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System for maximizing dynamic contrast between foreground and background in an image or/and image sequence

An image sequence and image technology, applied in image enhancement, image analysis, image communication, etc.

Active Publication Date: 2021-01-08
UNIQFEED AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these mechanical solutions have the disadvantages mentioned above, since the keyed indications must be installed at the

Method used

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  • System for maximizing dynamic contrast between foreground and background in an image or/and image sequence

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Embodiment Construction

[0035] The system 10 for dynamic contrast maximization comprises a plurality of image recording devices C1, C2, Ck (indicated by three black dots below C2) and a plurality of analysis modules A1, A2 to Ak (indicated by three black dots below A2 express). Each camera C1, C2 corresponds to an analysis module A1, A2.

[0036] The cameras C1 , C2 , Ck transmit appropriate data S1k to the respective analysis modules A1 , A2 , Ak. The analysis modules A1, A2, Ak determine (1) the current 2D-2D mapping F1, F2, Fk between the 2D coordinates in the display coordinate system of L and the 2D coordinates in the image coordinate system of the respective cameras C1, C2, Ck , and determine (2) pixel-by-pixel occlusion. According to the analysis module, the data S1k is purely optical, but can also include sensor data from step sensors, acceleration sensors, etc. The map Fk can be corrected manually, or using an automatic correction method.

[0037] The output data S2k of the analysis modu...

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Abstract

The invention relates to a system for maximizing the dynamic contrast between foreground and background in an image or / and sequence of images, comprising: at least one image recording device (C1, C2); at least one analysis module (A1, A2 ), which is connected to the image recording device (C1, C2), the analysis module is arranged to determine the conversion between the two-dimensional coordinate system of the image recording device (C1, C2) and the two-dimensional coordinate system of the display device (L) , perform segmentation to at least determine the occlusion of the foreground object to the background object in the image; at least one control module (K), which is connected to the analysis module (A1, A2); at least one display device (L), which is set to, displaying display information, in particular video clips, wherein the image recording device (C1, C2) is arranged to record display information displayed on the display device (L), wherein the analysis module (A1, A2) is further arranged to determine information about The quality data is segmented and sent to the control module (K), and wherein the control module (K) is arranged to adjust the display information displayed on the display device (L) based on the quality data.

Description

technical field [0001] The invention relates to a system for maximizing the dynamic contrast between foreground and background in an image or / and image sequence. Background technique [0002] In order to seamlessly integrate virtual objects into real scenes (also known as augmented reality), two problems are known to be solved. On the one hand, the transformation between the camera coordinate system and the scene coordinate system is determined, and on the other hand, the occlusion of virtual objects, usually projected in the background, is determined by real objects, usually in the foreground. [0003] In the field of televised or broadcasting, it makes sense to solve the above two problems as non-mechanically as possible, ie without additional use of markers or sensors. This allows for shorter assembly times and reduces the complexity of broadcast systems that are fully assembled on-site. In the case of live broadcast, it is precisely that most of the equipment needs to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B27/031G06T7/11G06T7/143G06T7/194H04N5/222
CPCG11B27/031H04N5/222H04N21/81G06T7/11G06T7/143G06T7/194G16B20/00G06T7/0002G06T2207/10016G06T2207/10024G06T2207/30168H04N5/765
Inventor R·德拉贡
Owner UNIQFEED AG