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Related Concept Videos

Blind Procedures02:07

Blind Procedures

Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which child was...
Visual Agnosia01:12

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.

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Related Experiment Video

Updated: May 9, 2026

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
09:01

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

Published on: March 27, 2013

Finding Objects for Assisting Blind People.

Chucai Yi, Roberto W Flores, Ricardo Chincha

    Network Modeling and Analysis in Health Informatics and Bioinformatics
    |July 30, 2013
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a camera-based system to help visually impaired individuals locate everyday items. The computer vision approach uses feature descriptors for effective object recognition, enhancing daily living assistance.

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    A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision
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    Published on: February 11, 2014

    Related Experiment Videos

    Last Updated: May 9, 2026

    Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
    09:01

    Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

    Published on: March 27, 2013

    A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision
    09:29

    A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision

    Published on: February 11, 2014

    Area of Science:

    • Computer Vision
    • Assistive Technology

    Background:

    • Computer vision aids blind individuals in navigation.
    • Limited camera-based systems exist for finding daily necessities for the visually impaired.

    Purpose of the Study:

    • To propose a prototype system for object finding to assist blind and visually-impaired individuals.
    • To develop a camera-based network and matching-based recognition system for daily necessities.

    Main Methods:

    • Collected a dataset of daily necessities.
    • Applied Speeded-Up Robust Features (SURF) and Scale Invariant Feature Transform (SIFT) for object recognition.

    Main Results:

    • Experimental results demonstrated the effectiveness of the proposed prototype system.
    • The system successfully recognized daily necessities using SURF and SIFT feature descriptors.

    Conclusions:

    • The developed system shows promise for assisting visually impaired individuals in locating everyday objects.
    • This research contributes to the advancement of assistive technology for the visually impaired.