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Proceedings ArticleDOI

Three-dimensional pose determination for a humanoid robot using binocular head system

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TLDR
A simple and fast stereo matching algorithm for real-time robotic applications and an improved scheme for feature matching using three-dimensional information by adopting backprojection as a feedback element measuring the degree of feature matching.
Abstract
There has been much interests on three-dimensional pose estimation of an object since there are a lot of robotic applications such as intelligent robotic assembly and/or vision-guided control of a humanoid or human-friendly robot. In this paper, there are proposed a simple and fast stereo matching algorithm for real-time robotic applications and an improved scheme for feature matching using three-dimensional information by adopting backprojection as a feedback element measuring the degree of feature matching. The degree of feature matching is determined by checking existence ratio of each feature point in real images after back-projecting an object model into image plane. The proposed pose determination algorithm is applied for a humanoid robot in KIST, whose name is CENTAUR, successfully and determine the pose of several polyhedral objects using 3D information of vertexes on the outline of an object in image plane.

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Citations
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Proceedings ArticleDOI

Research on Station Mode for Attitude Determination of Multiple Targets

TL;DR: In this article, several kinds of multi-CMOS station mode are introduced, and fundamental principles and classification of station mode directly affect on measurement parameters of the system, no matter what mode is designed, the ultimate goal is to extend Effective Viewing Field (EVF), increase capture ratio of objects and increase measurement precision.
Proceedings ArticleDOI

Station Mode for Attitude Determination of Small-Multi-Target with High Speed

TL;DR: In this paper, a multi-CMOS station mode is designed, multiple CMOS videos were placed on two parallel sides in measurement system, every two CMOS form an intersection viewing field, multiple viewing field join to cover shooting range, which can augment Effective Viewing Field(EVF), increase capture ratio of objects with high speed and measurement precision of small objects.

Attitude determination of small, dim and high-speed targets based on multi-CMOS intersecting system (EI CONFERENCE)

M Li, +2 more
TL;DR: In this paper, an intersecting system based on multiple high-speed CMOS cameras was introduced to measure attitude of small, dim and high speed targets in a shooting range, where cameras were laid near from objects for small size.
Proceedings ArticleDOI

Attitude determination of small, dim and high-speed targets based on multi-CMOS intersecting system

TL;DR: In order to measure attitude of small, dim and high-speed targets in shooting range, intersecting system based on multiple high- speed CMOS cameras was introduced in this paper.
References
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Journal ArticleDOI

Model-based object pose in 25 lines of code

TL;DR: Compared to classic approaches making use of Newton's method, POSIT does not require starting from an initial guess, and computes the pose using an order of magnitude fewer floating point operations; it may therefore be a useful alternative for real-time operation.
Journal ArticleDOI

The representation, recognition, and locating of 3-d objects

TL;DR: This work proposes the paradigm of recognizing objects while locating them as a prediction and verifi cation scheme that makes efficient use of the shape representation and the matching algorithm, which are general and can be used for other types of data, such as ultrasound, stereo, and tactile.
Journal ArticleDOI

Pose determination of a three-dimensional object using triangle pairs

TL;DR: Experiments indicate that the procedure to estimate the unconstrained three-dimensional location and orientation of an object with a known shape when it is visible in a single image is very reliably accurate, although optimization can further improve estimates of the parameters.
Journal ArticleDOI

Relative 3D reconstruction using multiple uncalibrated images

TL;DR: It is shown how relative 3D reconstruction from point correspondences of multiple uncalibrated images can be achieved through reference points, and robustness of the method and reconstruction precision are discussed.
Proceedings ArticleDOI

Relative 3-D reconstruction using multiple uncalibrated images

TL;DR: It is shown how relative 3-D reconstruction for point correspondence of multiple images from uncalibrated cameras can be achieved through reference points.
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