9 accepted papers
Point cloud quality assessment (PCQA) is essential for reliable 3D visual applications. While point-based methods face challenges in characterizing distortions due to point cloud disorder, projection-based approaches offer better efficiency but suffer from geometric distortion insensitivity and text
We present UGround, a **U**nified visual **Ground**ing paradigm that dynamically selects intermediate layers across **U**nrolled transformers as "mask as prompt'', diverging from the prevailing pipeline that leverages the fixed last hidden layer as "$\texttt{\}$ as prompt''. UGround addresses two pr…
Inconsistency of distributions in human actions and camera viewpoints can lead to significant deviations when the pre-trained 3D pose estimators are tested on cross-datasets. In practical applications, the estimators usually follow the standard full fine-tuning paradigm on the target dataset, which…
The research and development of dense crowd detection technology have always been one of the hot and challenging topics in the field of computer vision. DETR-like models have shown good performance in both training efficiency and inference capabilities. Nevertheless, as the optimization proceeds, th…
Predicting human motion requires addressing dependencies and errors for pose forecasting from sequences. The transformer’s self-attention aids this, but its complexity poses computational challenges. We present an efficient DeformMLP network without self-attention, using fully connected layers. Defo…
In video-based point cloud compression (V-PCC), point clouds are generated as videos via patch projection to be compressed using video coding techniques. However, a large number of filled empty pixels in the videos creates a fake context, which reduces the noise prediction accuracy in compression ar…
Recently, some studies have shown that semantic and distortion representations both benefit the evaluation of image quality. However, the images of existing synthetic distortion databases are annotated with subjective quality scores and distortion types, lacking labels with semantic objects. Therefo…
The human vision system is highly adapted to extract structural information from the viewed scenes. The irregularity of point clouds makes the extraction of structural information containing both color and geometry an important challenge for point cloud quality assessment (PCQA). This paper proposes…
With the development of perceptual image encryption techniques, visual security evaluations of perceptually encrypted images have gained much attention. Current visual security indices isolate neither global nor local visual security evaluations. They ignore the fact that humans can reorganize parti…