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Content Provider | IEEE Xplore Digital Library |
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Author | Cornelis, N. Van Gool, L. |
Copyright Year | 2008 |
Description | Author affiliation: K.U., Leuven (Cornelis, N.) |
Abstract | Ever since the introduction of freely programmable hardware components into modern graphics hardware, graphics processing units (GPUs) have become increasingly popular for general purpose computations. Especially when applied to computer vision algorithms where a Single set of Instructions has to be executed on Multiple Data (SIMD), GPU-based algorithms can provide a major increase in processing speed compared to their CPU counterparts. This paper presents methods that take full advantage of modern graphics card hardware for real-time scale invariant feature detection and matching. The focus lies on the extraction of feature locations and the generation of feature descriptors from natural images. The generation of these feature-vectors is based on the Speeded Up Robust Features (SURF) method [1] due to its high stability against rotation, scale and changes in lighting condition of the processed images. With the presented methods feature detection and matching can be performed at framerates exceeding 100 frames per second for 640 times 480 images. The remaining time can then be spent on fast matching against large feature databases on the GPU while the CPU can be used for other tasks. |
Starting Page | 1 |
Ending Page | 8 |
File Size | 3027516 |
Page Count | 8 |
File Format | |
ISBN | 9781424423392 |
ISSN | 21607508 |
DOI | 10.1109/CVPRW.2008.4563087 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2008-06-23 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Computer vision Robust stability Spatial databases Data mining GPU SURF Image databases feature extraction Computer graphics Image generation Feature extraction Hardware Central Processing Unit feature matching |
Content Type | Text |
Resource Type | Article |
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