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Article
Open AccessNeRF-FF: a plug-in method to mitigate defocus blur for runtime optimized neural radiance fields
Neural radiance fields (NeRFs) have revolutionized novel view synthesis, leading to an unprecedented level of realism in rendered images. However, the reconstruction quality of NeRFs suffers significantly from...
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Article
Open AccessUbiquitous multi-occupant detection in smart environments
Recent advancements in ubiquitous computing have emphasized the need for privacy-preserving occupancy detection in smart environments to enhance security. This work presents a novel occupancy detection solutio...
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Article
Open AccessThe overlap** effect and fusion protocols of data augmentation techniques in iris PAD
Iris Presentation Attack Detection (PAD) algorithms address the vulnerability of iris recognition systems to presentation attacks. With the great success of deep learning methods in various computer vision fie...
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Article
Open AccessSeamless and non-repetitive 4D texture variation synthesis and real-time rendering for measured optical material behavior
We show how to overcome the single weakness of an existing fully automatic system for acquisition of spatially varying optical material behavior of real object surfaces. While the expression of spatially varyi...
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Chapter and Conference Paper
Piggybacking Detection Based on Coupled Body-Feet Recognition at Entrance Control
A major risk of an automated high-security entrance control is that an authorized person takes an unauthorized person into the secured area. This practice is called “piggybacking”. Known systems try to prevent...
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Chapter and Conference Paper
Text Localization in Born-Digital Images of Advertisements
Localizing text in images is an important step in a number of applications and fundamental for optical character recognition. While born-digital text localization might look similar to other complex tasks in t...
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Chapter and Conference Paper
Web-Based Visualization Component for Geo-Information
Three-dimensional visualization of maps is becoming an increasingly important issue on the Internet. The growing computing power of consumer devices and the establishment of new technologies like HTML5 and Web...
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Chapter and Conference Paper
Visualization of Zoomable 2D Projections on the Web
The objective of the work is the research and development of a web-based visualization system for the creation and testing of zoomable projection cards. The basic idea is to project a multidimensional data set...
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Chapter and Conference Paper
Visual Guidance to Find the Right Spot in Parameter Space
The last few decades brought upon a technological revolution that has been generating data by users with an ever increasing variety of digital devices, resulting in such an incredible volume of data, that we a...
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Chapter and Conference Paper
Fiber Defect Detection of Inhomogeneous Voluminous Textiles
Quality assurance of dry cleaned industrial textiles is still a mostly manually operated task. In this paper, we present how computer vision and machine learning can be used for the purpose of automating defec...
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Chapter and Conference Paper
Investigating Low-Cost Wireless Occupancy Sensors for Beds
Occupancy sensors are used in care applications to measure the presence of patients on beds or chairs. Sometimes it is necessary to swiftly alert help when patients try to get up, in order to prevent falls. Mo...
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Chapter and Conference Paper
Screen Space Cone Tracing for Glossy Reflections
Indirect lighting (also Global Illumination (GI)) is an important part of photo-realistic imagery and has become a widely used method in real-time graphics applications, such as Computer Aided Design (CAD), Au...
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Chapter and Conference Paper
Dynamic Sampling for Visual Exploration of Large Dense-Dense Matrices
We present a technique which allows visual exploration of large dense-occupied similarity matrices. It allows the comparison of several dimensions of a multivariate data set. For the visualization, the data ar...
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Chapter and Conference Paper
Exploring Machine Learning Object Classification for Interactive Proximity Surfaces
Capacitive proximity sensors are a variety of the sensing technology that drives most finger-controlled touch screens today. However, they work over a larger distance. As they are not disturbed by non-conducti...
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Chapter and Conference Paper
Visualization of Composer Relationships Using Implicit Data Graphs
Relationships between classical music composers are known due to explicit historic material, for instance the friendship between Joseph Haydn and Wolfgang Amadeus Mozart, as well as the influence of the latter...
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Chapter and Conference Paper
Mid-Air Gestures for Virtual Modeling with Leap Motion
We study to which extent Leap Motion can be used for mid-air interaction while working on various virtual assembling and shape modeling tasks. First, we outline the conceptual design phase, which is done by st...
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Chapter and Conference Paper
High Availability of Big-Geo-Data as a Platform as a Service
There are ever-increasing challenges in the development of spatial data. The data increase rises continuously. The sharp rise in these information collections more and more data storage is required. Furthermor...
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Article
Guest Editorial: Scale Space and Variational Methods
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Chapter and Conference Paper
Visual Comparison of 3D Medical Image Segmentation Algorithms Based on Statistical Shape Models
3D medical image segmentation is needed for diagnosis and treatment. As manual segmentation is very costly, automatic segmentation algorithms are needed. For finding best algorithms, several algorithms need to...
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Chapter and Conference Paper
Immersive Interaction Paradigms for Controlling Virtual Worlds by Customer Devices Exemplified in a Virtual Planetarium
This work provides an insight into the basics of 3D applications in conjunction with various customer devices. In this case, the application is a 3D planetarium of our solar system for a museum. The aim is to ...
