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Author:

Liu, Chang (Liu, Chang.) | Jia, Kebin (Jia, Kebin.) (Scholars:贾克斌)

Indexed by:

EI Scopus SCIE

Abstract:

Video quality is essential for many consumer electronic devices. However, existing quality enhancement methods do not pay enough attention to the video characteristics. The success of artificial intelligence (AI) can help improve the quality of compressed video. In this paper, we perform an analysis of compressed video. Based on this, we propose utilizing multi-frame information as input and using two adjacent high-quality frames to enhance the low-quality frames in between. Therefore, an efficient Multi-Frame Quality Recovery (MFQR) method is proposed. In MFQR, we first develop a forward feature extraction module to extract information from multi-frame input. Then, a bidirectional time information extraction module, consisting of a Bi-directional Long-Short Time Memory (Bi-LSTM) structure and channel attention mechanism, is developed to capture bi-directional temporal information and enhance spatiotemporal information expression of features. Finally, we construct a residual feature enhancement module to improve model performance. Extensive experiment results show that the proposed MFQR method achieves an average increase of 27% in PSNR and reduces the number of parameters by an average of 23% than the representative methods.

Keyword:

Consumer electronics Quality assessment Quantization (signal) Encoding Video recording Compressed video quality recovery multi-frame Bi-LSTM Convolution Feature extraction

Author Community:

  • [ 1 ] [Liu, Chang]Nantong Univ, Res Ctr Intelligent Informat Technol, Nantong 226019, Peoples R China
  • [ 2 ] [Jia, Kebin]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Liu, Chang]Nantong Univ, Res Ctr Intelligent Informat Technol, Nantong 226019, Peoples R China

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Source :

IEEE TRANSACTIONS ON CONSUMER ELECTRONICS

ISSN: 0098-3063

Year: 2024

Issue: 3

Volume: 70

Page: 6354-6362

4 . 3 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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