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Questions tagged [human-computer-interface]

50 questions
22
votes
7 answers

Eye-tracking for code editing

Is there a decent eye tracking package to replace the mouse for code editing? I want to free up the mouse, but keep using my keyboard for editing code. Having done some research on it, I concluded that proper eye tracking hardware is expensive.…
Petrus Theron
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9
votes
1 answer

gaze estimation from an image of an eye

I've been able to detect pupil and the eye corners accurately so far. You can see a few snaps i uploaded in my answer to my own question here: Performing stable eye corner detection Here's what i've done so far. I calibrated the gaze of the user by…
bad_keypoints
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8
votes
2 answers

Which direction is better for sorting multi-column lists?

Please note, I'm not asking how to implement or code a multi-column list. There are two ways to sort multi-column lists: horizontal and vertical. Many of the Microsoft System.Web.UI.WebControls have a RepeatDirection property that offers these two…
Jim W
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7
votes
3 answers

What's the most Cocoaish way to show that a text field is invalid?

I have a text field which is validated whenever it loses focus. I want to be able to indicate that the value invalid during input so the user has the opportunity to correct their mistake before explicitly moving focus away from the box and…
Joe
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6
votes
6 answers

1 Hour for Human Factors and Usability

I have volunteered to give a one hour lunchtime briefing at my workplace to our user experience team. I have a passion and love for human factors and user interface design and have had my hand in it for entire (albeit short) career. The problem I…
JasCav
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4
votes
5 answers

Can humor cut down on perceived response time?

After reading a StackoOverflow question https://stackoverflow.com/questions/182112/funny-loading-statements-to-keep-users-amused, I was really intrigued to ponder upon this question "Can humor cut down on response time?" In a page loading lots of…
Navneet
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3
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0 answers

Easy eye tracking algorithm

I'm looking for an algorithm that can tell me where are the eye(s) looking at on a photo/webcam realtime feed. I've already searched a lot but I don't want to start with a lot of complexity right now. It's just for fun. My idea it's to have some…
rnunes
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3
votes
1 answer

Human Computer Interaction vs Interaction Design

According to Wikipedia Human Computer Interaction involves the study, planning, and design of the interaction between people (users) and computers. Interaction Design is the practice of: understanding users’ needs and goals designing tools for…
Aida E
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3
votes
2 answers

Internetless vocal trigger recognition

Speech recognition on handheld devices is usually triggered by a press of a button. How do I go about triggering speech recognition without that? My Raspberry PI based device intentionally does not have anything users are able to interact with…
abolotnov
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2
votes
1 answer

Pre-processing of eye-tracking data for analysis in the 'eyetrackingR' package

The 'eyetrackingR' package seems promising for the analysis of eye-tracking data but I am encountering an issue when trying to get the data in the appropriate format. The area of interest (aoi) is set with left, right, bottom, and top bounds, and I…
Lukas
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2
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0 answers

How to set I/O values in siemens PLC Device?

I am creating a Web API for a local network in the .net framework(C#). In that user can import/export IO Tags from excel or set them as a static string array. I have added (Siemens.Engineering.Hmi.dll) but still, it shows a not found compile-time…
Dot Net
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0 answers

Is that possible to get facial expression information like animojis via CoreML or ARkit?

As Apple shown yesterday, the Animoji is amazingly retarget human facial movement to emojis, so is it possible for us to use something like the picture below via CoreML or ARkit?
Haven Fung
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2
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1 answer

What is the difference between System Image and Conceptual model in interaction design?

I have Googled this but couldn't find a good answer. I understand that they are closed related. If someone has a definite answer on what the difference is I would be very grateful. Thank you.
Effie Spenge
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2
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1 answer

Existing Objective-C library for dealing with human readability (and based on Cocoa's Foundation framework)?

Is there an existing Objective-C library for dealing with human readability of object counts, file sizes, dates, time durations and so on? (and based on Cocoa's Foundation framework?) In other words, given an NSDate, NSNumber, NSTimeInterval etc. or…
Rinzwind
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2
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2 answers

Is ISO 9241 (Ergonomics of Human System Interaction) relevant in the industry?

Are standards like ISO 9241 "Ergonomics of Human System Interaction" of any relevance in the industry? Are there examples of certified software products? And would you do a certification of your software products?
spa
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