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A review on vision-based analysis for automatic dietary assessment
Background: Maintaining a healthy diet is vital to avoid health-related issues, eg,
undernutrition, obesity and many non-communicable diseases. An indispensable part of the …
undernutrition, obesity and many non-communicable diseases. An indispensable part of the …
Automatic LiDAR-camera calibration of extrinsic parameters using a spherical target
This paper investigates a novel calibration process of devices with different modalities,
which is a critical step of computer vision applications. We propose a fully automatic extrinsic …
which is a critical step of computer vision applications. We propose a fully automatic extrinsic …
Tame a wild camera: in-the-wild monocular camera calibration
Abstract 3D sensing for monocular in-the-wild images, eg, depth estimation and 3D object
detection, has become increasingly important. However, the unknown intrinsic parameter …
detection, has become increasingly important. However, the unknown intrinsic parameter …
Calibration method for line-structured light vision sensor based on a single ball target
Z Liu, X Li, F Li, G Zhang - Optics and Lasers in Engineering, 2015 - Elsevier
Profile feature imaging for ball targets is unaffected by the position of the target. On this
basis, this study proposes a method for the rapid calibration of a line-structured light system …
basis, this study proposes a method for the rapid calibration of a line-structured light system …
Flexible and accurate camera calibration using grid spherical images
For important camera calibration in the field of computer vision, a new target form, namely, a
grid spherical target (GST) that is different from the spherical target, is proposed. The GST …
grid spherical target (GST) that is different from the spherical target, is proposed. The GST …
Unified intrinsic and extrinsic camera and LiDAR calibration under uncertainties
Many approaches for camera and LiDAR calibration are presented in literature but none of
them estimates all intrinsic and extrinsic parameters simultaneously and therefore optimally …
them estimates all intrinsic and extrinsic parameters simultaneously and therefore optimally …
A stratified approach for camera calibration using spheres
This paper proposes a stratified approach for camera calibration using spheres. Previous
works have exploited epipolar tangents to locate frontier points on spheres for estimating the …
works have exploited epipolar tangents to locate frontier points on spheres for estimating the …
An adaptive grid search algorithm for fitting spherical target of terrestrial LiDAR
The spherical target is critical in many terrestrial laser scanning applications. Accurately and
robustly estimating its geometric center based on a point cloud is a problem of widespread …
robustly estimating its geometric center based on a point cloud is a problem of widespread …
The common self-polar triangle of concentric circles and its application to camera calibration
In projective geometry, the common self-polar triangle has often been used to discuss the
position relationship of two planar conics. However, there are few researches on the …
position relationship of two planar conics. However, there are few researches on the …
Practical and accurate calibration of RGB-D cameras using spheres
Abstract RGB-Depth (or RGB-D) cameras are increasingly being adopted in robotic and
vision applications, including mobile robot localization and map**, gesture recognition …
vision applications, including mobile robot localization and map**, gesture recognition …