Accurate Corner Detection Methods using Two Step Approach

α
Dr.Nitin Bhatia
Dr.Nitin Bhatia
σ
Megha Chhabra
Megha Chhabra
α Panjab University Panjab University
σ Sharda University

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Accurate Corner Detection Methods using Two Step Approach

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Abstract

Many image features are proved to be good candidates for recognition. Among them are edges, lines, corners, junctions or interest points in general. Importance of corner detection in digital images is increasing with increasing work in computer vision in imagery. One of the most promising techniques is the one based on Harris corner detection method. This work describes different approaches to detect corner in efficient way. Based on the works carried out by Harris method, the authors have worked upon increasing efficiency using edge detection methods on image, along with applying the Harris on this pre-processed image. Most of the time, such a step is performed as one of the first steps upon which more complicated algorithm rely. Hence, good outcome of such an operation influences the whole vision channel. This paper contains a quantitative comparison of three such modified techniques using Sobel-Harris, Canny-Harris and Laplace-Harris with Harris operator on the basis of distances computed by these methods from user detected corners.

References

11 Cites in Article
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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr.Nitin Bhatia. 1970. \u201cAccurate Corner Detection Methods using Two Step Approach\u201d. Unknown Journal GJCST Volume 11 (GJCST Volume 11 Issue 6): .

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April 17, 2011

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en
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Many image features are proved to be good candidates for recognition. Among them are edges, lines, corners, junctions or interest points in general. Importance of corner detection in digital images is increasing with increasing work in computer vision in imagery. One of the most promising techniques is the one based on Harris corner detection method. This work describes different approaches to detect corner in efficient way. Based on the works carried out by Harris method, the authors have worked upon increasing efficiency using edge detection methods on image, along with applying the Harris on this pre-processed image. Most of the time, such a step is performed as one of the first steps upon which more complicated algorithm rely. Hence, good outcome of such an operation influences the whole vision channel. This paper contains a quantitative comparison of three such modified techniques using Sobel-Harris, Canny-Harris and Laplace-Harris with Harris operator on the basis of distances computed by these methods from user detected corners.

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Accurate Corner Detection Methods using Two Step Approach

Dr.Nitin Bhatia
Dr.Nitin Bhatia Panjab University
Megha Chhabra
Megha Chhabra Sharda University

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