What can you do with a scene graph?
Scene graphs have led to many state-of-the-art models in image captioning, image retrieval, visual question answering, relationship modeling and image generation.
How are physical graph representations from visual scenes?
We formalize this idea as a Physical Scene Graph(PSG): a hierarchical graph in which nodes represent objects or their parts, edges represent relationships, and a vector of physically meaningful attributes is bound to each node.
What are the edges and vertices of a graph?
Definition− A graph (denoted as G = (V, E)) consists of a non-empty set of vertices or nodes V and a set of edges E. A vertex a represents an endpoint of an edge. An edge joins two vertices a, b and is represented by set of vertices it connects.
What is the definition of a graph in graph theory?
Graph Theory Definition − A graph (denoted as G = (V, E)) consists of a non-empty set of vertices or nodes V and a set of edges E. A vertex a represents an endpoint of an edge. An edge joins two vertices a, b and is represented by set of vertices it connects.
How does a traversal of a scene graph work?
A traversal generally consists of starting at some arbitrary node (often the root of the scene graph), applying the operation (s) (often the updating and rendering operations are applied one after the other), and recursively moving down the scene graph (tree) to the child nodes, until a leaf node is reached.
How are scene graphs used in visual genome?
In an effort to formalize a representation for images, Visual Genome defined scene graphs, a structured formal graphical representation of an image that is similar to the form widely used in knowledge base representations.
What kind of data structure is a scene graph?
Architecture of OpenSceneGraph, an open-source 3D graphics API supporting feature-rich and widely adopted scene graph implementation. A scene graph is a general data structure commonly used by vector-based graphics editing applications and modern computer games, which arranges the logical and often spatial representation of a graphical scene.