一种基于蓝牙打印的图片数据处理方法和相关设备

By combining transparency threshold filtering and center offset extraction with Bluetooth printer device identification information, the image adaptation and power consumption issues of Bluetooth printers under different brands and complex source images are solved, improving printing accuracy and device stability.

CN121985078BActive Publication Date: 2026-07-17BEIJING SHUOFANG INFORMATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING SHUOFANG INFORMATION TECH CO LTD
Filing Date
2026-04-08
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In mobile Bluetooth printers, existing technologies are prone to pixel loss, aliasing, and image compression when handling different brands and widths of paper and complex source images, which reduces the accuracy of print output and causes the device to shut down or overheat due to high power consumption.

Method used

Transparency threshold filtering eliminates interference from transparent backgrounds, and intelligent interception is achieved by dynamically calculating the center offset based on Bluetooth printer device identification information. A sliding window is used to monitor high-energy-consuming areas and perform sparsification processing. Precise printing instructions are generated using DPI resolution and byte stream distribution to ensure centered image display and energy uniformity.

Benefits of technology

It enables adaptation to image sources of different sizes and transparency without manual intervention, improving image compatibility and output clarity, ensuring the continuity of printing tasks and equipment stability, and avoiding image cropping and overheating issues.

✦ Generated by Eureka AI based on patent content.

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Abstract

一种基于蓝牙打印的图片数据处理方法和相关设备,涉及热敏打印领域。处理设备在将图片转换为打印指令的过程中,利用透明度阈值对Alpha通道进行过滤,消除了透明背景因二值化误判产生的黑块干扰,确保了背景纯净;进一步结合蓝牙打印机的设备标识确定其最大物理宽度,并动态计算中心偏移量对二维矩阵进行智能居中截取。通过在无需人工干预的情况下,自动适配了不同尺寸和透明度的图像源至目标打印机规格,避免了图像核心内容(如Logo或二维码)的裁切丢失或偏移,提升了移动端蓝牙打印的图像兼容性与输出清晰度。
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Citation Information

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