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Samson Timoner

dblp:259/1855 · DBLP profile ↗
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2ranked-venue papers
0as first author
1since 2021 · last 2023
—ORCID · none

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

Graphics, computer vision, multimedia, augmented reality and games · 2 · 1 since 2021Artificial intelligence and machine learning · 1

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.

Artificial intelligence
1 paper
Trustworthy machine learning · 67% Face, body and person analysis · 33%
Network and information security
1 paper
Privacy and data protection · 100%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Machine learning › Trustworthy machine learning › fairness › bias mitigation
demographic bias mitigation
0.712023
Balancing Biases and Preserving Privacy on Balanced Faces in the Wild · IEEE Trans. Image Process. 2023
Computer vision › Face, body and person analysis
face recognition
0.712023
Balancing Biases and Preserving Privacy on Balanced Faces in the Wild · IEEE Trans. Image Process. 2023
Machine learning › Trustworthy machine learning
fairness
0.712023
Balancing Biases and Preserving Privacy on Balanced Faces in the Wild · IEEE Trans. Image Process. 2023
Privacy and data protection › facial privacy protection
privacy-preserving face recognition
0.712023
Balancing Biases and Preserving Privacy on Balanced Faces in the Wild · IEEE Trans. Image Process. 2023

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

neural network · 1.3feature extraction · 1.3domain adaptation · 1.3
YearPublicationVenuePosition
2023 Balancing Biases and Preserving Privacy on Balanced Faces in the Wild
abstract
There are demographic biases present in current facial recognition (FR) models. To measure these biases across different ethnic and gender subgroups, we introduce our Balanced Faces in the Wild (BFW) dataset. This dataset allows for the characterization of FR performance per subgroup. We found that relying on a single score threshold to differentiate between genuine and imposters sample pairs leads to suboptimal results. Additionally, performance within subgroups often varies significantly from the global average. Therefore, specific error rates only hold for populations that match the validation data. To mitigate imbalanced performances, we propose a novel domain adaptation learning scheme that uses facial features extracted from state-of-the-art neural networks. This scheme boosts the average performance and preserves identity information while removing demographic knowledge. Removing demographic knowledge prevents potential biases from affecting decision-making and protects privacy by eliminating demographic information. We explore the proposed method and demonstrate that subgroup classifiers can no longer learn from features projected using our domain adaptation scheme. For access to the source code and data, please visit https://github.com/visionjo/facerec-bias-bfw.
Joseph P. Robinson, Can Qin, Yann Henon, Samson Timoner, Yun Fu 0001
IEEE Trans. Image Process.4
2020 Recognizing Families In the Wild (RFIW): The 4th Edition
abstract
Recognizing Families In the Wild (RFIW)- an annual large-scale, multi-track automatic kinship recognition evaluation- supports various visual kin-based problems on scales much higher than ever before. Organized in conjunction with the as a Challenge, RFIW provides a platform for publishing original work and the gathering of experts for a discussion of the next steps. This paper summarizes the supported tasks (i.e., kinship verification, tri-subject verification, and search & retrieval of missing children) in the evaluation protocols, which include the practical motivation, technical background, data splits, metrics, and benchmark results. Furthermore, top submissions (i.e., leader-board stats) are listed and reviewed as a high-level analysis on the state of the problem. In the end, the purpose of this paper is to describe the 2020 RFIW challenge, end-to-end, along with forecasts in promising future directions.
Joseph P. Robinson, Yu Yin 0001, Zaid Khan 0001, Ming Shao, Si-Yu Xia, Michael Stopa, Samson Timoner, Matthew Turk 0001, Rama Chellappa, Yun Fu 0001
FG7