Download An Introduction to Object Recognition: Selected Algorithms by Marco Alexander Treiber PDF

By Marco Alexander Treiber

Rapid improvement of computing device has enabled utilization of automated item acceptance in more and more functions, starting from commercial snapshot processing to clinical functions, in addition to projects brought on by means of the frequent use of the net. every one zone of software has its particular standards, and therefore those can't all be tackled effectively through a unmarried, general-purpose set of rules.

This easy-to-read text/reference offers a entire advent to the sector of item popularity (OR). The booklet offers an summary of the various functions for OR and highlights very important set of rules sessions, proposing consultant instance algorithms for every classification. The presentation of every set of rules describes the fundamental set of rules circulation intimately, whole with graphical illustrations. Pseudocode implementations also are incorporated for plenty of of the tools, and definitions are provided for phrases that may be strange to the beginner reader. aiding a transparent and intuitive educational variety, the use of arithmetic is stored to a minimum.

Topics and features:

  • Presents instance algorithms overlaying worldwide ways, transformation-search-based equipment, geometrical version pushed tools, 3D item popularity schemes, versatile contour becoming algorithms, and descriptor-based methods
  • Explores every one procedure in its entirety, instead of targeting person steps in isolation, with a close description of the circulate of every set of rules, together with graphical illustrations
  • Explains the $64000 suggestions at size in a simple-to-understand type, with a minimal utilization of mathematics
  • Discusses a huge spectrum of functions, together with a few examples from advertisement products
  • Contains appendices discussing issues on the topic of OR and ordinary within the algorithms, (but no longer on the center of the equipment defined within the chapters)

Practitioners of business snapshot processing will locate this straightforward creation and assessment to OR a helpful reference, as will graduate scholars in laptop imaginative and prescient courses.

Marco Treiber is a software program developer at ASM meeting structures, Munich, Germany, the place he's Technical Lead in picture Processing for the imaginative and prescient procedure of SiPlace placement machines, utilized in SMT assembly.

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Additional resources for An Introduction to Object Recognition: Selected Algorithms for a Wide Variety of Applications

Example text

After introducing some typical transformations used in object recognition, some examples of algorithms exploring the transformation space including the so-called generalized Hough transform and the Hausdorff distance are presented. 1 Overview Most of the global appearance-based methods presented so far suffer from their invariance with respect to occlusion and background clutter, because both of them can lead to a significant change in the global data representation resulting in a mismatch between model and scene image.

The thus obtained information about the object shape is stored in a so-called R-Table. Subsequently, recognition is guided by this R-Table information. The R-Table generation proceeds as follows. 2 Training Phase 1.

The characterization of objects by means of Fourier descriptors is not restricted to the object boundary (as it is the case with the centroid distance function). Fourier descriptors can also be derived from the region covered by the object. A calculation based on regions is advantageous if characteristic information of the object is not restricted to the boundary. The descriptor representation is more robust to boundary variations if regional information is considered in such cases. A straightforward approach would be to calculate the descriptors from the 2D Fourier transform of the intensity image showing an object.

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