نتایج جستجو برای: blink detection
تعداد نتایج: 568580 فیلتر نتایج به سال:
This paper describes the voluntary eye blink detection method using electrooculogram (EOG). There are still challenge problems to put brain-computer interface (BCI) systems to real-life applications. In general BCI systems, there is a possibility of incorrect and unintentional input because input is automatically selected even if the requirements are accidentally met. This study aims to propose...
This paper presents comparison of two image processing algorithms used for eye blink detection. The motivation of this research work is the need of disabled persons who are unable to move their body parts except eyes. The process of blink detection is divided into three parts viz.face localization, eye pair localization and template matching method. In method 1, YCbCr color model and morphologi...
The attentional blink has been attributed to capacity limitations at a central level of processing. We tested whether failure to identify the target would eliminate the blink. Two agnostic patients were presented with streams of letters, which they were able to identify, and streams of pictures, which they were unable to identify. The dual-task involved identification of a target and detection ...
In this paper, a tree decomposition model for eye blink detection is presented. The work is defined as a layered model for identification of human object over the video and identifying the moment based analysis over the video frames. At first the object region is identified and then the decomposition model is applied for eye blink identification based on featured map. The results show that the ...
Introduction: Nowadays, excessive computer use in the workplace has raised concerns about the health status of VDT workers, particularly complaints about eye discomforts. Due to the importance of the eyelids and eye closure parameters on eye health during computer works and the direct effect of monitor height on these parameters, this study was aimed to examine the effect of different monitor h...
Human’s especially handicapped people it is difficult to operate the system. This paper deals with interface of system and a people with their eye blinking. Here we can find out the eye blinking of any person who can operate the system with a detection function. By using this detection function we can estimate the position of an eye blink. The measurement of an eye blink parameter provides requ...
A sentence is readily understood and recalled when presented 1 word at a time using rapid serial visual presentation (RSVP) at 10 words/s (Potter, 1984). In contrast, selecting just 2 colored letters at 10 letters/s results in easy detection of the first target but poor recall for the second when it appears 200-500 ms later. This attentional blink disappears when all letters must be reported; i...
Previous studies of the characteristics of suppression occurring under various visual conditions show similarities and differences which may indicative of the mechanism of suppression. The primary purpose of this study was to determine if the suppression that occurs in response to an eyelid blink (blink suppression) is similar to that which occurs during a saccade (saccadic suppression). In add...
IMPORTANCE Facial paralysis is a life-altering condition that significantly impairs function, appearance, and communication. Facial rehabilitation via closed-loop pacing represents a potential but as yet theoretical approach to reanimation. A first critical step toward closed-loop facial pacing in cases of unilateral paralysis is the detection of healthy movements to use as a trigger to prosthe...
PURPOSE To detect and quantify eye blinks during 24-hour intraocular pressure (IOP) monitoring with a contact lens sensor (CLS). METHODS A total of 249 recordings of 24-hour IOP patterns from 202 participants using a CLS were included. Software was developed to automatically detect eye blinks, and wake and sleep periods. The blink detection method was based on detection of CLS signal peaks gr...
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