Related Experiment Video
Updated: Jul 6, 2025

07:34
Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
Published on: June 3, 2013
17.4K
Virtual group photography based on scene and person perception.
Zhenquan Shi1, Hongming Lu2,3, Xinyue Sun2
1School of Software Engineering, Tiangong University, Tianjin, China.
Heliyon
|January 8, 2024
Summary
This study introduces a virtual group photography model to realistically add missing people into group photos. The method considers individual attributes and context for authentic virtual person synthesis.
Area of Science:
- Computer Science
- Artificial Intelligence
- Computer Vision
Background:
- Group photos are essential for documenting events.
- Existing methods for adding people to group photos often lack realism.
- Current approaches fail to integrate individual characteristics like height and body shape, or simultaneously consider pose and boundary.
Purpose of the Study:
- To develop a novel virtual group photography model.
- To enhance the realism and authenticity of synthesizing individuals into group photos.
- To address limitations in current context-prediction models by incorporating individual attributes.
Main Methods:
- A two-stage virtual group photography model was proposed.
- Stage 1: Predicts individual attributes (position, pose, boundary) using global context and target person characteristics.
- Stage 2: Generates the new group photo based on the predicted pose and boundary information.
Main Results:
- The proposed method significantly improves the harmony and authenticity of synthesized individuals in group photos.
- The model successfully synthesizes individuals who should be present in the group.
- Experimental results demonstrate superior performance in virtual group photo composition.
Conclusions:
- The virtual group photography model effectively combines global context and individual attributes.
- The approach offers a significant advancement for creating realistic group photos with absent individuals.
- This method is highly suitable for applications in virtual group photography and image synthesis.
Related Concept Videos
Gestalt Principles of Perception
311
Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
311
Factors Affecting Perception
1.6K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
An illustrative example of a perceptual set is the scenario where an airline pilot told...
1.6K
Deindividuation
26.4K
Deindividuation is a form of social influence on an individual’s behavior such that the individual engages in unusual or non-normal behavior while in a group setting. Why? Because in these group settings, the individual no longer sees themselves as an individual anymore, disinhibiting their behavior and personal restraint.
26.4K
Perception
465
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
465
Depth Perception and Spatial Vision
661
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.
661
Light Acquisition
8.5K
In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
8.5K

