公开(公告)号：US20250124549A1

公开(公告)日：2025-04-17

申请号：US18911542

申请日：2024-10-10

Applicant: PROPHESEE

Inventor： Daniele PERRONE ,  Amos SIRONI

IPC: G06T5/50 ,  G06T5/73 ,  G06V10/24 ,  H04N23/745

Abstract: An image enhancement method using multi-frame stacking comprises the steps of storing multiple frames of a target scene captured by a frame-based camera during an acquisition interval; storing a series of events produced during the acquisition interval by an event-based camera viewing the target scene; synchronizing timestamps of the events and timestamps of the frames; selecting an anchor frame among the multiple frames; aligning a current frame with respect to the anchor frame, based on stored events having timestamps corresponding to an interval between the anchor frame and the current frame; and merging the aligned frame and the anchor frame.

公开(公告)号：US20220036110A1

公开(公告)日：2022-02-03

申请号：US17413347

申请日：2019-12-13

Applicant: PROPHESEE

Inventor： Amos SIRONI ,  Pierre DE TOURNEMIRE ,  Daniele PERRONE

IPC: G06K9/32 ,  G06K9/00

Abstract: The present invention relates to a method of tracking objects in a scene observed by an event-based sensor that produces events asynchronously from a matrix of sensing elements, wherein, from each sensing element of the matrix, respective events are produced as a function of variations of light incident on the sensing element, the method comprising: detecting, by a first process, an object in the scene from asynchronous events produced by the event-based sensor; and determining, by a second process, a track associated to the detected object from asynchronous events produced by the event-based sensor; wherein the first process has a time resolution lower than the second process.