# All Questions

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65 views

### What's this stupid thing about having to indent all of your code with 4 spaces for it to be rendered as code?

isn't there some markup hook that i can use to do that? i'm getting tired of fetching some old C file that i want to simply paste in and having to manually add spaces to many of the lines. this ...
49 views

### On non-mandatory regular DSP Chat Meetups

Don't [we] forget about the chat? The question was asked 5.5 years ago, and answered (only) two years later (3.5 years ago) by endolith. Since I was not busy enough eating and drinking during some ...
44 views

### Are MATLAB related questions allowed in dsp.se?

For example, is the following a valid question? Which function can I use to implement the following filter in MATLAB? Can I use MATLAB butter(_) function?
20 views

### I hope it's okay that I created a “fast-convolution” tag

I think we needed it. I searched the archive and attached that tag to a few questions that appeared to be about the topic.
78 views

### hey, this guy has rep outside of SE. i think he should start with 101 points as was afforded to me when i started

Stefan Stenzel. he's Mr. Waldorf. https://dsp.stackexchange.com/users/25424/stefan-stenzel
150 views

### again, i object to the median filter question being closed

i don't get why people close virtually good questions about salient topics to signal processing. an efficient median filter is definitely a salient topic to DSP.
79 views

### Another little bug in the display of answer scores for accepted answers

Just adding to this related question: In user profiles under Activity => Answers [or Favorites / Bounties] there's a similar problem:
55 views

### Number of answers is not visible for questions with an accepted answer in the favorites tab

I was reviewing the favorites tab in my DSP.SE profile page, when I realized that the number of answers is not visible for those questions with an accepted answer. On the other hand, questions without ...
126 views

### Can we have MathJax enabled in Meta?

Some questions on the main site have formulae in titles, and it's difficult to discuss such things in the meta without mutilating the titles. It would be nice to have MathJax enabled on the Meta as ...
49 views

### What are the “intrinsic tags” tags we'd want to block?

Following the question Can we get rid of and lock the [signal] tag? and especially Kevin's answer FYI: This type of bad tag is called an intrinsic tag and there is a feature specifically to ...
86 views

### Can we get rid of and lock the [signal] tag?

On a "Signal Processing" site, adding a signal tag to a question actually carries absolutely no information. Worse, even, is that most of the questions tagged with it are of mediocre-to-bad quality¹ (...
79 views

### Can one latexify formulae on Signal Processing meta?

Yesterday, I did some edit to a post, and by mistake retyped formulae with a latex syntax. Signal Processing Meta does not allow latexified math formula yet, see for instance Can we have MathJax ...
26 views

### Merge [fec] and [channelcoding] tags?

I propose merging these two tags, since they are essentially synonymous. I'd prefer to keep [channelcoding], since it's more descriptive.
231 views

### MathJax not rendering

Recently when writing/editing an answer, MathJax has at some point stopped rendering formulas and will only start rendering again if I refresh the page. I've had the problem for maybe a month now. ...
70 views

### Question's title idem as content, and nothing more. Your thoughts on this?

I have been coming across questions that got a one-line title and where the content of the question is just the same title verbatim. Nothing wrong with giving a clear answer if everything is contained ...
175 views

### How does Matt L. do to remain over the top?

[The initial pun turned into a look at observable variables showing trends and clustering] Outlier detection is a radical task in signal processing. The user Matt L. has about three times more total ...
33 views

### Merge [iq] and [quadrature] tags?

I suggest merging the [iq] and [quadrature] tags (or making them synonymous), and keep [quadrature] as the tag name. I tried to do this myself, but everything under "Tags" seems to be read-only.
55 views

### Help center desperately needs more detail

The help/on-topic page needs some love. Right now it consists of a total of one sentence of guidance on what is on-topic: "Signal Processing Stack Exchange is for practitioners of the art and ...
92 views

### Should plainly incorrect answers be deleted?

This very interesting question has an answer that relies on the dubious assumption that the frequency response of time-varying systems exists in continuous time. I believe the answer is blatantly ...
179 views

Is the culture of dsp.stackexchange.com such that you're not supposed to give short answers? My occasional short answers have usually received negative votes. Can we bring into question the ...
196 views

### New Site Design Live!

Congratulations! As you can see, the new site design is live. Thank you for your feedback here and here. As you can see, I updated the color scheme to blue/green. I also explored a few alternatives ...
29 views

### Tags and synonyms for background problems, especially for 1D signals

There is a tag for background-subtraction, with only 20 questions. Although this term is common in image processing, several questions have been asked recently for signals or time series. I would ...
83 views

### i also think that this question should not have been migrated away from dsp.se

i would write an answer to this question, but do not want to register for yet another SE site. can someone migrate this question back to DSP.SE? https://softwarerecs.stackexchange.com/questions/...
385 views

### Design for Signal Processing Stack Exchange

I'm Stéphane, a senior product designer at Stack Exchange. This community went through the first phase of graduation back in Sep. 2015 and now we're ready to give you the second phase; a unique ...
164 views

