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The current advances in hardware led to the development of the GPGPU (General-purpose computing on graphics processing units) paradigm. Thus, nowadays, the GPU (Graphics Processing Unit) is used not only for graphics programming, but also for general purpose algorithms. This paper discusses several methods regarding the use of CUDA (Compute Unified Device Architecture) for 2D and 3D image processing...
Nowadays, people have to face many challenges In order to become familiar with all the functionalities of electronical devices. The training process becomes thus essential, especially when we are referring to consumer electronics created for people with disabilities. Our paper presents the importance of training visually impaired people for an advanced sensory substitution device. By using the advantages...
We propose a new method for segmenting indoor scenes captured with RGBD or depth cameras with a simple and fast iterative CPU segmentation. The segmentation consists of three main steps. In the first stage, regions grow by adding new pixels based on depth information and normal vectors. Next, multiple regions are merged into bigger surfaces based on adjacency and region statistics. The last stage...
This paper aims to test the hypothesis that audiovisual perceptual feedback based training can improve the sound localization accuracy and the navigational skills in a virtual auditory display where 3D sounds are created using non-individualized HRTFs. In our experiment, we tested the spatial auditory localization performance of nine sighted subjects prior and consequently a series of training procedures...
In this paper we describe the usability assessment of a system designed to help blind and visually impaired people to navigate and perceive the environment. The proposed system is based on sensory substitution, remapping the vision stimuli into audio and haptic ones. The goal of this study is to aid the development of the sensory substitution device (SSD) by understanding how the different choices...
Near infrared light or NIR is not absorbed well by water or blood, which are the main components of biological tissue. For this reason, it can reach a significant depth of optical penetration, thus achieving increased illumination of internal structures. Even if there are some approaches based on near infrared light that allow the analysis of tissue near the skin, there is very little research regarding...
As the number of people suffering from visual impairments continuously increases, there is strong need for efficient sensory substitution devices, that can support creating a rich mental spatial depiction of the environment. The use of the auditory sense has proved to be an effective approach towards creating a method of interaction with the elements of the surrounding space in a way which resembles...
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