Check patentability & draft patents in minutes with Patsnap Eureka AI!

Encode the image

An image and encoding technology, applied in the field of image processing, can solve problems such as low-quality encoded images

Active Publication Date: 2019-08-23
IMAGINATION TECH LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Changing the QP in this way results in a perceptually lower quality encoded image

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Encode the image
  • Encode the image
  • Encode the image

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Embodiments will now be described by way of example only. First, an example is described involving pictures to be coded according to Intra coding, in which pictures are coded without reference to other pictures (eg other frames of a video sequence). As described subsequently, similar principles apply to pictures that are coded according to interactive (or "non-intrinsic") coding, where coding a picture requires reference to other pictures (eg other frames of a video sequence).

[0025] In the examples described herein, an image is analyzed to determine an indication of the complexity of the image (eg, the entropy of the image). The image analysis described here is a simple process performed before encoding the image. The complexity indication of the picture is used to estimate the number of bits that an encoder would generate by encoding the picture at each of a number of different quantization levels. One of the quantization levels is selected based on the estimate a...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

An image processor comprises an image pre-processing block and an encoder processing block for processing and encoding an image. The image pre-processing block receives image data and processes it to provide an image comprising image sections which each comprise pixels. For each of the image sections, the pixels are analyzed to estimate an indication of the complexity of the image section, and metadata is determined based on the estimated complexity indications of the image sections. The metadata is passed to the encoder processing block which uses it to determine a quantization level for use in encoding the image. The encoder processing block can then encode the image using the determined quantization level. Conveniently, the image pre-processing block 106 processes the image data to provide the image, and therefore has access to the image which it can analyze to determine the metadata without requiring a separate read operation of the image.

Description

technical field [0001] Embodiments of the invention relate generally to image processing. Specifically, it involves encoding images. Background technique [0002] An image sensor, such as a camera, may be used to capture image data. Image data may be processed by an image processor to provide an image comprising a plurality of pixels. The original image data representing the pixel values ​​of the image may then be encoded. The goal of encoding an image is usually to reduce the amount of data used to represent the image. Therefore, encoding of an image may involve some compression of the image. Lossless coding algorithms can be used to encode an image without losing any information in the image. In contrast, a lossy coding algorithm can be used to encode an image and, when encoding, compress the image to a greater degree than would be done using a lossless coding algorithm. However, when an image is encoded using a lossy encoding algorithm, some information in the image...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/13H04N19/124H04N19/52
CPCH04N19/124H04N19/14H04N19/149H04N19/176H04N19/85H04N19/182H04N19/50H04N19/88H04N19/91H04N19/126
Inventor J·迪金斯P·布拉斯内特
Owner IMAGINATION TECH LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com