Tim Weyrich
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View article: Example-Based Feature Painting on Textures
Example-Based Feature Painting on Textures Open
In this work, we propose a system that covers the complete workflow for achieving controlled authoring and editing of textures that present distinctive local characteristics. These include various effects that change the surface appearance…
View article: FruitNeRF++: A Generalized Multi-Fruit Counting Method Utilizing Contrastive Learning and Neural Radiance Fields
FruitNeRF++: A Generalized Multi-Fruit Counting Method Utilizing Contrastive Learning and Neural Radiance Fields Open
We introduce FruitNeRF++, a novel fruit-counting approach that combines contrastive learning with neural radiance fields to count fruits from unstructured input photographs of orchards. Our work is based on FruitNeRF, which employs a neura…
View article: Efficient Perspective‐Correct 3D Gaussian Splatting Using Hybrid Transparency
Efficient Perspective‐Correct 3D Gaussian Splatting Using Hybrid Transparency Open
3D Gaussian Splats (3DGS) have proven a versatile rendering primitive, both for inverse rendering as well as real‐time exploration of scenes. In these applications, coherence across camera frames and multiple views is crucial, be it for ro…
View article: Inverse Rendering of Near-Field mmWave MIMO Radar for Material Reconstruction
Inverse Rendering of Near-Field mmWave MIMO Radar for Material Reconstruction Open
Near-field multiple-input multiple-output (MIMO) radar systems allow for high-resolution spatial imaging by leveraging multiple antennas to transmit and receive signals across multiple perspectives. This capability is particularly advantag…
View article: Quantized FCA: Efficient Zero-Shot Texture Anomaly Detection
Quantized FCA: Efficient Zero-Shot Texture Anomaly Detection Open
Zero-shot anomaly localization is a rising field in computer vision research, with important progress in recent years. This work focuses on the problem of detecting and localizing anomalies in textures, where anomalies can be defined as th…
View article: MAROON: A Dataset for the Joint Characterization of Near-Field High-Resolution Radio-Frequency and Optical Depth Imaging Techniques
MAROON: A Dataset for the Joint Characterization of Near-Field High-Resolution Radio-Frequency and Optical Depth Imaging Techniques Open
Utilizing the complementary strengths of wavelength-specific range or depth sensors is crucial for robust computer-assisted tasks such as autonomous driving. Despite this, there is still little research done at the intersection of optical …
View article: Efficient Perspective-Correct 3D Gaussian Splatting Using Hybrid Transparency
Efficient Perspective-Correct 3D Gaussian Splatting Using Hybrid Transparency Open
3D Gaussian Splats (3DGS) have proven a versatile rendering primitive, both for inverse rendering as well as real-time exploration of scenes. In these applications, coherence across camera frames and multiple views is crucial, be it for ro…
View article: Lite2Relight: 3D-aware Single Image Portrait Relighting
Lite2Relight: 3D-aware Single Image Portrait Relighting Open
Achieving photorealistic 3D view synthesis and relighting of human portraits\nis pivotal for advancing AR/VR applications. Existing methodologies in portrait\nrelighting demonstrate substantial limitations in terms of generalization and\n3…
View article: Blind Localization and Clustering of Anomalies in Textures
Blind Localization and Clustering of Anomalies in Textures Open
Anomaly detection and localization in images is a growing field in computer vision. In this area, a seemingly understudied problem is anomaly clustering, i.e., identifying and grouping different types of anomalies in a fully unsupervised m…
View article: Automatic Spatial Calibration of Near-Field MIMO Radar With Respect to Optical Depth Sensors
Automatic Spatial Calibration of Near-Field MIMO Radar With Respect to Optical Depth Sensors Open
Despite an emerging interest in MIMO radar, the utilization of its complementary strengths in combination with optical depth sensors has so far been limited to far-field applications, due to the challenges that arise from mutual sensor cal…
View article: Inovis: Instant Novel-view Synthesis
Inovis: Instant Novel-view Synthesis Open
Novel-view synthesis is an ill-posed problem in that it requires inference of previously unseen information. Recently, reviving the traditional field of image-based rendering, neural methods proved particularly suitable for this interpolat…
View article: Inovis: Instant Novel-view Synthesis
Inovis: Instant Novel-view Synthesis Open
Novel-view synthesis is an ill-posed problem in that it requires inference of previously unseen information. Recently, reviving the traditional field of image-based rendering, neural methods proved particularly suitable for this interpolat…
View article: A Deeper Analysis of Volumetric Relightable Faces
A Deeper Analysis of Volumetric Relightable Faces Open
Portrait viewpoint and illumination editing is an important problem with several applications in VR/AR, movies, and photography. Comprehensive knowledge of geometry and illumination is critical for obtaining photorealistic results. Current…
View article: Quantitative and Qualitative Analysis of Individual Experiences Post Botulinum Toxin Injection - United Kingdom Survey
Quantitative and Qualitative Analysis of Individual Experiences Post Botulinum Toxin Injection - United Kingdom Survey Open
Introduction In the United Kingdom (UK), complications that arise following the administration of Botulinum Toxin are reported to the Medicines and Health Regulatory Agency (MHRA) via the Yellow Card Reporting Scheme. Over the past decade,…
View article: Achieving Efficient and Realistic Full-Radar Simulations and Automatic Data Annotation by exploiting Ray Meta Data of a Radar Ray Tracing Simulator
