Display Apparatus Encoder Different Compression Rates
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Solution Overview
Problem
Existing display apparatuses face challenges in enhancing image quality for current frames without causing functional damages, particularly when the initial input image data size differs from the displayed image data size, making it difficult to employ the same compression method for image data from the current and previous frames.
Innovation Solution
A display apparatus that encodes Nth first image data and (N−1)th second image data at different rates, stores them in memory, decodes them, and uses an image processor to enhance image quality based on the decoded data, with an image converter converting data formats as needed to maintain image quality compensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the same compression method is used for image data from current and previous frames, then memory management is simplified, but image quality enhancement is compromised when input image data size differs from displayed image data size
Solution Approach 1:
The patent applies different compression rates to different types of image data: a first compression rate for current frame image data and a second compression rate for previous frame image data. This local differentiation allows optimal compression for each data type while maintaining image quality compensation accuracy, resolving the contradiction between simplified memory management and accurate image quality enhancement.
2Manufacturing precision
If different compression rates are used for current and previous frame image data, then image quality enhancement is maintained, but device complexity increases due to separate encoding processes
Solution Approach 1:
The encoding device is designed to handle both current frame and previous frame image data using a unified structure that supports multiple compression rates. The same encoding device can apply different compression rates to different data types, eliminating the need for separate encoding devices and reducing overall system complexity while maintaining image quality enhancement.
3Manufacturing precision
If image data from previous frames is stored in memory, then image quality enhancement for current frames is enabled, but memory capacity requirements increase
Solution Approach 1:
The system encodes and stores previous frame image data in advance before it is needed for current frame processing. By performing this preliminary encoding and storage, the system enables image quality enhancement for current frames without requiring additional memory capacity at the moment of processing, as the previous frame data is already prepared and stored efficiently.
Data Source
AI summary
A display apparatus is disclosed. In one aspect the apparatus includes an encoder configured to encode a Nth first image data, where N is an integer of 2 or greater and a (N−1)th second image data at different rates. The display further includes a memory configured to store the encoded Nth first image data and the encoded (N−1)th second image data, a decoder configured to decode the encoded Nth first image data and the encoded (N−1)th second image data received from the memory and, an image processor configured to perform color processing on the decoded Nth first image data. It also includes an image converter configured to convert the Nth first image data received from the image processor into Nth second image data and an image quality enhancer configured to enhance image quality of the Nth second image data based on the decoded (N−1)th second image data.