Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Graphical Representation of Inequalities01:28

Graphical Representation of Inequalities

The graph of the equation where y equals x squared forms a curve known as a parabola. This curve acts as a boundary in the coordinate plane, dividing it into distinct regions based on the relative position of points.When the equality sign in the equation is replaced with an inequality—such as greater than, less than, greater than or equal to, or less than or equal to—the graphical representation changes from a single curve into a broader shaded area that signifies the set of all points...
Vector Algebra: Graphical Method01:10

Vector Algebra: Graphical Method

Vectors can be multiplied by scalars, added to other vectors, or subtracted from other vectors. The vector sum of two (or more) vectors is called the resultant vector or, for short, the resultant.
We use the laws of geometry to construct resultant vectors, followed by trigonometry to find vector magnitudes and directions. For a geometric construction of the sum of two vectors in a plane, we follow the parallelogram rule. Suppose two vectors are at arbitrary positions. Translate either one of...
Storage01:23

Storage

A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze each...
State Space Representation01:27

State Space Representation

The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
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"...
Visual System01:26

Visual System

Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A syntactic approach to seismic pattern recognition.

IEEE transactions on pattern analysis and machine intelligence·2011
Same author

Generating object descriptions for model retrieval.

IEEE transactions on pattern analysis and machine intelligence·2011
Same author

Parsing and translation of (attributed) expansive graph languages for scene analysis.

IEEE transactions on pattern analysis and machine intelligence·2011
Same author

Parallel Parsing Algorithms and VLSI Implementations for Syntactic Pattern Recognition.

IEEE transactions on pattern analysis and machine intelligence·2011
Same author

A syntactic approach to 3-d object representation.

IEEE transactions on pattern analysis and machine intelligence·2011
Same author

Space-Time Domain Expansion Approach to VLSI and Its Application to Hierarchical Scene Matching.

IEEE transactions on pattern analysis and machine intelligence·2011

Related Experiment Video

Updated: May 29, 2026

Combining Eye-tracking Data with an Analysis of Video Content from Free-viewing a Video of a Walk in an Urban Park Environment
08:25

Combining Eye-tracking Data with an Analysis of Video Content from Free-viewing a Video of a Walk in an Urban Park Environment

Published on: May 7, 2019

An image understanding system using attributed symbolic representation and inexact graph-matching.

M A Eshera1, K S Fu

  • 1Department of Artificial Intelligence, Martin Marietta Laboratories, Baltimore, MD 21227.

IEEE Transactions on Pattern Analysis and Machine Intelligence
|August 27, 2011
PubMed
Summary

This study introduces an image understanding system using attributed relational graphs (ARGs) for global image comprehension. The system effectively extracts ARGs and measures image similarity, demonstrating capabilities in object localization and target detection.

Related Experiment Videos

Last Updated: May 29, 2026

Combining Eye-tracking Data with an Analysis of Video Content from Free-viewing a Video of a Walk in an Urban Park Environment
08:25

Combining Eye-tracking Data with an Analysis of Video Content from Free-viewing a Video of a Walk in an Urban Park Environment

Published on: May 7, 2019

Area of Science:

  • Computer Vision
  • Artificial Intelligence
  • Image Processing

Background:

  • Traditional image analysis often struggles with global information comprehension.
  • Representing complex image features and their relationships is a significant challenge.

Purpose of the Study:

  • To develop a powerful image understanding system using a semantic-syntactic representation.
  • To enable robust analysis and interpretation of global image content.

Main Methods:

  • Utilized attributed relational graphs (ARGs) where nodes represent global image features and branches represent relations.
  • Employed a multilayer graph transducer scheme for hierarchical symbolic mapping from spatial to global representation.
  • Implemented dynamic programming for calculating ARG distances and inexact matching to handle noise and distortion.

Main Results:

  • Successfully extracted ARG representations from images.
  • Defined a distance measure between images based on their ARG representations.
  • Demonstrated system capabilities in object localization and target detection in SAR images.

Conclusions:

  • The proposed system offers a robust approach to image understanding via attributed relational graphs.
  • The system effectively handles real-world image challenges like noise and distortion.
  • The methodology shows promise for advanced image analysis tasks.