Nothing Special   »   [go: up one dir, main page]

LeGendre et al., 2016 - Google Patents

Practical multispectral lighting reproduction

LeGendre et al., 2016

View PDF
Document ID
12356940788334166383
Author
LeGendre C
Yu X
Liu D
Busch J
Jones A
Pattanaik S
Debevec P
Publication year
Publication venue
ACM Transactions on Graphics (TOG)

External Links

Snippet

We present a practical framework for reproducing omnidirectional incident illumination conditions with complex spectra using a light stage with multispectral LED lights. For lighting acquisition, we augment standard RGB panoramic photography with one or more …
Continue reading at dl.acm.org (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225—Television cameras; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/235—Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor
    • H04N5/2355—Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor by increasing the dynamic range of the final image compared to the dynamic range of the electronic image sensor, e.g. by adding correct exposed portions of short and long exposed images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image
    • G06T5/007—Dynamic range modification
    • G06T5/008—Local, e.g. shadow enhancement
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/50—Lighting effects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/001—Texturing; Colouring; Generation of texture or colour

Similar Documents

Publication Publication Date Title
LeGendre et al. Practical multispectral lighting reproduction
US10375264B2 (en) Multispectral lighting reproduction
Stumpfel et al. Direct HDR capture of the sun and sky
Debevec et al. A lighting reproduction approach to live-action compositing
Unger et al. Capturing and Rendering with Incident Light Fields.
Wenger et al. Performance relighting and reflectance transformation with time-multiplexed illumination
Shih et al. Data-driven hallucination of different times of day from a single outdoor photo
Chi et al. Multi-spectral imaging by optimized wide band illumination
Marziali et al. Photogrammetry and macro photography. The experience of the MUSINT II Project in the 3D digitizing process of small size archaeological artifacts
Tominaga et al. Spectral image acquisition, analysis, and rendering for art paintings
Salamon et al. Computational light painting using a virtual exposure
US11979692B2 (en) Systems and methods for optimal color calibration for LED volume stages
LeGendre et al. Jointly optimizing color rendition and in-camera backgrounds in an rgb virtual production stage
Goesele et al. Building a Photo Studio for Measurement Purposes.
Smirnov et al. Magenta Green Screen: Spectrally Multiplexed Alpha Matting with Deep Colorization
Goesele New acquisition techniques for real objects and light sources in computer graphics
Wei et al. Beyond visual attractiveness: Physically plausible single image hdr reconstruction for spherical panoramas
MacDonald Representation of cultural objects by image sets with directional illumination
Ward et al. High dynamic range imaging & image-based lighting
MacDonald Visual realism in digital heritage
Brogle Incorporating High Dynamic Range into Multispectral Imaging for Cultural Heritage Documentation
Stumpfel Hdr lighting capture of the sky and sun
Yilmaz Spectral Ray Tracing for Generation of Spatial Color Constancy Training Data
Zotti Measuring light pollution with a calibrated high dynamic range all-sky image acquisition system
Maurer et al. Creating HDR photo by manipulating dynamic range of a single RAW format photo