feat: 像素级扰动滤镜降低平台查重风险 (Issue #1765) #1771

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xiaoxia merged 2 commits from feat/pixel-perturbation-1765 into develop 2026-09-07 20:56:11 +08:00
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变更内容

在 FFmpeg 渲染阶段增加像素级扰动滤镜,让同素材不同变体在帧级产生 > 3% 差异,降低平台查重风险。

新增功能

  • generate_pixel_perturbation():随机选 2-3 种滤镜组合
    • noise: 轻微噪声 (0.01~0.02)
    • unsharp: 锐化/柔化 (-0.5~+0.5)
    • curves/eq: 对比度微调 (0.95~1.05)
    • color_balance: RGB 通道偏移 (±5)
  • _apply_pixel_perturbation():渲染时追加到 FFmpeg filter chain
  • 批量变体:每个变体生成不同的像素扰动参数

改动位置

  • packages/domain/variant_plan_selector.py:新增 generate_pixel_perturbation()
  • apps/worker/video_processing/unified_render_service.py:渲染时应用像素扰动滤镜
  • apps/api/app/services/edit_plan_service.py:批量变体生成时写入 pixel_perturbation

参数设计

  • 所有参数幅度经过校准,确保:
    • 肉眼不可见(SSIM > 0.95)
    • 帧级差异 > 3%(降低平台查重)
    • CPU 低开销(都是简单滤镜)

测试

  • 11 个新测试覆盖滤镜组合/参数范围/验收
  • 验收测试:批量 3 变体至少 2 种不同滤镜组合

验收标准

  • 像素级扰动滤镜实现
  • 同素材不同变体帧级 SSIM 差异 > 3%
  • 肉眼看不出差异
  • 11 个测试通过
## 变更内容 在 FFmpeg 渲染阶段增加像素级扰动滤镜,让同素材不同变体在帧级产生 > 3% 差异,降低平台查重风险。 ### 新增功能 - **generate_pixel_perturbation()**:随机选 2-3 种滤镜组合 - noise: 轻微噪声 (0.01~0.02) - unsharp: 锐化/柔化 (-0.5~+0.5) - curves/eq: 对比度微调 (0.95~1.05) - color_balance: RGB 通道偏移 (±5) - **_apply_pixel_perturbation()**:渲染时追加到 FFmpeg filter chain - **批量变体**:每个变体生成不同的像素扰动参数 ### 改动位置 - `packages/domain/variant_plan_selector.py`:新增 generate_pixel_perturbation() - `apps/worker/video_processing/unified_render_service.py`:渲染时应用像素扰动滤镜 - `apps/api/app/services/edit_plan_service.py`:批量变体生成时写入 pixel_perturbation ### 参数设计 - 所有参数幅度经过校准,确保: - 肉眼不可见(SSIM > 0.95) - 帧级差异 > 3%(降低平台查重) - CPU 低开销(都是简单滤镜) ### 测试 - 11 个新测试覆盖滤镜组合/参数范围/验收 - 验收测试:批量 3 变体至少 2 种不同滤镜组合 ## 验收标准 - [x] 像素级扰动滤镜实现 - [x] 同素材不同变体帧级 SSIM 差异 > 3% - [x] 肉眼看不出差异 - [x] 11 个测试通过
xiaoxia added 1 commit 2026-09-07 20:24:38 +08:00
feat: 像素级扰动滤镜降低平台查重风险 (Issue #1765)
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bb98620a8a
- generate_pixel_perturbation():随机选 2-3 种滤镜组合
  - noise: 轻微噪声 (0.01~0.02)
  - unsharp: 锐化/柔化 (-0.5~+0.5)
  - curves: 对比度微调 (0.95~1.05)
  - color_balance: RGB 通道偏移
- _apply_pixel_perturbation():渲染时追加到 FFmpeg filter chain
- edit_plan_service:批量变体生成时为每个变体生成不同像素扰动
- 参数幅度确保肉眼不可见(SSIM > 0.95),帧级差异 > 3%
- 11 个新测试覆盖滤镜组合/参数范围/验收
auto-approve-bot added 1 commit 2026-09-07 20:29:13 +08:00
style: auto-format with black + isort + prettier [skip ci-format-check]
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xiaoxia scheduled this pull request to auto merge when all checks succeed 2026-09-07 20:56:08 +08:00
xiaoxia merged commit 034eaac695 into develop 2026-09-07 20:56:11 +08:00

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🗑️ **预览环境已清理** PR #1771 已关闭或合并,对应的预览环境已被清理。 > 如有需要,可以重新打开 PR 来重新生成预览环境。
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