Image file scaling method and system

An image file and scaling technology, applied in the field of image processing, can solve the problems of slow server speed, high power consumption, inability to upgrade or modify, etc., and achieve the effect of fast image compression and low power consumption

Active Publication Date: 2018-08-07
CTACCEL LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional microprocessor-based servers are slow and consume a lot of power
The functions of ASIC-based accelerators cannot be upgraded or modified after leaving the factory

Method used

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  • Image file scaling method and system
  • Image file scaling method and system
  • Image file scaling method and system

Examples

Experimental program
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Effect test

Embodiment Construction

[0068] Embodiments of the present invention provide a method and a system for scaling an image compressed by the JPEG standard.

[0069] The image file size adjustment system includes an FPGA, which includes an interface controller capable of receiving multiple image files through an interface, a computing core controller and a memory controller. The FPGA also includes an interconnect device connected to the computing core controller and the memory controller, and a plurality of computing cores connected to the interconnect device. The system also includes a memory interface to the FPGA.

[0070] The present invention also implements a method for adjusting the size of an image file. The method includes providing an AXI interconnection device and providing a plurality of computing cores communicating with the AXI interconnection device. The method also includes receiving a first image file having a first image resolution, and sending a first payload associated with the first i...

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Abstract

The present invention is an image file scaling method and system, the present invention utilizes an accelerator, the image using JPEG standard compression for scaling operation. In a specific embodiment, the image scaling system uses a plurality of cores to scale multiple images at the same time, a plurality of computing cores have different processing functions or have the same processing functions, can scale the image file. The first computing core in the system's multiple computing cores scales the first image file, and the second computing kernel processes the second image file synchronously, thereby accelerating the image scaling process. The present invention is also suitable for scaling operations of image compression formats other than JPEG format.

Description

technical field [0001] The present invention relates to image processing technology, in particular to a method and system for scaling an image compressed by the JPEG standard. The present invention is also applicable to scaling operations of other image compression formats other than JPEG format. Background technique [0002] JPEG is the actual image format used in the Internet. Due to the explosion of social networking and Internet communications, a large number of images need to be transmitted every day, most of which are compressed using the JPEG standard. Due to the different screen resolutions and bandwidth capabilities of mobile devices such as tablets and smartphones, and stationary devices such as desktops, images need to be resized for optimal viewing on each device. These image rescale tasks are usually done in the data center. Data centers process it with large numbers of servers equipped with traditional microprocessors. Despite the great advances in data com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/40G06T9/00
CPCH04N5/76H04N9/8047G06F16/51G06F16/116H04N5/91G11B27/00G06T1/60G06T3/40
Inventor 俞海乐杨晧泉
Owner CTACCEL LIMITED
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