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2026-02-07_HE切片的细胞类型鉴定.qmd
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---
title: HE切片细胞类型
subtitle: HE切片的细胞类型鉴定
date: 2026-02-07
toc-depth: 4
toc-expand: true
lang: en
---
看到一篇2025-12-22日上线的预印版文献[@Mandal2025],报道了Classpose,可用于HE染色全片的细胞类型鉴定。
<center>
<img src="images/classpose.png" style="width:100%; border: 1px solid gray">
{width="50%"}
</center>
## 1. 两种细胞分割/cell segmentations
> **Instance segmentation** ... aims to determine whether a pixel belongs to a unique cell [@Mandal2025].
以HE切片为例,直观理解就是选切片上的细胞(核)。
> **Semantic segmentation** ... aims to determine to which cell type a pixel belongs to [@Mandal2025].
以HE切片为例,直观理解就是确定每个细胞(核)属于哪种类型(比如中性粒细胞、上皮细胞、淋巴细胞等等)。
## 2. Classpose的原理?
看不懂文献的方法,好像也没有读懂的动力。
## 3. Classpose能做什么?
> **Classpose**, as easily trainable analog of the Cellpose-SAM model [for semantic segmentation]{.mark} [@Mandal2025].
{width="100%"}
## 4. Classpose的优点?
> We extensively **benchmark Classpose against 3 other state-of-the-art methods** (Semantic Celllpose-SAM, CellViT++, and Stardist) across 6 datasets (CoNIC, ConSep, GlySAC, MoNuSAC, NuCLS, and PUMA), showing that [Classpose consistently outperforms all other methods]{.mark} [@Mandal2025].
<center>
{width="50%"}
</center>
## 5. Classpose如何使用?
> ... provide a [commond-line tool]{.mark} and **[a QuPath extension]{.mark}** for whole slide-image ... [@Mandal2025]
## 6. 自己安装Classpose的QuPath extension体验下
具体安装过程有些折腾,但最终还是成功了。安装过程参考[@Classpose_qupath] [@KW_classpose2026]。
<center>
{width="50%"}
</center>
<center>
{width="60%"}
</center>
<center>
{width="100%"}
</center>
<center>
![Classpose的测试结果(用的pretrained model是conic)。Conic可区分的细胞类型是:neutrophils、epithelial cells、lymphocytes、plasma cells、eosinophils、和connective tissue cells [@lizard_arxiv]。不同颜色表示不同的细胞类型。](images/classpose_tested.jpg){width="100%"}
</center>
## 7. 期待Classpose文章正式发表
目前该软件工具还是预印版,期待正式在某个科研杂志发表,这样使用起来更加有底气些。
本着严谨的态度,感觉是不是应该比较下[Classpose的预测结果]{.mark}和[多色免疫荧光染色]{.mark}的结果一致性?
或者基于Classpose分析得到了某种结论,再针对该结论通过某种合适的实验验证下?
[给我买杯茶🍵](给我买杯茶.qmd)
## References