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Jianyu Lv

dblp:186/6923 · DBLP profile ↗
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2ranked-venue papers
1as first author
1since 2021 · last 2025
0009-0002-5417-0956ORCID · reported

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1Graphics, computer vision, multimedia, augmented reality and games · 1 · 1 first-author · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer graphics and multimedia
1 paper
Image and video coding · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Image and video coding › image quality assessment
no-reference quality assessment
0.912025
No-Reference Bitstream-Based Perceptual Quality Assessment of Octree-Lifting Encoded 3D Point Clouds · IEEE Trans. Vis. Comput. Graph. 2025
Image and video coding
point cloud compression
0.912025
No-Reference Bitstream-Based Perceptual Quality Assessment of Octree-Lifting Encoded 3D Point Clouds · IEEE Trans. Vis. Comput. Graph. 2025
Image and video coding
quality assessment
0.912025
No-Reference Bitstream-Based Perceptual Quality Assessment of Octree-Lifting Encoded 3D Point Clouds · IEEE Trans. Vis. Comput. Graph. 2025

Methods — techniques the papers use, named apart from their topics

texture distortion model · 0.9bitstream analysis · 0.9
YearPublicationVenuePosition
2025 No-Reference Bitstream-Based Perceptual Quality Assessment of Octree-Lifting Encoded 3D Point Clouds
abstract
No-reference point cloud quality assessment (PCQA) based on bitstreams uses information extracted from the bitstream for quality monitoring at network nodes. We develop a no-reference PCQA model based on bitstreams for the perceived quality assessment of Octree-Lifting coded point clouds. At first, our research explores the essential correlation between subjective visual quality degradation and the texture quantization parameter (TQP) when using lossless geometric coding. Then, we enhance the proposed model by incorporating texture complexity (TC) while taking into account the dependence of perceptual coding distortion on the texture characteristics of a point cloud. We estimate TC by utilizing TQP and calculating the average standard deviation of the Y-component of the attribute value ($Y\_ {std}$Y_std), both of which are extracted from the bitstream. Then, a texture distortion assessment model is constructed based on TQP and $Y\_ {std}$Y_std. The integration of the texture distortion model with the position quantization scale (PQS) results in the derivation of an overall no-reference bitstream-based PCQA model, named streamPCQ-OL. The findings from the conducted experiments highlight a significant superiority of the proposed model over existing approaches in terms of performance.
Jianyu Lv, Honglei Su, Qi Liu 0029, Hui Yuan 0001
IEEE Trans. Vis. Comput. Graph.1
2016 A Spectrum Allocation Algorithm Based on Optimization and Protection in Cognitive Radio Networks
Jianyu Lv, Xin Song 0002
ICONIP (4)2