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Fast decoding system and method based on Qualcomm platform

A high-pass platform, fast technology, applied in the field of barcode image decoding, can solve the problems of time-consuming and other problems, meet the requirements of speed and stability, save the time of obtaining barcode images, and save the decoding time

Pending Publication Date: 2019-09-27
JIANGSU ZHILIAN TIANDI TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Every time a barcode image is obtained, the data channel will be restarted, and it will take more time to obtain the barcode image

Method used

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  • Fast decoding system and method based on Qualcomm platform
  • Fast decoding system and method based on Qualcomm platform
  • Fast decoding system and method based on Qualcomm platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 As shown, this embodiment provides a fast decoding system based on the Qualcomm platform. The system is based on the Qualcomm platform. The camera, the Qualcomm Camera framework, the package library and the decoding library that provide the interface for quickly opening the camera and quickly obtaining barcode pictures, and applications that need to obtain decoding information Program composition. The present invention focuses on how to quickly turn on the camera and obtain a barcode picture, especially how to quickly obtain the next barcode picture if one barcode picture cannot be successfully decoded.

[0029] Functional description of each module:

[0030] 1. Camera: ordinary camera, or customized camera module.

[0031] 2. Qualcomm Camera framework: There are some differences between platforms. This article is based on MSM8909.

[0032] 3. Encapsulation library: Provide direct access to the HAL layer Camera object interface of the Qualcomm Camera...

Embodiment 2

[0036] This embodiment provides a fast decoding method based on a Qualcomm platform.

[0037] Such as figure 2 As shown, the method flow is:

[0038] 1) Enter the application that needs barcode data, and open the camera through the package library.

[0039] 2) Open the data channel and configure the data stream through the package library, and start the preview.

[0040] 3) Capture a barcode image through the encapsulation library and pass it to the decoding library for decoding.

[0041] 4) If the decoding is unsuccessful, repeat step 3), and if the decoding is successful, the decoding information is passed to the application program.

[0042] 5) Turn off the camera after decoding is complete.

[0043] Package library for quickly opening the camera and quickly obtaining the barcode image interface:

[0044] Composition: MSM8909 Android Camera software plus the overall architecture of the package library, such as image 3 Shown:

[0045] 1. image 3 The middle is the ...

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Abstract

The invention discloses a fast decoding system and method based on a Qualcomm platform, and belongs to the technical field of barcode picture decoding. The decoding system comprises a camera, a Qualcomm Camera framework, a packaging library and a decoding library, and the decoding library decodes the input bar code picture information and returns the decoding failure information to the application program or outputs a correct bar code. The method comprises the following steps of 1, entering an application program needing the barcode data, and opening the camera through the packaging library; 2, opening a data channel through the packaging library, configuring a data stream, and starting picture preview; 3, capturing a bar code picture through the packaging library, and transmitting the bar code picture to a decoding library for decoding; 4, if the decoding is unsuccessful, repeating the step 3, if the decoding is successful, and transmitting the decoding information to the application program; and 5, after decoding is completed, closing the camera. According to the invention, the decoding time is saved, and the speed and the stability requirements of the industry-level applications are met.

Description

technical field [0001] The invention relates to a fast decoding system and method based on a Qualcomm platform, and belongs to the technical field of barcode picture decoding. Background technique [0002] At present, most of the mobile phone applications have obtained barcode pictures through the built-in camera to realize the decoding function. The speed and stability can meet some daily payment and life needs, but the speed and stability requirements for industry-level applications are basically not met. Opening the Camera object at the application layer by a common application will go through a series of calls, which will take some time. Every time a barcode picture is obtained, the data channel will be restarted, and it will take more time to obtain the barcode picture. Contents of the invention [0003] The purpose of the present invention is to provide a fast decoding system and method based on Qualcomm platform, quickly turn on the camera, and obtain a barcode pic...

Claims

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Application Information

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IPC IPC(8): G06K7/14
CPCG06K7/1408G06K7/146
Inventor 赵华钱志明余强曾俊张俊周邓敏杰周富林黄靖顾超张新华
Owner JIANGSU ZHILIAN TIANDI TECHNOLOGY CO LTD