REVERSE IMAGE DISPLAY METHOD

• US 20200130581A1
• Filed: 12/31/2019
• Published: 04/30/2020
• Est. Priority Date: 12/30/2019
• Status: Abandoned Application

• Current Assignee: Beijing Weiboxintong Technology Co., Ltd.
• Original Assignee: Beijing Weiboxintong Technology Co., Ltd.
• Inventors: HU, GUOHUI
• Application Number:
  US16/731,122
• Publication Number:
  US 20200130581A1
• Time in Patent Office: Days
• CPC Class Codes: B60R 1/002 specially adapted for covering the peripheral part of the vehicle, e.g. for viewing tyres, bumpers or the like integrated in the windows B60R1/001; combined with rear-view mirrors B60R1/08
• CPC Class Codes: B60R 2300/307 virtually distinguishing relevant parts of a scene from the background of the scene
• CPC Class Codes: G06T 2207/20012 Locally adaptive
• CPC Class Codes: G06T 2207/30252 Vehicle exterior; Vicinity of vehicle
• CPC Class Codes: G06T 5/20 using local operators
• CPC Class Codes: G06T 5/70 Denoising; Smoothing
• CPC Class Codes: G06T 5/94 based on local image properties, e.g. for local contrast enhancement
• CPC Class Codes: G06T 7/11 Region-based segmentation
• CPC Class Codes: H04N 7/183 for receiving images from a single remote source

Abstract

The invention provides a reverse image display method. An image processing module segments a reverse image into visual saliency image blocks and non-visual saliency image blocks according to visual saliency. The visual saliency image blocks are denoised by a BM3D algorithm, and the non-visual saliency image blocks are denoised by a mean filtering algorithm. The denoised visual saliency image blocks and non-visual saliency image blocks are combined into a final required reverse image which is transmitted to an automobile display screen for display. The visual saliency image blocks are denoised by the BM3D algorithm, so that the obtained image is more easily watched by human eyes, and a driver can conveniently observe a reverse image picture; and the non-visual saliency image blocks are denoised by the mean filtering algorithm, denoising speed can be increased, and the denoising speed can be conveniently increased by a computer as a whole.

Claims

1. A reverse image display method for a reverse image processing system, the reverse image processing system comprises an image acquisition module, an image processing module and an automobile display screen, the method is characterized by comprising the following steps:

The image acquisition module sends a reverse image to the image processing module;

The image processing module segments the reverse image into visual saliency image blocks and non-visual saliency image blocks according to visual saliency;

The visual saliency image blocks are denoised by a BM3D algorithm, and the non-visual saliency image blocks are denoised by a mean filtering algorithm.

The denoised visual saliency image blocks and non-visual saliency image blocks are composited into a final required reverse image which is transmitted to an automobile display screen for display.

2. The method of claim 1, characterized in that the image processing module segments the reverse image into the visual saliency image blocks and the non-visual saliency image blocks according to visual saliency, specifically comprising:

Dividing the reverse image into different image blocks and calculating a visual saliency parameter value of each image block;

Dividing the image blocks into the visual saliency image blocks and the non-visual saliency image blocks according to the visual saliency parameter value and visual saliency classification threshold of each image block.

3. The method of claim 2, characterized in that the visual saliency parameter value of each image block is calculated by a RC (region-based contrast) algorithm.