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1、引言 在做基于真实物理空间的增强现实（AR）应用开发时，我们常常会遇到几个难以跨越的业务痛点。想象一个工业设备巡检的场景：巡检员戴着 AR 眼镜或者举着平板進入厂房。厂房内部往往光线复杂，甚至有些角落完全黑暗，此时基于视觉的 SLAM（...

建筑图纸里的文字表格总提取不准，难题常常不在提示詞，而在模型选型。这篇区分OCR专用模型与多模态模型的边界，用一段提示詞把MiniCPM-OCR部署到本地，再拿25页施工图纸实测识别成效。 今天来填个坑的，之前老马写过一篇建筑行业怎么使用...

开机慢、亮屏后偶发卡顿或几小时后才出现的音频断续，通常等不到工程师连上电脑再按「开始录制」。要保留问题发生前的调度、帧或音频事件，采集配置必须提前在设备上运行。现场抓取要先确定触发点前后各保留多久，再选 Ring Buffer、周期写文件或...

一份 Trace 能在 UI 里打开、SQL 也查得到行，仍可能在采集中丢过数字。线程狀態缺一段、進程名对不上、Track Event 只有 ID 没有名稱时，先查数据丢在哪一层，再决定哪些分析还能继续。SQL 只能度量留下来的事件。丢失发...

dumpsys meminfo 显示進程内存上涨，Java heap dump 却没有对应的对象增长时，下一步先查上涨落在 Native Heap、图形 Buffer，还是其他映射。若可疑部分来自 malloc/new，heapprofd ...

开机慢、亮屏后偶发卡顿或几小时后才出现的音频断续，通常等不到工程师连上电脑再按「开始录制」。要保留问题发生前的调度、帧或音频事件，采集配置必须提前在设备上运行。现场抓取要先确定触发点前后各保留多久，再选 Ring Buffer、周期写文件或...

按钮按下后，按压态何时出现？滑动列表时，内容何时第一次跟着手指移动？这两个问题都要找到输入事件和对应的第一帧反馈；启动总耗时与后续动画帧率回答的是别的问题。本文用 Perfetto 把 InputReader 读到事件、InputDispa...

Corie Walsh’s attorney has shared a new update on her condition behind bars after she was arrested for the alleged killi...

Influencer Kristy Sarah has seemingly moved on following her divorce from Desmond Scott. Kristy, 31, was seen getting co...

The cast of Dancing With the Stars season 35 brought the thrills during Horror Movie Night — but the real scare came wit...

RJ Decker‘s second season ended on a shocking cliffhanger — and now Bevin Bru is addressing the changes of multiple char...

19 Kids and Counting alum Jessa Duggar has announced that she is expanding her brood. “We have six kids and we’re actual...

The quake left 16 people dead and 76 injured, with 339 homes collapsed or damaged. By 3 p.m. Friday, 12,489 residen...

Reid Hoffman, the billionaire co-founder of LinkedIn who has faced scrutiny over his ties to Jeffrey Epstein, was among ...

Sunday's "60 Minutes" featured the story of a deported Malian national who was painted as a loving husband and father de...

The Cowboys and Eagles came out of the gates hot, teasing us with the prospect of a highly entertaining shootout. But it...