NEU-DET-corrected: 1799 images + 1799 VOC annotations + YOLO (1 duplicate image and 3 duplicate boxes removed, dual format, seeded 80/10/10 split)

ImageSets/train.txt

@@ -888,7 +888,6 @@ pitted_surface_287
 pitted_surface_289
 pitted_surface_29
 pitted_surface_290
-pitted_surface_292
 pitted_surface_293
 pitted_surface_294
 pitted_surface_295
@@ -1323,7 +1322,6 @@ scratches_240
 scratches_243
 scratches_244
 scratches_246
-scratches_247
 scratches_248
 scratches_249
 scratches_25

README.md

@@ -20,6 +20,8 @@ size_categories:
 
 # NEU-DET-corrected
 
+[![DOI](https://img.shields.io/badge/DOI-10.57967%2Fhf%2F10536-blue)](https://doi.org/10.57967/hf/10536)
+
 **Hot-rolled steel strip surface defect detection — cleaned version of the NEU Surface Defect Database.**
 **热轧带钢表面缺陷检测 —— NEU 表面缺陷数据库的清理修正版。**
 
@@ -47,25 +49,27 @@ no official split and a few annotation defects. This release keeps every image p
 
 | # | Correction | Detail |
 |---|---|---|
-| 1 | **Removed 1 duplicate image** | `patches_105.jpg` is pixel-identical to `patches_101.jpg` (the same image was annotated twice, with slightly different boxes). `patches_105` removed. |
-| 2 | **Removed 3 duplicate boxes** | `crazing_120`, `inclusion_62`, `patches_198` each contained one bounding box listed twice verbatim. |
-| 3 | **Added a reproducible split** | Upstream has no split. This release provides a seeded, class-stratified 80/10/10 split. |
-| 4 | **Dual format** | Upstream is Pascal VOC only. This release ships **VOC + YOLO** from a single verified conversion. |
-| 5 | **Packaging** | `classes.txt`, `data.yaml`, `ImageSets/` added. |
+| 1 | **Removed 1 exact-duplicate image** | `patches_105.jpg` is pixel-identical to `patches_101.jpg` (the same image annotated twice, with slightly different boxes). |
+| 2 | **Removed 2 near-duplicate images** | `scratches_247.jpg` is a 90°-rotated copy of `scratches_232.jpg`; `pitted_surface_292.jpg` is a 2-px-shifted copy of `pitted_surface_171.jpg`. Both show a sharp, isolated minimum in the alignment profile (random same-class pairs never drop below MAE ≈ 13). |
+| 3 | **Removed 3 duplicate boxes** | `crazing_120`, `inclusion_62`, `patches_198` each contained one bounding box listed twice verbatim. |
+| 4 | **Added a reproducible split** | Upstream has no split. This release provides a seeded, class-stratified 80/10/10 split. |
+| 5 | **Dual format** | Upstream is Pascal VOC only. This release ships **VOC + YOLO** from a single verified conversion. |
+| 6 | **Packaging** | `classes.txt`, `data.yaml`, `ImageSets/` added. |
 
-**Image pixels are never modified.** All 1,799 images are byte-for-byte identical to the upstream files.
+**Image pixels are never modified.** All 1,797 images are byte-for-byte identical to the upstream files.
 
 **Scope — structural clean-up only.** This is **not** a re-annotation. We remove duplicates and
 re-package the data; we do **not** re-verify individual boxes (missed defects, wrong class
 labels, box tightness) — that requires domain expertise and is left untouched.
 
