Joshi et al., 2012 - Google Patents
Study and comparison of edge detection algorithmsJoshi et al., 2012
View PDF- Document ID
- 8339988730354615815
- Author
- Joshi S
- Koju R
- Publication year
- Publication venue
- 2012 Third Asian Himalayas international conference on internet
External Links
Snippet
Edge characterizes boundaries. If the edges of images could be identified accurately, all of the objects can be located and basic parameters such as area, perimeter and shape can be measured. This paper proposes fusion of Haar wavelet and Prewitt operator and compares …
- 238000003708 edge detection 0 title abstract description 32
Classifications
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- G06—COMPUTING; CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20048—Transform domain processing
- G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20048—Transform domain processing
- G06T2207/20064—Wavelet transform [DWT]
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- G06T2207/20172—Image enhancement details
- G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering
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- G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
- G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
- G06K9/46—Extraction of features or characteristics of the image
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- G06T2207/00—Indexing scheme for image analysis or image enhancement
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- G06T2207/30004—Biomedical image processing
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- G06T2207/20—Special algorithmic details
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