### (Updated) Design for Signal Processing Stack Exchange

Thank you to everyone who took the time to review and provide feedback on the Signal Processing Site Design. Based on the post’s feedback, we created a second option for the site’s color scheme. We ...
36 views

### Anthropomorphising operators should be closed as matters of opinion

Should Q&A's which ask whether matrix operators are human, and can go off and make their own assumptions, such as here: Is spectral leakage due to windowing 'different' for the DTFT and ...
50 views

### Questions on the usefulness or validity of published signal/image processing techniques

The DSP literature increases steadily with more or less useful papers. Sometime, a potential promising ideas get little notice. It could be that the paper (if not obviously wrong) has not reached its ...
24 views

### Merging tags: stft, short-time-ft

My first tag question. I have just discovered that we have stft and short-time-ft tags. Should we merge them under one ...
215 views

### Name change for DSP.SE?

Based on this question, there are many who feel that a image processing and computer vision should be given higher visibility on this site. The separate proposal for a CV/IP site has not succeeded, ...
109 views

### Closing as off-topic: Any clue why we have some Portuguese words in this ?

I decided to put a close vote on a question a few minutes ago and then I fell on some Portuguese words, a language I do love btw. Any clues ?
34 views

### Few accepted answers at SE.DSP meta. Should we bother?

We sometimes complain about SE.DSP posts, lacking of quality, upvoted or accepted answers. I just remarked that the level of accepted answers at meta is not astonishingly huge. Should the most ...
319 views

### Again, I am getting tired of all the stale, unanswered questions being dredged up by “Community”

Did you see the number of these stale questions? Can't we just kick Community's ass outa here?
77 views

### What types of DSP jobs are out there besides…?

I'm in the middle of looking for a new fulltime gig while consulting in the northeast. Decided not to move west (where there are a ton of jobs) because my extended family is here. I have found that ...
40 views

### Scipy questions/support?

I assume that some or even many here use SciPy for DSP. What do you use for support? I've found SciPy-user mailing list, but it doesn't seem that active. Is dsp.stackexchange.com useful/suitable for ...
47 views

### What should moderators do when someone is “astroturfing” the site?

Just now I was notified by the system of a user posting the same answer to multiple questions (four at last count). The answer pointed to the user's github repository and a video that I believe they ...
18 views

### What should we do for queries for term definitions?

There are quite a few questions like: What is the definition of ...? What is the difference between ... and ...? (asking for definitions of the terms) IMHO these are not DSP questions and should be ...
137 views

### should we encourage or expect posters to adopt the current common notation, $x[n]$, for discrete-time signals?

one of the things i remember that impressed me about my first exposure to Oppenheim & Schafer was the formal and rigorous use of math. one thing they did early on was to adopt a different ...
148 views

### Should there be a separate Image Processing & Computer Vision SE site?

There is a new proposal in Area 51 to start up an Image Processing & Computer Vision site. I had my doubts about it: Will this mean that DSP.SE and Cross Validated SE will lose members to the ...
31 views

### Are questions related to camera calibration on topic here?

I'm having a hard time getting answers for openCV based questions on SO. I understand that programming related questions should be on SO. However, I am also doing camera calibration and have some ...
37 views

### what symbol should we encourage peeps to use for convolution? for “equal to by definition”?

of course the traditional symbol is the six-pointed asterisk $*$ or $\ast$. of course, the problem with that is that all of these programming languages use the asterisk for multiplication. MattL ...
84 views

### Is this the place to ask about measurements produced by spectrophotometer?

I have a question regarding some reflectance measurements produced from a spectrophotometer. This is to measure the coloration of bird plumage. Is Signal Processing an appropriate stack exchange site ...
31 views

### How to correctly write units (second, Hertz) in formulae?

I cannot recommend enough the package siunitx in latex for unit and number formatting. What is the method of choice to write ...
54 views

### Is remote sensing somehow related to signal processing?

I wonder if remote sensing is related to signal processing and if I can have an advertisement like the following here in this meta site? Are there remote sensing experts who attend this community?
71 views

### Can we change the 'flag topic' reasons

When you flag a topic for moderator attention you have to go through the menus and pick a reason - these are usually way too narrow. For example if you flag something as off-topic you have a very ...
95 views

### Why there is no forum like DSP educators or tag like teaching?

There is http://www.matheducators.stackexchange.com/ which is a question and answer site for those involved in the field of teaching mathematics. Also, there is a tag https://math.stackexchange....
34 views

### i thought i was able to vote to close questions?

there's a question from a new person with rep=1 that is simply a photo of a page from a textbook. as two close votes already, but it says it needs 3 more. but there doesn't appear to be a way for me ...
72 views

### StackOverflow to CrossValidated to Signal Processing?

I asked a question on StackOverflow that users migrated to CrossValidated. Another user recommended Signal Processing, and I think SP might be a better home. I don't think I can move the question ...
24 views

### Hyphenated tags not working?

While trying to re-tag this question I've been unable to remove the tag kalman and replace it with kalman-filters. Whenever I ...