Achieving Efficient and Realistic Full-Radar Simulations and Automatic Data Annotation by exploiting Ray Meta Data of a Radar Ray Tracing Simulator Open
In this work a novel radar simulation concept is introduced that allows to simulate realistic radar data for Range, Doppler, and for arbitrary antenna positions in an efficient way. Further, it makes it possible to automatically annotate t…
View article: O161 Profiling UK injectable aesthetic practitioners: a national cohort analysis
O161 Profiling UK injectable aesthetic practitioners: a national cohort analysis Open
Introduction The United Kingdom injectables market has been growing rapidly. The lack of formal, robust regulation has led to the UK Government seeking to evaluate methods of regulating the industry, as very little information or evidence …
View article: Achieving Efficient and Realistic Full-Radar Simulations and Automatic Data Annotation by Exploiting Ray Meta Data from a Radar Ray Tracing Simulator
Achieving Efficient and Realistic Full-Radar Simulations and Automatic Data Annotation by Exploiting Ray Meta Data from a Radar Ray Tracing Simulator Open
In this work, a novel radar simulation concept for efficiently simulating realistic radar data for range, Doppler, and arbitrary antenna positions is introduced. With the concept, the simulated radar signal can also be automatically annota…
View article: O165 Cosmetic business mechanics in London: a cross sectional analysis and audit of ASA compliance
O165 Cosmetic business mechanics in London: a cross sectional analysis and audit of ASA compliance Open
Introduction We aim to perform a cross-sectional analysis of the practitioners in London, UK to evaluate the distribution of clinics within the Greater London, prices advertised for interventions, and compliance with the Advertising Standa…
View article: High-Fidelity Zero-Shot Texture Anomaly Localization Using Feature Correspondence Analysis
High-Fidelity Zero-Shot Texture Anomaly Localization Using Feature Correspondence Analysis Open
We propose a novel method for Zero-Shot Anomaly Localization on textures. The task refers to identifying abnormal regions in an otherwise homogeneous image. To obtain a high-fidelity localization, we leverage a bijective mapping derived fr…
View article: Cosmetic business mechanics in London: A cross‐sectional analysis and audit of <scp>ASA</scp> compliance
Cosmetic business mechanics in London: A cross‐sectional analysis and audit of <span>ASA</span> compliance Open
Introduction The proliferation of providers and practitioners of cosmetic botulinum toxin and dermal filler has profound public health implications. The Advertising Standards Authority (ASA) regulates the use of advertising materials in th…
View article: Place-Based Development of Egypt's Handicraft Clusters: A Review of al-Darb al-Ahmar Cluster in Historic Cairo
Place-Based Development of Egypt's Handicraft Clusters: A Review of al-Darb al-Ahmar Cluster in Historic Cairo Open
This report aim to elucidate strategies to foster the sustainable development and support the digital transformation of the handicraft industries in Egypt. In particular, the report presents the interdisciplinary research co-developed duri…
View article: 920 Complications of Facial Cosmetic Botulinum Toxin an Injections: A Systematic Review and Meta-Analysis
920 Complications of Facial Cosmetic Botulinum Toxin an Injections: A Systematic Review and Meta-Analysis Open
Aim Botulinum toxin A (BoNT-A) injections are a popular non-surgical procedure for facial rejuvenation with increasingly pervasive use in cosmetic clinical practice. This study analyzes the safety profile of cosmetic glabellar and forehead…
View article: 927 An Analysis of the United Kingdom Education Courses for Aesthetic Practice
927 An Analysis of the United Kingdom Education Courses for Aesthetic Practice Open
Aim The training of cosmetic and aesthetic practitioners has received national attention since the 2013 Keogh review of the regulations of cosmetic interventions. The 2015 HEE cosmetic guidelines recommended level 7 accreditation in Inject…
View article: Facial skin ageing: Key concepts and overview of processes
Facial skin ageing: Key concepts and overview of processes Open
Introduction The face is a cosmetically sensitive region where the process of ageing is most clearly manifested. With increased focus on anti‐ageing and longevity, more anti‐senescent treatments are being proposed despite limited evidence.…
View article: Complications of Cosmetic Botulinum Toxin A Injections to the Upper Face: A Systematic Review and Meta-Analysis
Complications of Cosmetic Botulinum Toxin A Injections to the Upper Face: A Systematic Review and Meta-Analysis Open
Background Botulinum toxin A (BoNT-A) injections are a popular non-surgical procedure for facial rejuvenation. Its increase in popularity and utilization is met with limited regulations, potentially posing a significant risk to patient saf…
View article: Tactile prints in colour: Studying the Visual Appearance of 2.5D Prints for Heritage Recreations
Tactile prints in colour: Studying the Visual Appearance of 2.5D Prints for Heritage Recreations Open
Printing applications for heritage recreation are a means to allow audiences to appreciate details and engage with cultural materials through closer interaction. A 2.5D print is a media suitable to incorporate visual and tactile qualities …
View article: Metameric Varifocal Holography
Metameric Varifocal Holography Open
Computer-Generated Holography (CGH) offers the potential for genuine, high-quality three-dimensional visuals. However, fulfilling this potential remains a practical challenge due to computational complexity and visual quality issues. We pr…
View article: PhotoApp
PhotoApp Open
Photorealistic editing of head portraits is a challenging task as humans are very sensitive to inconsistencies in faces. We present an approach for high-quality intuitive editing of the camera viewpoint and scene illumination (parameterise…