公开(公告)号：US20210168379A1

公开(公告)日：2021-06-03

申请号：US17069921

申请日：2020-10-14

Applicant: Axis AB

Inventor： Xing Danielsson FAN ,  Maya SHAH ,  Mattias PETTERSSON ,  Adam Schill COLLBERG ,  Fredrik PIHL ,  Magnus SÖDERDAHL ,  Peter WILHELMSSON

IPC: H04N19/176 ,  H04N19/61 ,  H04N19/172 ,  H04N19/593

Abstract: Video encoding, and specifically to a method and an encoder which can adapt the probability of intra refresh of image frame subdivisions based on a count of image frames since a previous refresh and modulated through convex or concave shaped distribution functions are set forth herein.

公开(公告)号：US20210406604A1

公开(公告)日：2021-12-30

申请号：US17238272

申请日：2021-04-23

Applicant: Axis AB

Inventor： Adam Schill COLLBERG

IPC: G06K9/62 ,  G06T7/70 ,  G06K9/00 ,  G06T7/20 ,  G06N3/04 ,  G06N3/08

Abstract: A method of transfer learning an object recognition neural network comprises acquiring a set of image frames; determining, by a first object recognition algorithm implementing an object recognition neural network, a plurality of object recognitions in the set of image frames; determining verified object recognitions by evaluating the plurality of object recognitions by a second, different from the first, object recognition algorithm, wherein an object recognition with a positive outcome in said evaluating forms a verified object recognition; forming a training set of annotated images comprising image frames associated with the verified object recognitions; performing transfer learning of the object recognition neural network based on the training set of annotated images.