2018
DOI: 10.3390/app9010056
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Mixed-Degree Cubature H∞ Information Filter-Based Visual-Inertial Odometry

Abstract: Visual–inertial odometry is an effective system for mobile robot navigation. This article presents an egomotion estimation method for a dual-sensor system consisting of a camera and an inertial measurement unit (IMU) based on the cubature information filter and H∞ filter. The intensity of the image was used as the measurement directly. The measurements from the two sensors were fused with a hybrid information filter in a tightly coupled way. The hybrid filter used the third-degree spherical-radial cubature rul… Show more

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Cited by 4 publications
(2 citation statements)
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“…This problem is commonly known as visual odometry (VO). In this regard, the work by Song et al [5] presents a Visual-Inertial Odometry approach, based on the cubature information filter and H ∞ filter, namely, MCH ∞ IF − V IO, which uses a raw intensity-based measurement model for the camera. On the one hand, the measurements from the IMU (Inertial Measurement Unit), and the camera are fused by means of a hybrid information filter, which applies two cubature rules in the time-update and the measurement-update phases, to guarantee numerical stability.…”
Section: Map Building and Localization Of Mobile Robotsmentioning
confidence: 99%
“…This problem is commonly known as visual odometry (VO). In this regard, the work by Song et al [5] presents a Visual-Inertial Odometry approach, based on the cubature information filter and H ∞ filter, namely, MCH ∞ IF − V IO, which uses a raw intensity-based measurement model for the camera. On the one hand, the measurements from the IMU (Inertial Measurement Unit), and the camera are fused by means of a hybrid information filter, which applies two cubature rules in the time-update and the measurement-update phases, to guarantee numerical stability.…”
Section: Map Building and Localization Of Mobile Robotsmentioning
confidence: 99%
“…However, in GPS blocked environments, the GPS/INS system would be shut down and go back to INS standalone mode and the navigation error would be accumulated [14]. As a common integrated navigation method for UAVs, visual navigation also has many drawbacks [15]. On the one hand, the performance of visual navigation is inversely proportional to the velocity.…”
Section: Introductionmentioning
confidence: 99%