Question

Which of the following techniques uses feature geometry as the key aspect for classification? (a.) Pixel based (b.) Object based (c.) Knowledge based (d.) Rule based​

Answer 1

Answer:

I think Rule based is right answers

D is correct answer

Explanation:

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Answer 2

Option A)  Pixel base

Pixel based techniques uses feature geometry as the key aspect for classification.

• The image is classed using spectral information in the pixel-based technique, which is frequently used to extract low level characteristics. Because the classes are unclear, the pixels in the overlapped region will be incorrectly identified.

• The practise of categorising and identifying sets of pixels or vectors inside an image in accordance with predetermined rules is known as image classification. It is possible to develop the classification legislation using one or more spectral or textural properties. "Supervised" and "unsupervised" categorization techniques are two common types.
• Raster images, often known as pixel-based graphics, are constructed from a small grid of coloured points (or pixels). not scalable up. Color changing is challenging. can be utilised in a variety of programmes and saved as a jpg (Canva etc).

• The goal of image classification is to recognise and describe the features that appear in a picture in terms of the object or kind of land cover these features actually represent on the ground as a distinct grey level (or colour). The most crucial aspect of digital image analysis is probably picture classification.

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