Superimposition system and superimposition method
A superposition method and output technology, applied in the field of image processing, can solve problems such as excessive chip area occupation, cost, and power consumption
Active Publication Date: 2015-06-24
HUAWEI TECH CO LTD
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[0004] It can be seen from the above that the stacking system in the prior art includes more than one stacking module, and the chip area is too large, resulting in a very disadvantageous cost and power consumption.
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[0049] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0050] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0051] In order to facilitate the understanding of the embodiments of the present invention, further explanations will be given below with specific embodiments in conjunction with the...
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The embodiment of the invention relates to a superimposition system and a superimposition method. The superimposition system comprises a channel matrix module, a plurality of data selectors, a plurality of mixing processing modules, an output matching module and a plurality of superimposition output ends; the channel matrix module is used for matching a plurality of layers and a plurality of channels; each data selector is used for choosing one layer from the plurality of candidate layers as a bottommost layer; each mixing processing module is connected with one channel and one data selector, and is used for conducting alpha mixing processing on the layers transmitted by the channels and the bottommost layers chosen by the data selectors to get output results; the output matching module is used for matching a plurality of output results of the plurality of mixing processing modules and the plurality of superimposition output ends and outputting one or more output results of the plurality of output results through one or more superimposition output ends of the plurality of superimposition output ends. The superimposition system has the advantages that the occupied chip area can be reduced effectively, and the cost and power dissipation are reduced.
Description
technical field [0001] The invention relates to the technical field of image processing, in particular to an overlay system and an overlay method. Background technique [0002] At present, the overlay (overlay, OVLY) display technology is used in the design of the terminal display module. For the image to be displayed, all the layers (surface) of the image must be obtained first, and then all the obtained layers are superimposed through the overlay module. Then output the processed result to the monitor for display. Overlay refers to transparent blending of layers. Generally, overlay includes two methods: online overlay and offline overlay. Online overlay is to overlay all layers, and after the overlay is completed, the overlay result is directly sent to the display for display; offline overlay is to overlay all layers, after the overlay is completed, the overlay result is first written into the memory, and then the overlay result is read from the memory Displayed on the m...
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Inventor 尹圣宝
Owner HUAWEI TECH CO LTD