Zongju Peng
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View article: OF-NeRF: A Subjective Benchmark of Perceptual Quality Assessment for Outward-Facing NeRF Scenes with Multiple Distortions and Diverse Viewing Trajectories
OF-NeRF: A Subjective Benchmark of Perceptual Quality Assessment for Outward-Facing NeRF Scenes with Multiple Distortions and Diverse Viewing Trajectories Open
View article: Dynamic Obstacle Perception Technology for UAVs Based on LiDAR
Dynamic Obstacle Perception Technology for UAVs Based on LiDAR Open
With the widespread application of small quadcopter drones in the military and civilian fields, the security challenges they face are gradually becoming apparent. Especially in dynamic environments, the rapidly changing conditions make the…
View article: Vessel Safety Navigation Under the Influence of Antarctic Sea Ice
Vessel Safety Navigation Under the Influence of Antarctic Sea Ice Open
Antarctic navigation encounters substantial challenges due to the dynamic and perilous characteristics of sea ice, which pose threats to vessel safety and operational efficiency. Existing risk assessment methodologies frequently lack real-…
View article: A fast CU partition algorithm of ERP 360‐degree video based on deep learning
A fast CU partition algorithm of ERP 360‐degree video based on deep learning Open
This article proposes a deep‐learning‐based fast coding unit (CU) partition algorithm to reduce encoding time of equirectangular projection (ERP) 360‐degree videos in versatile video coding. First, an ERP 360‐degree dataset with ERP latitu…
View article: Underwater organisms detection algorithm based on multi‐scale perception and representation enhancement
Underwater organisms detection algorithm based on multi‐scale perception and representation enhancement Open
To address issues such as object‐background confusion and difficulties in multi‐scale object feature extraction in underwater scenarios, this article proposes an underwater organisms detection algorithm based on multi‐scale perception and …
View article: Light Field Spatial Super-Resolution Network Based on Spatial-Angular Asymmetry and Non-Local Correlation
Light Field Spatial Super-Resolution Network Based on Spatial-Angular Asymmetry and Non-Local Correlation Open
View article: Multiple Cross-Modal Complementation Network for Lightweight Rgb-D Salient Object Detection
Multiple Cross-Modal Complementation Network for Lightweight Rgb-D Salient Object Detection Open
View article: Exploring Focus and Depth-Induced Saliency Detection for Light Field
Exploring Focus and Depth-Induced Saliency Detection for Light Field Open
An abundance of features in the light field has been demonstrated to be useful for saliency detection in complex scenes. However, bottom-up saliency detection models are limited in their ability to explore light field features. In this pap…
View article: Intra Complexity Control Algorithm for VVC
Intra Complexity Control Algorithm for VVC Open
Versatile Video Coding (VVC) has advantages over High Efficiency Video Coding (HEVC); it can save nearly half of the bit rate and significantly improve the compression efficiency, but VVC’s coding complexity is extremely high. Therefore, V…
View article: Subjective quality assessment of synthesized videos for windowed six degrees of freedom video system
Subjective quality assessment of synthesized videos for windowed six degrees of freedom video system Open
For synthesized videos, view synthesis and compression are two main types of artefacts influencing the perceived quality. Moreover, vertical disparity co‐exists with horizontal disparity in windowed six degrees of freedom (6DoF) system, an…
View article: No-Reference Quality Assessment for 3D Synthesized Images Based on Visual-Entropy-Guided Multi-Layer Features Analysis
No-Reference Quality Assessment for 3D Synthesized Images Based on Visual-Entropy-Guided Multi-Layer Features Analysis Open
Multiview video plus depth is one of the mainstream representations of 3D scenes in emerging free viewpoint video, which generates virtual 3D synthesized images through a depth-image-based-rendering (DIBR) technique. However, the inaccurac…
View article: Blind Tone-Mapped Image Quality Assessment Based on Regional Sparse Response and Aesthetics
Blind Tone-Mapped Image Quality Assessment Based on Regional Sparse Response and Aesthetics Open
High dynamic range (HDR) images give a strong disposition to capture all parts of natural scene information due to their wider brightness range than traditional low dynamic range (LDR) images. However, to visualize HDR images on common LDR…
View article: Blind Mesh Assessment Based on Graph Spectral Entropy and Spatial Features
Blind Mesh Assessment Based on Graph Spectral Entropy and Spatial Features Open