-**Structural checks performed** on the released 1,799-image set:
+**Structural checks performed** on the released 1,797-image set:
 
 | Check | Method | Result |
 |---|---|---|
 | Exact duplicate images | byte-wise MD5 | **1** found → removed |
-| Rotation / mirror duplicates | 8 dihedral transforms, pixel hash | **0** |
-| Near-duplicate images | 32×32 and 64×64 grayscale MAE | **0** |
+| Rotation / mirror duplicates | 8 dihedral transforms, perceptual hash | **1** found → removed |
+| Shifted duplicates | aligned pixel MAE + sharp-minimum test | **1** found → removed |
+| Near-duplicate images | 32×32/64×64 MAE + full aligned scan | **0** remaining |
 | Duplicate boxes within an image | verbatim box comparison | **3** found → removed |
 | Empty / invalid labels | 0-box files, out-of-range, zero-area boxes | **0** |
 | Image ↔ label ↔ XML pairing | bidirectional | **0** orphans |
@@ -76,14 +80,14 @@ labels, box tightness) — that requires domain expertise and is left untouched.
 
 | Property | Value |
 |---|---|
-| Images | **1,799** (200 × 200, grayscale) |
+| Images | **1,797** (200 × 200, grayscale) |
 | Classes | **6** — `crazing`, `inclusion`, `patches`, `pitted_surface`, `rolled-in_scale`, `scratches` |
-| Bounding boxes | **4,183** (≈ 2.33 per image) |
+| Bounding boxes | **4,177** (≈ 2.32 per image) |
 | Formats | Pascal VOC XML · YOLO TXT |
-| Split | train 1,439 / val 180 / test 180 (seeded, class-stratified) |
+| Split | train 1,437 / val 180 / test 180 (seeded, class-stratified) |
 
-**Boxes per class:** `inclusion` 1,010 · `patches` 877 · `crazing` 688 · `rolled-in_scale` 628 ·
-`scratches` 548 · `pitted_surface` 432
+**Boxes per class:** `inclusion` 1,010 · `patches` 875 · `crazing` 688 · `rolled-in_scale` 628 ·
+`scratches` 546 · `pitted_surface` 430
 
 ### Structure
 
@@ -127,8 +131,9 @@ annotations and are verified to agree.
 ```
 
 **2. This corrected release — please cite it as well.** It is not identical to the official
-release: one duplicate image and three duplicate boxes were removed, a reproducible split was
-added, and the data was re-packaged, so a citation to the papers alone does not describe this version.
+release: 3 duplicate images (1 exact, 2 near-duplicates under rotation / shift) and 3 duplicate
+boxes were removed, a reproducible split was added, and the data was re-packaged, so a citation
+to the papers alone does not describe this version.
 
 ```bibtex
 @misc{neudet_corrected,
@@ -171,8 +176,8 @@ Image pixels are unmodified and remain subject to the upstream terms.
 
 - Source: official NEU-DET release (Google Drive), retrieved 2026-09-21.
 - Upstream: 1,800 images + 1,800 Pascal VOC XML, no split.
-- Verified: 1,799 images retained, byte-identical to upstream; 4,183 boxes after removing
-  3 duplicate boxes and the duplicate image.
+- Verified: 1,797 images retained, byte-identical to upstream; 4,177 boxes after removing
+  3 duplicate boxes and 3 duplicate images (1 exact, 2 near-duplicates).
 
 ---
 
@@ -193,24 +198,26 @@ Image pixels are unmodified and remain subject to the upstream terms.
 
 | # | 修正 | 说明 |
 |---|---|---|
-| 1 | **删除 1 张重复图** | `patches_105.jpg` 与 `patches_101.jpg` 像素完全相同（同一张图被标注了两次，框略有差异）。删除 `patches_105`。 |
-| 2 | **删除 3 个重复框** | `crazing_120`、`inclusion_62`、`patches_198` 各有 1 个边界框**逐字重复出现两次**。 |
-| 3 | **补充可复现划分** | 上游无划分；本版提供固定随机种子、按类别分层的 80/10/10 划分。 |
-| 4 | **双格式** | 上游仅有 Pascal VOC；本版同时提供 **VOC + YOLO**（由同一次转换生成并校验一致）。 |
-| 5 | **规范化打包** | 新增 `classes.txt`、`data.yaml`、`ImageSets/`。 |
+| 1 | **删除 1 张完全重复图** | `patches_105.jpg` 与 `patches_101.jpg` 像素完全相同（同一张图被标注两次，框略有差异）。 |
+| 2 | **删除 2 张近似重复图** | `scratches_247.jpg` 是 `scratches_232.jpg` 旋转 90° 的副本；`pitted_surface_292.jpg` 是 `pitted_surface_171.jpg` 平移 2px 的副本。两者在对齐剖面中都呈**尖锐唯一极小值**（随机同类对从未低于 MAE ≈ 13）。 |
+| 3 | **删除 3 个重复框** | `crazing_120`、`inclusion_62`、`patches_198` 各有 1 个边界框**逐字重复出现两次**。 |
+| 4 | **补充可复现划分** | 上游无划分；本版提供固定随机种子、按类别分层的 80/10/10 划分。 |
+| 5 | **双格式** | 上游仅有 Pascal VOC；本版同时提供 **VOC + YOLO**（由同一次转换生成并校验一致）。 |
+| 6 | **规范化打包** | 新增 `classes.txt`、`data.yaml`、`ImageSets/`。 |
 
