Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 15 of 15 for “"Relighting"”.
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Single image scene relighting
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms
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Light source relighting for indoor scene photos with deep neural networks
We seek to use deep neural networks to develop a method to detect the light sources in a given image of an indoor scene, computationally adjust their lighting intensity, and re-render the edited scene as an image. By doing so, we can visually relight the image--effectively turning the light source …
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Physically based geometry and reflectance recovery from images
… Secondly, we study the problem of computational relighting using RGB-D data, where the depth data is acquired through a Kinect sensor and is often noisy. We show how the inclusion of noisy depth input helps to resolve ambiguities in the recovery of shape and reflectance in the inverse rendering …
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Computational illumination for portrait photography and inverse graphics
… ranging from non-line-of-sight imaging to relighting and dark-flash photography. The thesis also discusses a novel formulation for fast and accurate differentiable rendering based on analytical anti-aliasing. It is demonstrated how this renderer can be used for inverse graphics problems. …
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Shape, Reflectance, and Illumination From Appearance
… etc.) and computer graphics applications such as relighting, view synthesis, and object capture (as desired in extended reality [XR], etc.). In this dissertation, we study inverse rendering by recovering three-dimensional (3D) shape, reflectance, illumination, or everything jointly under different …
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LumiModeling: A Gaussian Splatting-Based Tool for Recreating Dynamic Material and Lighting Interaction in Architecture
… The Stata Center dataset is used to test the relighting of GS. A user study involving architecture professionals reveals that perceptual focus shifts from geometry to materiality and lighting as visual realism increases. The findings highlight the potential of relightable GS in architectural …
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Interactive specification and acquisition of depth from single images
… of our system in the architectural design (relighting, sketching, 3D walkthroughs from images), complex photocompositing, and fine art exploration contexts.
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Computational light transport using space, time, and polarization
… corners; and (c) single-shot computational relighting of images. Future applications encompass equipping self-driving cars the ability to see through fog, or enabling doctors to see deeper inside the body using light.
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Multiplexed photography : single-exposure capture of multiple camera settings
… fusion, in particular, performing flash/no-flash relighting on dynamic scenes with moving objects. Finally, we propose spatio-temporal multiplexing, a novel image sensor feature that enables simultaneous capture of flash and ambient illumination.
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A unified framework for identifiability analysis in bilinear inverse problems
… including inverse rendering in computational relighting (albedo estimation with unknown lighting), blind phase and gain calibration in sensor array processing, and multichannel blind deconvolution (MBD). Applying our unified framework to BGPC, we derive sufficient conditions for unique …
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Colour videos with depth : acquisition, processing and evaluation
… the geometric information, like a proposed video relighting technique which requires high-quality surface normals to produce plausible results. In addition, I demonstrate enhanced non-photorealistic rendering techniques and the ability to synthesise stereoscopic videos, which allows these effects …
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Photometric stereo for micro-scale shape reconstruction
… removal, intrinsic image decomposition, digital relighting, material-based segmentation, material transfer and material classification. The second contribution is the development of an SNI method dealing with perspective distortion. The proposed SNI is performed on the image plane instead of on …
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Exploring knowledge in generative models
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-09-16 without embargo terms
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Harnessing data priors to mitigate 3D data scarcity
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-03-28 without embargo terms
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Signal representations: from images to irregular-domain signals
Efficient representations of high-dimensional data such as images, that can essentially describe the data with a few parameters, play a vital role in many problems in signal processing and related fields, ranging from signal compression and denoising to inverse problems. This thesis studies the …