3 d image processsing operations
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Transcript of 3 d image processsing operations
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3D IMAGE PROCESSSING OPERATIONS
BYM.MUTHUKUMAR.
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OBJECTIVES:-
Implementation of three basic image processing operations
ENHANCEMENTSEGMENTATIONBLUR
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IMAGE PROCESSING:-• Form of signal processing• Input – image•Output –image or set of characteristics or parameters• Implemented through algorithms•Current concentration - “Texture", "Surface Mapping", "Video Tracking”.•Concentration needed on Spectrum & Hierarchy of processing levels
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IMAGE ENHANCEMENT:-• Image Enhancement-Processing an image such as Sharpening, De blurring,…•Enhance Multispectral Color Composite Images-suitable for image interpretation, de-correlation•Enhance Color Images-Contrast enhancement, converts image from RGB to L*a*b.
• Imadjust•Histeq•Adaphisteq
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IMADJUST:-• Increases the contrast of the image.
HISTEQ:-• Perform histogram equalization.
ADAPTHISTEQ:-• Performs contrast-limited adaptive histogram equalization.• Values are already spread out between the minimum of 0 and maximum of 255.
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SEGMENTATION:- process of partitioning a digital image into multiple segmentsSteps Involved:-
•Detect Entire Cell •Fills Gaps•Dilate the Images•Fill Interior Gaps •Remove Connected Objects on Border•Smooth the Object
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BLUR:- Usually makes the images unfocused.
BLUR DECONVOLUTION:-
Algorithm can be used effectively when no information about the distortion.
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EXPERIMENT STUDY:-
Can be processed using software such as C language Matrix- X, Visual Basic, Java program and MATLAB programming.
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ENHANCEMENT:-
ORIGINAL IMAGE
IMADJUST
IMADJUST
HISTEQ
ADAPTHISTEQ
IMAGE COMPOSITE AFTER DECORRELATION STRETCH
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SEGMENTATION:-
BINARY GRADIENT MASK
BINARY IMAGE FILLED WITH HOLES
CLEARED BORDER IMAGE
OUTLINED ORIGINAL IMAGE
SEGMENTED IMAGE
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BLUR:-
BLURRED AND NOISY IMAGE
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HISTOGRAM:-
Comparison histogram for enhancement for 2d and 3d images
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2d 3d
Comparison histogram for blur for 2d and 3d images:Comparison histogram for
segmentation for 2d and 3d
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CONCLUSION:-
•The presentation briefly elaborates the image process operations for 3D images.•Previous works-in 2D images.•Proposed work-3D images.•The output Algorithms are compared.•The software used is MATLAB
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REFERENCES:-
[1] ABDUL HALIM BIN BABA. image processing learning tool-edge detection bachelor degree. university of technology malaysia 1996.
[2] FIONN MURTAGH. Image Processing data analysis. the multi-scale approach. University of Ulster.
[3] Fundamentals of image processing, [email protected] .(http://www.cs.dartmouth.edu/~farid)
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THANK YOU