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Steve on Image Processing with MATLAB

Image processing concepts, algorithms, and MATLAB

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Steve on Image Processing with MATLAB has been archived and will not be updated.

다음에 대한 결과: poly2mask

Region filling and Laplace’s equation 4

Today I want to show you how to use a linear system of 90,300 equations and 90,300 unknowns to get rid of a leaf.Earlier this month I told you how the function roifill was recently renamed to... 더 읽어보기 >>

Comparing the geometries of bwboundaries and poly2mask 5

MATLAB user Meshooo asked a question on MATLAB Answers about a problem with the createMask function associated with impoly. Meshooo observed a discrepancy between the output of bwboundaries and the... 더 읽어보기 >>

Don’t Photoshop it…MATLAB it! Image Effects with MATLAB (Part 4) 2

I'd like to welcome back guest blogger Brett Shoelson for the continuation of his series of posts on implementing image special effects in MATLAB. Brett, a contributor for the File Exchange Pick of the Week blog, has been doing image processing with MATLAB for almost 20 years now.... 더 읽어보기 >>

Don’t Photoshop it…MATLAB it! Image Effects with MATLAB (Part 3) 8

I'd like to welcome back guest blogger Brett Shoelson for the continuation of his series of posts on implementing image special effects in MATLAB. Brett, a contributor for the File Exchange Pick of the Week blog, has been doing image processing with MATLAB for almost 20 years now.... 더 읽어보기 >>

Binary image convex hull – algorithm notes 9

Today I want to tell a little image processing algorithm story related to my post last week about the new bwconvhull function in the Image Processing Toolbox. The developer (Brendan)... 더 읽어보기 >>

ROIPOLY – rectangular regions and logical indexing 26

Several readers commented on my recent roipoly and poly2mask posts, and I wanted to follow up on a couple of issues they raised. The first issue is a common point of confusion about ... 더 읽어보기 >>

Antialiased polygon scan conversion: Are you interested? 19

In December I wrote several blogs about the algorithm underlying the poly2mask function. Basically, the algorithm uses a 5-by-5 subpixel grid and lays out the polygon along the edges of the... 더 읽어보기 >>

POLY2MASK and ROIPOLY – Part 3

This is the final post in a series discussing the algorithm underlying Image Processing Toolbox functions poly2mask and roipoly. (See Part 1 and Part 2.) There are several desirable... 더 읽어보기 >>

POLY2MASK and ROIPOLY – Part 1 19

This is the first of several blogs about the algorithm behind poly2mask and roipoly. poly2mask takes a set of polygon vertices and produces a binary mask image. The binary mask has 1s for... 더 읽어보기 >>