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์ „๋ฌธ์ง€์‹ 104๊ฑด

2 Problem Solutions Problem 2.1 The diameter, x, of the retinal image corresponding to the dot is obtained from similar triangles, as shown in Fig. P2.1. That is, (d=2) 0:2 = (x=2) 0:014 which gives x = 0:07d. From the discussion in Section 2.1.1, and taking some liberties of interpretatio
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buff; } } //์˜์ƒ์ฒ˜๋ฆฌ๋œ ์ด๋ฏธ์ง€๋ฅผ ํŒŒ์ผ๋กœ ์ถœ๋ ฅ for(i=0;i<height;i++) { fwrite(buffer1[i], width, 1, output); } fcloseall(); } 2. ์›๋ณธ์ด๋ฏธ์ง€์™€ ํ–ฅ์ƒ๋œ ์ด๋ฏธ์ง€ -์›๋ณธ์ด๋ฏธ์ง€- ํŒŒ์ผ๋ช… : jmj.raw ํฌ๊ธฐ : 500 x 500 ์šฉ๋Ÿ‰ : 244 kbyte ํŠน์ง• : ๋””์ง€ํ„ธ ์นด๋ฉ”๋ผ๋ฅผ ์‚ฌ์šฉํ•ด ์ฐ์€ ์‚ฌ์ง„์„
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 1. ํ™”์ƒํ†ต์‹ ์˜ ๊ฐœ์š” 2. ํ™”์ƒํ†ต์‹  ์‹œ์Šคํ…œ์˜ ๊ตฌ์„ฑ 3. ํ…”๋ ˆ๋น„์ „ 4. HDTV(High Definition Television) 5. ํŒฉ์‹œ๋ฐ€๋ฆฌ(Facsimile) 6. ํ™”์ƒํ†ต์‹  ํšŒ์˜ 7. ํ™”์ƒ์‘๋‹ต ์‹œ์Šคํ…œ(VRS : Video Response System) 8. CATV 9. CCTV(ํ์‡„ํšŒ๋กœ ํ…”๋ ˆ๋น„์ „) 10. ๋ฏน์Šค ๋ชจ๋“œํ˜• ๋‹จ
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Image Processing Term Project Shen-Castan Edge Detector Shen-Castan Edge Detector ๊ฐœ์š” โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ โ–ถ Shen๊ณผ Castan์€ ๊ฒฝ๊ณ„์„  ์•Œ๊ณ ๋ฆฌ์ฆ˜์˜ ์ผ๋ฐ˜์ ์ธ ํ˜•์‹์— ๊ด€ํ•ด์„œ๋Š” Canny์˜ ์ œ์•ˆ์— ๋™์˜ โ–ถ But, ์ตœ์ ํ™”๋ฅผ ์œ„ํ•œ ๋‹ค๋ฅธ ํ•จ์ˆ˜๋ฅผ
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  • ๋“ฑ๋ก์ผ 2011.09.27
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Image์˜ ๊ฒฝ์šฐ DFT๊ฐ€ x์ถ•, y์ถ•์œผ๋กœ ๊ฐ๊ฐ ํ•œ ๋ฒˆ์”ฉ ํ•ด์•ผ ํ•˜๋ฏ€๋กœ ๊ฐ€๋กœ์„ธ๋กœ sample์˜ ์ˆ˜๊ฐ€ ๊ฐ™๋‹ค๋ฉด ์ด O(N^4)์˜ complexity๊ฐ€ ์š”๊ตฌ๋œ๋‹ค. Week3 1. Explain the relationship between DCT and DFT. Explain FFT(Fast Fourier Transform) and block-DCT which are widely used in many signal processing app
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1. ์‹คํ—˜ ๋ชฉ์  ใ€€๋ณธ ์‹คํ—˜์—์„œ๋Š” TMS320C6416 DSK ์™€ CCS program ์„ ์ด์šฉํ•˜์—ฌ RGB์—์„œ YCbCr Color Coordinate ๋ณ€ํ™˜, Spatial Domain ์—์„œ Image Resizing(Averaging, Interpolation) , Histogram Equalization, Image Sharpening Filter(Laplacian Filter, Sobel Filter )์˜ ์ฝ”๋“œ๋ฅผ ๊ตฌํ˜„ํ•˜๊ณ  ํ™•์ธํ•œ๋‹ค.
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[3] Visual C++ 6 ์™„๋ฒฝ๊ฐ€์ด๋“œ 2nd, ๊น€์šฉ์„ฑ, 2007.9, ์˜์ง„์ถœํŒ์‚ฌ [4] A simplified approach to image processing, Randy Crane [5] Signal & Systems, Simon Haykin, Wiley 1. ์„ค๊ณ„ ๊ณ„ํš ใ„ฑ. ์„ค๊ณ„์˜ ๋ฐฐ๊ฒฝ ๋ฐ ํ•„์š”์„ฑ ใ„ด. ์„ค๊ณ„ ๋ชฉํ‘œ ๋ฐ ๋‚ด์šฉ ใ„ท. ํ”„๋กœ์ ํŠธ ์Šค์ผ€์ฅด ใ„น. ์ฐธ๊ณ ๋ฌธํ—Œ
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IMAGE PROCESSING , MCGRAW HILL, 1995 [2] ZHAONG WANG , " PRUNING THE FAST DISCRETE CONSINE TRANSFORM " IEEE TRANS . COMMUN., VOL 39, PP 640-643, MAY 1991 [3] HIROHISA YAMAGUCHI , "Adaptive DCT Coding of Video Signals " IEEE Trans. COMMUN VOL. 41 , PP 1534-1543, Oct , 1993 [4] ๊น€์ธํ•œ, ๊น€์„ฑ๋Œ€, โ€œ ์˜์ƒ
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Image์˜ pixel level์˜ ๊ธฐ์ค€ ๊ฐ’ ๋ณ€ํ™”์— ๋”ฐ๋ผ ๊ฒฐ๊ณผ๊ฐ€ ๋‹ค๋ฅด๊ฒŒ ๋‚˜ํƒ€๋‚˜๋Š” ๊ฒƒ์„ ํ™•์ธ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ธฐ์ค€ ๊ฐ’์ด ์ž‘์„์ˆ˜๋ก level๊ฐ’์ด 255๋กœ ๋ฐ”๋€Œ๋Š” pixel์˜ ์ˆ˜๊ฐ€ ๋งŽ์•„์ ธ ๋ฐ์€ ํ™”๋ฉด์ด ๋‚˜์˜ค๋Š” ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ฆ‰, ๊ฐ’์ด ํด์ˆ˜๋ก ํ™”๋ฉด์€ ์–ด๋‘ก๊ฒŒ, ์ž‘์„์ˆ˜๋ก ํ™”
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ํ˜น์€ ๋ฌผ์ฒด์˜ ์ฝ”๋„ˆ ๋“ฑ์„ ํ๋ฆฌ๊ฒŒ ํ•  ์ˆ˜ ์žˆ๋‹ค. 1. Understand the histogram equalization and summarize it. 2. Understand the spatial filters in this experiment, Laplacian filter and Sobel filter. Explain how they work as edge detectors. 3. Investigate other spatial filters in image processing.
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  • ๋“ฑ๋ก์ผ 2010.05.28
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