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	Histogram Equalization	Detekcia objektov (blobov)
Odbor	Počítačové videnie	Počítačové videnie
Rodina	Machine learning	Machine learning
Rok vzniku	1970s	1998
Tvorca	Signal processing community	Tony Lindeberg
Typ	Contrast enhancement and preprocessing	Multi-scale feature detection
Pôvodný zdroj	Gonzalez, R. C., & Woods, R. E. (1992). Digital Image Processing. Addison-Wesley, 2nd edition, Chapter 3.	Lindeberg, T. (1998). Feature detection with automatic scale selection. International Journal of Computer Vision, 30(2), 79–116.
Ďalšie názvy	Histogram stretching, Contrast enhancement	Connected component analysis, Region-based detection
Príbuzné	5	5
Zhrnutie	Histogram equalization is an image preprocessing technique that redistributes pixel intensities to improve contrast and visibility of details. By spreading the histogram of pixel values evenly across the available range, histogram equalization enhances images with poor contrast, making features more visually distinct and easier to process algorithmically.	Blob detection is a technique for identifying regions of interest (blobs)—connected, homogeneous areas that differ from their surroundings—at multiple scales. Introduced by Lindeberg in the context of scale-space theory, blob detection automatically finds and characterizes circular or elliptical objects without requiring a priori knowledge of their size.