Spain’s
gaming industry,
in focus.

Game Engine Performance Issues

20.3% of this theme group

Researchers highlight bottlenecks and optimization challenges when using game engines for interactive applications.

Game engine (42) · Video game design (6) · Game design (9) · Video game (5)

Performance Analysis and Optimization Techniques in Unity 3D

Adopting game technology for architectural visualization

Engine Selection for Specialized Domains

19.9% of this theme group

Studies discuss difficulties choosing and adapting game engines for non‑gaming fields such as architecture and education.

Game engine (50) · Human–computer interaction (21) · Video game development (13) · Game programming (8)

A framework for game engine selection for gamification and serious games

Coupling BIM and Game Engine Technologies for Construction Knowledge Enhancement

Real‑Time Rendering Constraints

19.6% of this theme group

Papers examine limits of current real‑time rendering techniques on mobile and distributed platforms.

Rendering (53) · Computer graphics (37) · Real-time rendering (23) · Graphics (13)

A review of real-time rendering technology based on mobile internet platforms

Multimedia Image Rendering on a Distribued Computer System

Advanced Real‑Time Rendering Techniques

18.3% of this theme group

Research points out challenges in implementing ray tracing, portals, and other high‑fidelity methods at interactive rates.

Rendering (54) · 3D rendering (20) · Image-based modeling and rendering (19) · Real-time rendering (24)

Real time ray tracing of point-based models

Rendering Portals in Virtual Reality

Realistic Natural Scene Rendering

16.3% of this theme group

Works identify obstacles to achieving lifelike lighting and geometry for forests and vegetation in real time.

Real-time rendering (35) · Rendering (48) · Tiled rendering (13) · Computer graphics (27)

Real-time Realistic Rendering and Lighting of Forests

Research on realistic tree rendering technology

Subdivision Surface Rendering Limits

5.6% of this theme group

Authors note difficulties in efficiently rendering complex subdivision surfaces and maintaining color accuracy.

Rendering (15) · Subdivision (3) · Subdivision surface (2) · Color rendering index (2)

Implicit surface octrees for ray tracing point models

Abstract Subdivision Surfaces in Character Animation

Trade‑offs in Real‑Time Rendering Quality

51.1% of this theme group

Cautionary studies warn about visual compromises when employing tiled and multi‑resolution rendering methods.

Rendering (44) · Real-time rendering (19) · Computer graphics (18) · Tiled rendering (11)

Multi-resolution depth-of-field rendering

Realistic Rendering Of Virtual Worlds

Educational Use of Game Engines

21.6% of this theme group

Researchers advise careful assessment of learning outcomes when repurposing game engines for teaching and design.

Game engine (16) · Human–computer interaction (4) · Game design (4) · Video game development (4)

The Investigation on Using Unity3D Game Engine in Urban Design Study

Mathematics Learning by Programming in a Game Engine: Development of Knowledge and Student Motivation

Perception Issues in Virtual Reality

18.2% of this theme group

Works caution that rendering approximations can affect user perception and realism in immersive environments.

Virtual reality (8) · Rendering (16) · Perception (5) · Virtual actor (3)

The Impact of Reflection Approximations on Visual Quality in Virtual Reality

Video1_The Effect of Virtual Human Rendering Style on User Perceptions of Visual Cues.MOV

Hybrid Raster‑Ray Tracing Challenges

9.1% of this theme group

Studies highlight technical and performance hurdles when combining rasterization with ray tracing for real‑time illumination.

Ray tracing (3) · Computer graphics (5) · DirectX (2) · Rendering (7)

Combining Rasterization and Ray Tracing Techniques to Approximate Global Illumination in Real-Time

Ray tracing for HoloVizio light field displays

Volume Rendering Advances

29.8% of this theme group

Opportunities focus on new algorithms and hardware acceleration for high‑quality volumetric visualization.

Rendering (1,650) · Volume rendering (235) · Computer graphics (552) · Tiled rendering (250)

An Improved Method for Volume Rendering

Volume Rendering

Real‑Time Terrain Rendering

19.4% of this theme group

Research explores efficient techniques for rendering large‑scale terrains with dynamic lighting and painterly effects.

Rendering (1,083) · Real-time rendering (639) · Computer graphics (698) · Terrain (143)

Real-Time Painterly Rendering of Terrains

Techniques for Real Time Spectral Rendering

Game Engine‑Based Simulation

17.4% of this theme group

Papers present novel applications of game engines for virtual workplaces, mechanics, and interactive simulations.

Game engine (735) · Video game development (153) · Game design (126) · Game programming (71)

DESIGNING VIRTUAL WORKPLACE USING UNITY 3D GAME ENGINE

An Improved Approach for Mechanics Simulation Based on Game Engine

Global Illumination for Real‑Time

11.7% of this theme group

Works investigate fast approximations of complex lighting models, enabling realistic illumination at interactive frame rates.

Global illumination (263) · Rendering (646) · Radiance (99) · Bidirectional reflectance distribution function (57)

Real-Time Rendering for Multi-Layered Translucent Materials such as Human Skin under Dynamic Environment Lighting

Real-time rendering with complex natural illumination

GPU‑Accelerated Shader Techniques

9.3% of this theme group

Studies showcase shader and GPU strategies that boost performance for volume and image rendering tasks.

Rendering (510) · Computer graphics (297) · Real-time rendering (165) · Shader (83)

GPU-Based Volume Rendering Techniques

Image Volume Rendering based on GPU Computing

Mixed Reality Interaction

8.2% of this theme group

Research highlights immersive AR/VR experiences that blend human‑computer interaction with game engine capabilities.

Virtual reality (251) · Human–computer interaction (162) · Game engine (205) · Augmented reality (74)

Creating Interactive and Realistic Augmented Reality Experiences

PERFORMING 3D MEASUREMENTS IN A VR ENVIRONMENT

Gaussian Splatting for Dynamic Scenes

4.2% of this theme group

Papers propose Gaussian‑based methods to render rapidly changing scenes with high visual fidelity.

Gaussian (172) · Rendering (231) · Real-time rendering (84) · Gaussian process (9)

4D Gaussian Splatting for Real-Time Dynamic Scene Rendering

Real-time Rendering Optimization with Gaussian Splatting

Barcelona

41.2% across the displayed hubs

4 companies hiring · $87.2M disclosed funding

Madrid

30.8% across the displayed hubs

3 companies hiring · $44.7M disclosed funding

Valencia

10.4% across the displayed hubs

0 companies hiring · $24.5M disclosed funding

Malaga

5.5% across the displayed hubs

1 companies hiring · $378.8K disclosed funding

Seville

3.8% across the displayed hubs

0 companies hiring · $0 disclosed funding

Bilbao

3.0% across the displayed hubs

0 companies hiring · $2.2M disclosed funding

Alicante

2.7% across the displayed hubs

0 companies hiring · $1.3M disclosed funding

Zaragoza

2.5% across the displayed hubs

0 companies hiring · $4.4M disclosed funding