Patent classifications
H04N13/257
System and method for three-dimensional scanning and for capturing a bidirectional reflectance distribution function
A method for generating a three-dimensional (3D) model of an object includes: capturing images of the object from a plurality of viewpoints, the images including color images; generating a 3D model of the object from the images, the 3D model including a plurality of planar patches; for each patch of the planar patches: mapping image regions of the images to the patch, each image region including at least one color vector; and computing, for each patch, at least one minimal color vector among the color vectors of the image regions mapped to the patch; generating a diffuse component of a bidirectional reflectance distribution function (BRDF) for each patch of planar patches of the 3D model in accordance with the at least one minimal color vector computed for each patch; and outputting the 3D model with the BRDF for each patch.
System and method for three-dimensional scanning and for capturing a bidirectional reflectance distribution function
A method for generating a three-dimensional (3D) model of an object includes: capturing images of the object from a plurality of viewpoints, the images including color images; generating a 3D model of the object from the images, the 3D model including a plurality of planar patches; for each patch of the planar patches: mapping image regions of the images to the patch, each image region including at least one color vector; and computing, for each patch, at least one minimal color vector among the color vectors of the image regions mapped to the patch; generating a diffuse component of a bidirectional reflectance distribution function (BRDF) for each patch of planar patches of the 3D model in accordance with the at least one minimal color vector computed for each patch; and outputting the 3D model with the BRDF for each patch.
DEVICE AND METHOD FOR DEPTH ESTIMATION USING COLOR IMAGES
The present disclosure relates to methods and devices for performing depth estimation on image data. In one example, a device performs depth estimation on first and second images captured using one or more cameras having a color filter array. Each, image of the first and second images comprises multiple color channels. Each color channel of the multiple color channels corresponds to a respective color channel of the color filter array.sub.. The, device performs the depth estimation by estimating disparity from the color channels of the first and second images.
DEVICE AND METHOD FOR DEPTH ESTIMATION USING COLOR IMAGES
The present disclosure relates to methods and devices for performing depth estimation on image data. In one example, a device performs depth estimation on first and second images captured using one or more cameras having a color filter array. Each, image of the first and second images comprises multiple color channels. Each color channel of the multiple color channels corresponds to a respective color channel of the color filter array.sub.. The, device performs the depth estimation by estimating disparity from the color channels of the first and second images.
DEVICE AND METHOD FOR GENERATING PHOTOMETRIC STEREO IMAGES AND A COLOR IMAGE
A device for generating a photometric stereo image and a color image of an object which is moved at a predetermined relative speed relative to the device. The device includes a lighting area and a lighting arrangement which is oriented to the lighting area. The lighting arrangement cyclically emits a lighting sequence in the lighting area. The lighting sequence has at least four lighting pulses each of which have a wavelength range and a lighting direction. At least three of the at least four lighting pulses have a different wavelength range, and at least two of the at least four lighting pulses have a different lighting direction and a same wavelength range.
DEVICE AND METHOD FOR GENERATING PHOTOMETRIC STEREO IMAGES AND A COLOR IMAGE
A device for generating a photometric stereo image and a color image of an object which is moved at a predetermined relative speed relative to the device. The device includes a lighting area and a lighting arrangement which is oriented to the lighting area. The lighting arrangement cyclically emits a lighting sequence in the lighting area. The lighting sequence has at least four lighting pulses each of which have a wavelength range and a lighting direction. At least three of the at least four lighting pulses have a different wavelength range, and at least two of the at least four lighting pulses have a different lighting direction and a same wavelength range.
SYSTEMS AND METHODS FOR GENERATING DEPTH MAPS USING A CAMERA ARRAYS INCORPORATING MONOCHROME AND COLOR CAMERAS
A camera array, an imaging device and/or a method for capturing image that employ a plurality of imagers fabricated on a substrate is provided. Each imager includes a plurality of pixels. The plurality of imagers include a first imager having a first imaging characteristics and a second imager having a second imaging characteristics. The images generated by the plurality of imagers are processed to obtain an enhanced image compared to images captured by the imagers. Each imager may be associated with an optical element fabricated using a wafer level optics (WLO) technology.
COLOR STEREO CAMERA SYSTEMS WITH GLOBAL SHUTTER SYNCHRONIZATION
Stereo imaging systems and devices are disclosed. A stereo imaging system can include one or more stereo imaging modules and an image processing module connected to the one more stereo imaging modules by a coaxial cable that carries two-way communication signals and transfers electrical power from the image processing module to the stereo imaging modules. The stereo imaging modules each include a plurality of image sensors positioned to capture images of at least partially overlapping fields of view, and processing circuitry configured to transmit the captured images to the stereo imaging module via the coaxial cable. The processing module includes processing circuitry configured to receive and process the captured images, and power circuitry configured to provide electrical power to the stereo imaging module via the coaxial cable. The plurality of image sensors may be color image sensors configured to collect color images for stereo image processing.
COLOR STEREO CAMERA SYSTEMS WITH GLOBAL SHUTTER SYNCHRONIZATION
Stereo imaging systems and devices are disclosed. A stereo imaging system can include one or more stereo imaging modules and an image processing module connected to the one more stereo imaging modules by a coaxial cable that carries two-way communication signals and transfers electrical power from the image processing module to the stereo imaging modules. The stereo imaging modules each include a plurality of image sensors positioned to capture images of at least partially overlapping fields of view, and processing circuitry configured to transmit the captured images to the stereo imaging module via the coaxial cable. The processing module includes processing circuitry configured to receive and process the captured images, and power circuitry configured to provide electrical power to the stereo imaging module via the coaxial cable. The plurality of image sensors may be color image sensors configured to collect color images for stereo image processing.
EYE POSITIONING APPARATUS AND METHOD, AND 3D DISPLAY DEVICE AND METHOD
An eye positioning apparatus is provided, comprising: an eye positioner, comprising a first black-and-white camera configured to shoot first black-and-white images and a second black-and-white camera configured to shoot second black-and-white images; and an eye positioning image processor, configured to identify presence of eyes based on at least one of the first black-and-white images and the second black-and-white images and determine eye space positions based on the eyes identified in the first black-and-white images and the second black-and-white images. The apparatus can determine the eye space positions of a user at high accuracy, thereby improving 3D display quality. An eye positioning method, a 3D display device and method, a computer-readable storage medium, and a computer program product are also provided.