Digital device for improving image quality with low power and control method thereof
US10469789B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 20, 2015 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Nov 29, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G5/165
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital device and a control method thereof are disclosed in the present specification. The digital device and the control method thereof according to the present invention may comprise the steps of receiving an image signal; separating the received image signal by a plurality of frequency bands; adjusting a gain for the image signal of each of the separated frequency bands; displaying an enhanced image on a screen by synthesizing the image signals of the respective frequency bands in which the gain has been adjusted; separating the screen, on which the enhanced image is displayed, into a plurality of areas; checking whether the maximum pixel value of the enhanced image displayed on the separated screen area, if the maximum pixel value of the enhanced image is larger than the reference value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.