Search Results for author: Ali Taalimi

Found 6 papers, 1 papers with code

MaskConver: Revisiting Pure Convolution Model for Panoptic Segmentation

1 code implementation11 Dec 2023 Abdullah Rashwan, Jiageng Zhang, Ali Taalimi, Fan Yang, Xingyi Zhou, Chaochao Yan, Liang-Chieh Chen, Yeqing Li

With ResNet50 backbone, our MaskConver achieves 53. 6% PQ on the COCO panoptic val set, outperforming the modern convolution-based model, Panoptic FCN, by 9. 3% as well as transformer-based models such as Mask2Former (+1. 7% PQ) and kMaX-DeepLab (+0. 6% PQ).

Decoder Panoptic Segmentation

Person Re-identification Using Visual Attention

no code implementations23 Jul 2017 Alireza Rahimpour, Liu Liu, Ali Taalimi, Yang song, Hairong Qi

Despite recent attempts for solving the person re-identification problem, it remains a challenging task since a person's appearance can vary significantly when large variations in view angle, human pose, and illumination are involved.

Person Re-Identification

Addressing Ambiguity in Multi-target Tracking by Hierarchical Strategy

no code implementations30 May 2017 Ali Taalimi, Liu Liu, Hairong Qi

We use a network flow approach to link detections in low-level and tracklets in high-level.

Multi-View Task-Driven Recognition in Visual Sensor Networks

no code implementations30 May 2017 Ali Taalimi, Alireza Rahimpour, Liu Liu, Hairong Qi

Nowadays, distributed smart cameras are deployed for a wide set of tasks in several application scenarios, ranging from object recognition, image retrieval, and forensic applications.

Image Retrieval Multi-Task Learning +4

End-to-end Binary Representation Learning via Direct Binary Embedding

no code implementations15 Mar 2017 Liu Liu, Alireza Rahimpour, Ali Taalimi, Hairong Qi

Furthermore, in the effort of handling multilabel images, we design a joint cross entropy loss that includes both softmax cross entropy and weighted binary cross entropy in consideration of the correlation and independence of labels, respectively.

Image Retrieval Object Recognition +3

Feature Encoding in Band-limited Distributed Surveillance Systems

no code implementations19 Dec 2016 Alireza Rahimpour, Ali Taalimi, Hairong Qi

Distributed surveillance systems have become popular in recent years due to security concerns.

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