The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 19, 2022

Filed:

Aug. 17, 2020
Applicants:

International Business Machines Corporation, Armonk, NY (US);

Rensselaer Polytechnic Institute, Troy, NY (US);

Inventors:

Sijia Liu, Somerville, MA (US);

Pin-Yu Chen, White Plains, NY (US);

Jinjun Xiong, Goldens Bridge, NY (US);

Gaoyuan Zhang, Medford, MA (US);

Meng Wang, Albany, NY (US);

Ren Wang, Troy, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); H04L 9/40 (2022.01); G06N 3/02 (2006.01); G06K 9/62 (2022.01); G06V 10/75 (2022.01);
U.S. Cl.
CPC ...
H04L 63/145 (2013.01); G06K 9/6215 (2013.01); G06N 3/02 (2013.01); G06V 10/751 (2022.01);
Abstract

One or more computer processors generate a plurality of adversarial perturbations associated with a model, wherein the plurality of adversarial perturbations comprises a universal perturbation and one or more per-sample perturbations. The one or more computer processors identify a plurality of neuron activations associated with the model and the plurality of generated adversarial perturbations. The one or more computer processors maximize the identified plurality of neuron activations. The one or more computer processors determine the model is a Trojan model by leveraging one or more similarities associated with the maximized neuron activations and the generated adversarial perturbations.


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