Object Pose Estimation Using Least Non Coplanar Feature Points

نویسنده

  • M. A. Abidi
چکیده

13 Published By: Blue Eyes Intelligence Engineering & Sciences Publication Pvt. Ltd. Abstract— This paper describes the pose estimation of an object using a calibrated camera. The idea is to first calibrate the camera and then implement the algorithm to find the estimated matrices that describes the three dimensional pose of the object. The camera calibration process includes capturing the images and then processing them to find the intrinsic and extrinsic parameters, which are used to estimate the object pose. And object pose estimation is carried out by first finding the corners with the help of Harris feature extraction and then comparing the image and object matrices in the POSIT algorithm and finally eliminating the errors with the help of iterations. The algorithm estimates the pose with a minimum of four non-coplanar points from the acquired image. Both camera calibration and pose estimation processes were implemented using MATLAB® Ver.7.12.0.635 (R2011a).

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Robust and Accurate Vision-Based Pose Estimation Algorithm Based on Four Coplanar Feature Points

Vision-based pose estimation is an important application of machine vision. Currently, analytical and iterative methods are used to solve the object pose. The analytical solutions generally take less computation time. However, the analytical solutions are extremely susceptible to noise. The iterative solutions minimize the distance error between feature points based on 2D image pixel coordinate...

متن کامل

Iterative Pose Estimation Using Coplanar Feature Points

of the matrix in a singular value decomposition [9]. A general algorithm which assumes that these feature points This paper presents a new method for the computation of the position and orientation of a camera with respect to a known are noncoplanar and fails to detect that this case is degenerobject, using four or more coplanar feature points. Starting with ate would probably produce inaccurat...

متن کامل

A Robust Pose Estimation Method for Nearly Coplanar Points

The pose of a calibrated camera can be estimated from known correspondences with known scene structure. There is a number of pose estimation algorithms which solve this problem, however, all of these algorithms suffer from pose ambiguity. This paper analyses the reason of pose ambiguity from the aspect of the distribution of object points. Then, we develop a novel robust method to solve pose am...

متن کامل

Camera Pose Estimation in Unknown Environments using a Sequence of Wide-Baseline Monocular Images

In this paper, a feature-based technique for the camera pose estimation in a sequence of wide-baseline images has been proposed. Camera pose estimation is an important issue in many computer vision and robotics applications, such as, augmented reality and visual SLAM. The proposed method can track captured images taken by hand-held camera in room-sized workspaces with maximum scene depth of 3-4...

متن کامل

Quaternion Based Camera Pose Estimation From Matched Feature Points

We present a novel solution to the camera pose estimation problem, where rotation and translation of a camera between two views are estimated from matched feature points in the images. The camera pose estimation problem is traditionally solved via algorithms that are based on the essential matrix or the Euclidean homography. With six or more feature points in general positions in the space, ess...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2014