Light field acquisition control method and device, light field acquisition device
A light field acquisition and control method technology, applied in radiation control devices, character and pattern recognition, television and other directions, can solve the problems of image spatial resolution reduction, loss, etc., to meet practical application requirements and improve light field acquisition efficiency. Effect
Active Publication Date: 2019-01-18
BEIJING ZHIGU TECH SERVICE
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Problems solved by technology
However, although the light field camera increases the above-mentioned flexibility of single-exposure imaging, it records the viewing angle direction information of the object light by losing the spatial resolution of the image. Therefore, when shooting a 3D scene based on a light field camera, the captured The spatial resolution of the image will be greatly reduced
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[0038] Exemplary embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It should be understood, however, that in developing any such practical embodiment, many implementation-specific decisions must be made in order to achieve the developer's specific goals, such as meeting those constraints related to the system and business, and those Restrictions may vary from implementation to implementation. Moreover, it should also be understood that development work, while potentially complex and time-consuming, would at least be a routine undertaking for those skilled in the art having the benefit of this disclosure.
[0039] Here, it should also be noted that, in order to avoid obscuring the application due to unnecessary details, only the device structure and / or processing steps closely related t...
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The embodiment of the present application discloses a light field acquisition control method and device and a light field acquisition device, wherein a light field acquisition control method includes: determining the light field acquisition that affects the first area in the sub-lens array of the light field camera At least one sub-lens, the first area is a part of the scene to be photographed; according to the at least one sub-lens, determine the area to be adjusted of the image sensor of the light field camera; adjust the pixel density distribution of the image sensor to Making the average pixel density distribution of the area to be adjusted different from the average pixel density distribution of other areas of the image sensor; the adjusted image sensor collects the light field of the scene to be photographed. The technical solution provided by the embodiment of the present application can improve the efficiency of light field collection while making full use of the overall pixels of the image sensor for light field collection, and can better meet the diverse practical application requirements of users.
Description
technical field [0001] The present application relates to the field of light field acquisition technology, in particular to a light field acquisition control method and device and a light field acquisition device. Background technique [0002] A light field camera is an imaging technology that uses a sub-lens array to record and reproduce a three-dimensional scene. It usually places a sub-lens array between the main lens and an image sensor such as a CCD. Light field information is recorded on the focal plane of the sub-lens array. [0003] Different from the two-dimensional image acquisition method of the traditional camera, the light field camera can record four-dimensional light field information such as the space and angle of view of the three-dimensional scene through a single exposure, and supports "focusing after shooting" (that is, no need to focus when shooting), through Rich image effects can be generated by processing the captured images, which can meet various i...
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IPC IPC(8): H04N5/232H04N5/335H01L27/146H04N25/00
CPCH01L27/14625H04N23/957H04N23/60H04N23/958H04N23/80
Inventor 周梁杜琳
Owner BEIJING ZHIGU TECH SERVICE