With the wide applications of three-dimensional (3D) meshes in intelligent manufacturing, digital animation, virtual reality, digital cities and other fields, more and more processing techniques are being developed for 3D meshes, including…
View article: Blind quality assessment for 3D synthesised video with binocular asymmetric distortion
Blind quality assessment for 3D synthesised video with binocular asymmetric distortion Open
During the process of watching 3D synthesised video (3D‐SV) and switching viewpoints, there is a case of asymmetric distortion, the left(right) viewpoint is a synthesised video generated by rendering technique, and the right(left) viewpoin…
View article: Perceptual Video Coding Scheme Using Just Noticeable Distortion Model Based on Entropy Filter
Perceptual Video Coding Scheme Using Just Noticeable Distortion Model Based on Entropy Filter Open
Because perceptual video coding (PVC) can reduce bitrates with negligible visual quality loss in video compression, a PVC scheme based on just noticeable distortion (JND) model is proposed for ultra-high definition video. Firstly, the prop…
View article: No-reference quality metric for high dynamic range imaging system based on curvature analysis in tensor domain
No-reference quality metric for high dynamic range imaging system based on curvature analysis in tensor domain Open
High dynamic range imaging systems can offer a more complete representation of scene, aiming to capture all brightness information of a visible range of scene, even in extreme lighting conditions.This paper proposes a no-reference quality …
View article: Hierarchical complexity control algorithm for HEVC based on coding unit depth decision
Hierarchical complexity control algorithm for HEVC based on coding unit depth decision Open
The next-generation High Efficiency Video Coding (HEVC) standard reduces the bit rate by 44% on average compared to the previous-generation H.264 standard, resulting in higher encoding complexity. To achieve normal video coding in power-co…
View article: Halo-Free Multi-Exposure Image Fusion Based on Sparse Representation of Gradient Features
Halo-Free Multi-Exposure Image Fusion Based on Sparse Representation of Gradient Features Open
Due to sharp changes in local brightness in high dynamic range scenes, fused images obtained by the traditional multi-exposure fusion methods usually have an unnatural appearance resulting from halo artifacts. In this paper, we propose a h…
View article: Bayesian-theory-based Fast CU Size and Mode Decision Algorithm for 3D-HEVC Depth Video Inter-coding
Bayesian-theory-based Fast CU Size and Mode Decision Algorithm for 3D-HEVC Depth Video Inter-coding Open
Multi-view video plus depth (MVD) is a mainstream format of 3D scene representation in free viewpoint video systems.The advanced 3D extension of the high efficiency video coding (3D-HEVC) standard introduces new prediction tools to improve…
View article: Efficient CU and PU Decision Based on Neural Network and Gray Level Co-Occurrence Matrix for Intra Prediction of Screen Content Coding
Efficient CU and PU Decision Based on Neural Network and Gray Level Co-Occurrence Matrix for Intra Prediction of Screen Content Coding Open
Screen content coding (SCC) significantly improves the screen content compression efficiency over the high efficient video coding but at the cost of extremely huge computational complexity. The flexible quad-tree coding unit (CU) partition…
View article: Blind Tone-Mapped Image Quality Assessment Based on Brightest/Darkest Regions, Naturalness and Aesthetics
Blind Tone-Mapped Image Quality Assessment Based on Brightest/Darkest Regions, Naturalness and Aesthetics Open
A tone-mapped image (TMI) converted from its high-dynamic-range image (HDRI) tends to appear overexposed in its brightest regions or underexposed in its darkest regions, resulting in inevitable loss of details and impaired naturalness and …
View article: Video quality assessment using motion-compensated temporal filtering and manifold feature similarity
Video quality assessment using motion-compensated temporal filtering and manifold feature similarity Open
Well-performed Video quality assessment (VQA) method should be consistent with human visual systems for better prediction accuracy. In this paper, we propose a VQA method using motion-compensated temporal filtering (MCTF) and manifold feat…
View article: Joint processing and fast encoding algorithm for multi-view depth video
Joint processing and fast encoding algorithm for multi-view depth video Open
The multi-view video plus depth format is the main representation of a three-dimensional (3D) scene. In the 3D extension of high-efficiency video coding (3D-HEVC), the main framework for depth video is similar to that of color video. Howev…