2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

Imaging Without Borders

2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

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Paper Detail

Paper IDARS-4.6
Paper Title ADVERSARIAL CROSS-SCALE ALIGNMENT PURSUIT FOR SERIOUSLY MISALIGNED PERSON RE-IDENTIFICATION
Authors Yuanhang He, Hua Yang, Lin Chen, Shanghai Jiao Tong University, China
SessionARS-4: Re-Identification and Retrieval
LocationArea I
Session Time:Wednesday, 22 September, 08:00 - 09:30
Presentation Time:Wednesday, 22 September, 08:00 - 09:30
Presentation Poster
Topic Image and Video Analysis, Synthesis, and Retrieval: Image & Video Synthesis, Rendering, and Visualization
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract Person re-identification is still a challenging task in actual application due to serious misalignment caused by large scale variation, serious occlusion, or variably truncated body. Conventional holistic methods usually lack the cross-scale aligning ability. Segmentation-based partial methods achieve better aligning performance but generally suffer from the instability of part segmentation. To explicitly address these issues, we define the seriously misaligned Re-ID task and propose a novel framework called adversarial cross-scale alignment pursuit (ACSAP). Instead of dynamically segmenting the feature map for part alignment, the model incorporates the stability of holistic methods and adversarially generates aligned feature maps for similarity metrics. Especially, the spatial reconstruction (SR) module in the generator is proposed for feature filtering and aligning. Then a part visibility calculation (PVC) algorithm is proposed to distinguish the credibility of different generated areas. We propose a novel dataset called Seriously-Misaligned-REID and achieve 10.0% rank-1 outperformance compared to state-of-the-art methods on it. Extensive performance results demonstrate the effectiveness of our framework.