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Questions tagged [human-computer-interface]

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we are sending a page for printing to a printer with 500 dpi. the page size is 300*500 pixels. if each pixel is 20 bit then how much memory required?

I am stuck in solving the problem given below: We are sending a page for printing to a printer with 500 dpi. the page size is 300*500 pixels. if each pixel is 20 bit then how much memory this would take in memory? If anyone can solve this problem…
Muhammad Kashif
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Unity smooth precise camera moving with inertia

I am trying to write a camera script but it is not working as intended. void LateUpdate(){ if (Input.GetMouseButtonDown(0) { _lastPosition = Input.mousePosition; } if (Input.GetMouseButton(0)) { …
xeligecu
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Correct way to show a row with incomplete content, using Apple's human interface guidelines?

I'm trying to display a tableview row with content that shows a warning that the content is incomplete and needs to be edited further before the content can be used. One method I've come upon is where the user would tap on a disclosure button, and…
user3284547
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UIToolBar left/right side button text

Apple's "human interface guidelines" is clear about which side (left or right) you should place certain tool-bar buttons: CANCEL (left).... and.... DONE (right). Which side (left or right) should other buttons go on? ADD and DONE EDIT and…
Patricia
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How to make an existing navbar with position fixed?

I made the following nav bar for the website of a client. But just at the end Client told me to make this navbar fixed on top, Obviously it will take a lot of time and effort to build a navbar from scratch just to make it fixed on top. Is there any…
Shahrukh Nasir
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detect face from cctv image

My requirement is i need to detect human face from the given cctv image. In the cctv image there will be unnecessary objects which need to be removed.if the obtained face image is blur needs to improve the quality as well currently we are trying…
Mingle Breeze
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Novel Interaction Techniques

What exactly are Novel Interaction Techniques, in the context of Human Computer Interaction and Computer Graphics? I have some confusion in mind regarding this, can someone explain with examples? Thanks.
Gooner
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How can I use elasticsearch to search with special commands in query?

I have an elastic index with many documents. A document represents some event. Every event has a date and geolocation. I would like to send queries like these: "Some event in LA", "Some event tomorrow", "Some event near me"... How could I build this…
degratnik
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How to show tabular data in a nice and practical way

My iOS app is a mobile version of a management program I had developed for a company as a desktop application. So its main tasks are saving data in a database and retrieve them when needed with the option to edit them. So I guess that the GUI is…
SagittariusA
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Is Digital library website or system?

I am working now on a usability evaluation for digital library and I want to ask is an academic digital library considering educational website or information retrieval system ? in another word, is the library (website or system)? and what is the…
John
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Is it important to map the physical interaction of users with the design requirements of the intended interface?

Is it important to map the physical interaction of users with the design requirements of the intended interface? Why can't we perform both of these activities in isolation? Give reasons for your answer
William Good
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Estimating the gaze using pupil and glint xy coordinates

I have managed to track the center x y coordinate and the radius of the pupil using opencv. Now I want to measure the gaze using it. If somebody can help me with the theory part of it, probably I will be able to code it. Any open source program will…
Anirudh
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Is there a standard file naming convention for key-value pairs in filename?

I have multiple data files that are named after what they contain. For example machine-testM_pid-1234_key1-value1.log There are keys and values separated by - and _. Is there a better syntax for this? Are there parsers that automatically read these…
Juha
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Simple Web Cam Mouse

Object:- How can I implement web cam mouse using visible light. Details:- there will be a web cam seeing my right hand in visible light as follows i.stack.imgur.com/6ztqf.jpg :- I want to make a system where I will control the mouse pointer with my…
Hacklavya
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When should I use a title in an AlertDialog?

From a user-interface perspective, why is there a title option to an AlertDialog? Why doesn't the message alone suffice? Do we really need a title? If so, please provide visual examples of where a title would be useful. The AlertDialog…
Jeff Axelrod
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