已发布

CLim, caxis, imshow, and imagesc
In response to "MATLAB image display - autoscaling values with imshow," MATLAB Answerer Extraordinaire ImageAnalyst posted...

8 years 前

已发布

JPEG2000 and specifying a target compression ratio
I was looking at some documentation yesterday and saw something that I had forgotten. When you write a JPEG2000 image file...

8 years 前

已发布

Intersecting curves that don’t intersect
A post in MATLAB Answers earlier this year reminded me that working on a discrete grid can really mess up apparently obvious...

8 years 前

已发布

Pausing MATLAB (R2016a)
MATLAB R2016a shipped earlier this month. It has a new feature that is a personal favorite: the Pause button. Have...

8 years 前

已发布

MATLAB image display – autoscaling values with imshow
Last week I talked about displaying gray-scale and binary images. In that post, I showed how to control the grayscale...

8 years 前

已发布

MATLAB image display – grayscale and binary images
In my previous posts (February 9, February 22, and February 29), I discussed the truecolor and indexed image display models...

8 years 前

已发布

MATLAB image display – scaled indexed images
In my last post on pixel colors, I described the truecolor and indexed image display models in MATLAB, and I promised to...

8 years 前

已发布

MATLAB image display – truecolor and indexed images
ContentsMATLAB image display - truecolor and indexed imagesTruecolor imagesIndexed imagesMATLAB image display - truecolor...

8 years 前

已发布

MATLAB image display – from data values to pixel colors
Here's a quick quiz for you: How bright are these pixel values?252 252 253 254 255 252 252 253 254 254 252 252 ...

8 years 前

已发布

How old are you (in computer years)?
Ten years and a few days ago, I published my first blog post in this space. That is really hard for me to believe. It...

8 years 前

已发布

A cheating maze solver with image graphs
Updated 04-Jan-2016 to fix a problem with the maze image that was causing an incorrect result for the cheating maze...

8 years 前

已发布

Image-based graphs
Last time I showed you the basics of using the new graph theory functionality in MATLAB R2015b. Today I want to talk about...

8 years 前

已发布

Graphs in MATLAB R2015b
I was inspired by ICIP 2015 and by the new graph functions in MATLAB R2015b to write some functions to help experiment with...

9 years 前

已发布

Image resizing geometry
This question landed in my inbox recently:I have a 721x1441 matrix, T, of temperature values. The x-axis goes from 0 to 360...

9 years 前

已发布

Recent File Exchange submissions
In the last 30 days, The MATLAB Central File Exchange has had 52 submissions that are tagged image processing.Here are some...

9 years 前

已发布

Improved dashed and dotted lines in EPS files
At the ICIP (International Conference on Image Processing) last week, a customer stopped by the MathWorks booth to chat. He...

9 years 前

已发布

ICIP presentation materials
For those of you who attended my MATLAB Today talk at ICIP this week, you can get a PDF version of the slides here. If...

9 years 前

已发布

Pluto’s majestic mountains and frozen plains
Image credit: NASA/JHUAPL/SwRI Isn’t that amazing? The image was captured by NASA’s New Horizons spacecraft just 15...

9 years 前

已发布

ICIP 2015
Are you attending ICIP (IEEE International Conference on Image Processing) in Québec City, Canada later this month? Then...

9 years 前

已发布

Many D65 values to choose from
I am a crazy person. Late last week I was chasing down some numerical precision questions I had about certain color-space...

9 years 前

已发布

Moving the origin of a structuring element
A customer contacted Tech Support recently to ask the following question about structuring elements and dilation:If I...

9 years 前

已发布

Ellipse visualization and regionprops
A blog reader asked me recently how to visualize the ellipse-based measurements computed by regionprops. The reader wanted...

9 years 前

已发布

Out-of-gamut colors
The set of colors that can be represented using a particular color space is called the gamut. Some L*a*b* color values may...

9 years 前

已发布

iPhone and Android sensor measurements
Here's something cool to try ... I just downloaded the MATLAB Support Package for Apple iOS Sensors and the latest MATLAB...

9 years 前

已发布

Typecast got faster in R2014b
Some years ago we added the function typecast to MATLAB. I've been wanting to write about this useful little function ever...

9 years 前

已发布

MATLAB, Simulink, and the New Horizons Mission to Pluto
[This post has been updated on 04-Sep–2015 to describe the use of Simulink in the flight control system design and...

9 years 前

已发布

Get the MATLAB code
Last week someone asked me how many people use the “Get the MATLAB code” link on my blog. Do you know what that is? Try...

9 years 前

已发布

New Horizons arrives at Pluto tomorrow
Image credit: NASA/JHUAPL/SWRI The New Horizons spacecraft reaches its closest approach to Pluto tomorrow! Check...

9 years 前

已发布

ICIP 2015
I'm starting to get ready for ICIP in September. I'll be giving a talk about MATLAB on Monday, September 28. Go to the...

9 years 前

已发布

New image batch processor app in R2015a
Nine years ago I wrote a blog post showing how to do batch processing of image files. That is, I showed how to use MATLAB to...

9 years 前