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Person Retrieval in Surveillance Video using Height, Color and Gender (arxiv.org)
45 points by myinnerbanjo on Oct 22, 2018 | hide | past | pdf | 4 comments on HN

In plain words: A system finds people in surveillance video from a plain-language description of their height, clothing color, and gender. It first cuts each person out of the frame so background clutter is ignored, then matches the description, and it stayed accurate even in tough footage.

Abstract

A person is commonly described by attributes like height, build, cloth color, cloth type, and gender. Such attributes are known as soft biometrics. They bridge the semantic gap between human description and person retrieval in surveillance video. The paper proposes a deep learning-based linear filtering approach for person retrieval using height, cloth color, and gender. The proposed approach uses Mask R-CNN for pixel-wise person segmentation. It removes background clutter and provides precise boundary around the person. Color and gender models are fine-tuned using AlexNet and the algorithm is tested on SoftBioSearch dataset. It achieves good accuracy for person retrieval using the semantic query in challenging conditions.

Hiren Galiyawala, Kenil Shah, Vandit Gajjar, Mehul S. Raval
arXiv:1810.05080 · cs.CV · submitted Sep 24, 2018
abstract · pdf · 6 Pages, 6 Figures, Accepted to Semantic Person Retrieval in Surveillance Using Soft Biometrics challenge in Conjunction with AVSS-2018

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This highlights the power of combining multiple low-accuracy filters, and the privacy implications of more-complete personal information even if no single piece of information would be identifying. Alternatively, it suggests buying dramatic heels for privacy purposes.
We changed the URL from https://thenextweb.com/artificial-intelligence/2018/10/22/th..., which points to this and (unless I missed it?) doesn't really add anything.
Is this a new thing? I never seen it before in any of my submissions. If so, I think it's rad.