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Software Engineering Project

Software Engineering Project. Fruit Recognition Zheng Liu. Block Diagram. Preprocess. Change to gray image. cvCvtColor (srcImg,grayImg,CV_BGR2GRAY ); Remove background: cvAbsDiff ( grayImg,bgdImg,difImg ); Resize to a 64*64 matrix. Background image. Character extraction. Gabor filter

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Software Engineering Project

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  1. Software Engineering Project Fruit Recognition Zheng Liu

  2. Block Diagram

  3. Preprocess • Change to gray image. • cvCvtColor(srcImg,grayImg,CV_BGR2GRAY); • Remove background: • cvAbsDiff(grayImg,bgdImg,difImg); • Resize to a 64*64 matrix. Background image

  4. Character extraction • Gabor filter • I: image; : Gabor core function. • PCA dimensionality reduction.

  5. Sort • K-nearest neighbor algorithm: • Calculate distance between the vector of recognizing image and database vector. • Compare the distance. • Assign to a kind of fruits.

  6. SIS Test bed • Input: a 3*3 matrix. • Imitate the process of the character extraction SIS test bed output result

  7. Bug • A pure white background is needed. • Shade and other noise may be recognized as eggplant, because of deep color. • Fruit has to be in a particular pose.

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