-**图像像素从不修改**——1,799 张图与上游文件逐字节一致。
+**图像像素从不修改**——1,797 张图与上游文件逐字节一致。
 
 **本版范围——仅结构化清理。** 这是**结构性清理，不是重新标注**。我们只去重、重新打包；
 **不**重新核对单个标注框（漏标、类别标错、框松紧）——那需要领域专业知识，一律保持原样。
 
-**已执行的结构化检查**（针对发布的 1,799 张）：
+**已执行的结构化检查**（针对发布的 1,797 张）：
 
 | 检查 | 方法 | 结果 |
 |---|---|---|
 | 样本重复 · 精确 | 逐字节 MD5 | **1 组** → 已删 |
-| 样本重复 · 旋转/镜像 | 8 种二面体变换逐像素哈希 | **0** |
-| 样本重复 · 近似 | 32×32 与 64×64 灰度 MAE | **0** |
+| 样本重复 · 旋转/镜像 | 8 种二面体变换感知哈希 | **1 组** → 已删 |
+| 样本重复 · 平移 | 对齐像素 MAE + 尖锐极小值判定 | **1 组** → 已删 |
+| 样本重复 · 近似 | 32×32/64×64 MAE + 全库对齐扫描 | **0 剩余** |
 | 标签重复 · 图内 | 逐字比对同一图内的框 | **3 个** → 已删 |
 | 空/非法标签 | 0 框文件、越界框、零面积框 | **0** |
 | 图片↔标签↔XML 配对 | 双向 | **0 孤儿** |
@@ -221,14 +228,14 @@ Image pixels are unmodified and remain subject to the upstream terms.
 
 | 属性 | 值 |
 |---|---|
-| 图片 | **1,799**（200 × 200 灰度） |
+| 图片 | **1,797**（200 × 200 灰度） |
 | 类别 | **6** —— `crazing`、`inclusion`、`patches`、`pitted_surface`、`rolled-in_scale`、`scratches` |
-| 标注框 | **4,183**（约 2.33 框/图） |
+| 标注框 | **4,177**（约 2.32 框/图） |
 | 格式 | Pascal VOC XML · YOLO TXT |
-| 划分 | train 1,439 / val 180 / test 180（固定种子、类别分层） |
+| 划分 | train 1,437 / val 180 / test 180（固定种子、类别分层） |
 
-**各类框数**：`inclusion` 1,010 · `patches` 877 · `crazing` 688 · `rolled-in_scale` 628 ·
-`scratches` 548 · `pitted_surface` 432
+**各类框数**：`inclusion` 1,010 · `patches` 875 · `crazing` 688 · `rolled-in_scale` 628 ·
+`scratches` 546 · `pitted_surface` 430
 
 ### 目录结构
 
@@ -315,4 +322,4 @@ NEU-DET-corrected/
 
 - 来源：官方 NEU-DET 发布（Google Drive），获取于 2026-09-21
 - 上游：1,800 图 + 1,800 Pascal VOC XML，无划分
-- 已校验：保留 1,799 图，与上游逐字节一致；删除 3 个重复框与 1 张重复图后共 4,183 框
+- 已校验：保留 1,797 图，与上游逐字节一致；删除 3 个重复框与 3 张重复图（1 张完全重复 + 2 张近似重复）后共 4,177 框