004   +2 more
openaire   +1 more source

Reduced-reference perceptual quality assessment for video streaming

2015 IEEE International Conference on Image Processing (ICIP), 2015
We propose a perceptual video quality monitoring metric for streaming applications using the optical flow features. This approach is a reduced-reference pixel-based and relies only on the deviation of the optical flow of the corrupted frames. This techniques compares an optical flow descriptor from the corrupted frame against the descriptor obtained ...
Mohammed A. Aabed, Ghassan Al-Regib
openaire   +1 more source

No-Reference Video Quality Assessment using MPEG analysis

2013 Picture Coding Symposium (PCS), 2013
We present a method for No-Reference (NR) Video Quality Assessment (VQA) for decoded video without access to the bitstream. This is achieved by extracting and pooling features from a NR image quality assessment method used frame by frame. We also present methods to identify the video coding and estimate the video coding parameters for MPEG-2 and H.264 ...
Jacob Søgaard   +2 more
openaire   +1 more source

No-reference video quality assessment via feature learning

2014 IEEE International Conference on Image Processing (ICIP), 2014
In this paper, we propose a novel “Opinion Free” (OF) No-Reference Video Quality Assessment (NR-VQA) algorithm based on frame-level unsupervised feature learning and hysteresis temporal pooling. The system consists of three components: feature extraction with max-min pooling, frame quality prediction and temporal pooling. Frame level features are first
Jingtao Xu   +3 more
openaire   +1 more source

Full-reference video quality assessment on high-definition video content

2012 6th International Conference on Signal Processing and Communication Systems, 2012
The paper provided herein aims at investigating two state-of-the-art publicly available full-reference video quality assessment metrics, particularly with regard to high-definition video data. Concretely, we will concentrate on the performance of the Multi-Scale Structural Similarity index (MS-SSIM) and the NTIA General Video Quality Metric (VQM ...
Steffen Wulf, Udo Zölzer
openaire   +1 more source

Learning Based Hybrid No-Reference Video Quality Assessment of Compressed Videos

2019 IEEE International Symposium on Circuits and Systems (ISCAS), 2019
A near real-time no-reference video quality assessment method is proposed for videos encoded by H.264/AVC codec. A fully connected neural network is trained with features extracted from both bit-stream and pixel domains along with their respective subjective quality scores.
Yasamin Fazliani   +2 more
openaire   +1 more source

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