78.6
ChartMimic
82.6
Design2Code
29%
GRPO render budget
10/10
个人兴趣
Visual-SDPO 把 screenshot、rubric 和 error 当 teacher-only context。
ChartMimic
Design2Code
GRPO render budget
个人兴趣
元素重叠
文字被裁
布局错位
可读性不足
student on-policy
renderer/browser
screenshot/error
score same code
KL + GRPO
visual region 先映射到 statement,再放大 implicated token 的 distillation weight。
artist hook + stack frame + bbox
source metadata + browser rectangle
python-pptx shape construction hook
| Benchmark | OPSD | GRPO | Visual-SDPO |
|---|---|---|---|
| ChartMimic | 77.0 | 76.2 | 78.6 |
| Design2Code | 78.6 | 80.0 | 82.6 |
| AeSlides | — | 58.2 | 60.7 |
execution failure → 0
traceback / browser error 仍可输入
diagnostic → syntax/type span
event/test → signal/state code
frame diff → node/property
principle、formula、benchmark gains
code、α/β、optimizer、detector details