arXiv:2606.01023cs.CVcs.AI2026-06

用机器视觉系统实时检测地毯缺陷并持续收集标注数据,提升质量控制效率。

Data Collection for Training Quality-Control AI in Carpet Manufacturing

  • 部署同步线扫描相机与双光源成像,实现多米宽地毯的高分辨率实时检测
  • 从无监督异常检测起步,逐步通过人工标注迭代出精确的缺陷分割模型
  • 将检测性能与六西格玛目标挂钩,支持生产流程持续优化

视觉检查仍是编织和簇绒地毯生产中主要的质量控制手段,但其速度慢、主观性强且在现代织机的高速宽幅下难以保持一致性。本文提出一种在线机器视觉系统的架构设计,核心目标双重:实时检测地毯布面缺陷,并系统性地采集和标注缺陷图像,以支持随安装周期演进的更强大质检模型训练。该方案基于某编织地毯厂的六西格玛(DMAIC)项目,该厂在新增织机后面临生产瓶颈,原始缺陷率高且质量故障带来显著财务风险。系统采用同步线扫描相机结合明场与斜照照明,推导出满足细结构缺陷识别所需的分辨率与吞吐量要求,并建立地毯专用缺陷分类体系。提出分阶段建模策略:初期使用无监督异常检测(基于无缺陷材料),参考MVTec Anomaly Detection基准中的地毯类别;随后通过人机协同标注飞轮机制,逐步升级为有监督检测与分割模型。最后将检测性能与DMAIC目标关联,证明逃逸缺陷减少可直接提升过程质量与过程西格玛水平。贡献在于提供一套完整可部署的工程蓝图,将数据收集作为首要设计目标而非事后补充。

原文摘要 · Abstract (English)

Visual inspection remains the dominant quality-control practice in woven and tufted carpet production, yet it is slow, subjective, and inconsistent at the line speeds and widths of modern looms. We present a design proposal for an in-line machine-vision system whose primary purpose is twofold: to inspect the carpet web in real time and, equally importantly, to systematically collect and label images of defect patterns so that increasingly capable quality-control models can be trained over the life of the installation. The proposal is grounded in a concrete industrial setting: a Six Sigma (DMAIC) project at a woven-carpet production facility that anticipated a production bottleneck following the installation of additional weaving machines, with a substantial baseline defect rate and significant financial exposure associated with quality failures. We describe an imaging subsystem based on synchronized line-scan cameras with combined bright-field and grazing illumination, derive the resolution and throughput requirements needed to resolve fine structural defects across a multi-metre web, and define a carpet-specific defect taxonomy. We then lay out a staged modelling strategy that begins with unsupervised anomaly detection trained on defect-free material, following the paradigm exemplified by the carpet category of the MVTec Anomaly Detection benchmark, and matures through a human-in-the-loop annotation flywheel into supervised detection and segmentation models. Finally, we connect detection performance to the DMAIC objectives, showing how reductions in escaped defects translate into improved process quality and process sigma levels. The contribution is an end-to-end, deployable blueprint that treats data collection as a first-class engineering objective rather than an afterthought.

工业质检机器视觉数据收集六西格玛

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