Comments (1)
Hi @wxpqq826615304,
Thank you for your interest in or work. The GCG task incorporates two forms of loss: the Autoregressive Cross-Entropy loss, which is applied to the output of the LMM, and the segmentation loss, which is a combination of the per-pixel BCE loss and the DICE loss. Although there is no loss explicitly designed to facilitate the matching between specific phrases and their corresponding segmentation masks, the integration of these two loss components indirectly addresses this alignment.
Consider a scenario where the expected output for a GCG task is given as "<p>The man</p> [SEG] sitting on the <p>bench</p>[SEG],"
which serves as the Ground Truth (GT). In this context, the BCE loss is used to evaluate the match between the predicted mask associated with the first [SEG] token and the GT mask corresponding to "the man." Consequently, the positioning of tokens, refined by the LMM's Cross-Entropy loss, along with the embeddings associated with each [SEG] token's position (as refined by the mask loss), collaboratively contribute to enhancing the matching between phrases and segmentation masks implicitly. This process ensures that the tasks of text generation and segmentation, though distinct, are cohesively integrated through the applied losses, thus facilitating the implicit alignment of phrases with their respective masks without the need for a separate, explicit matching loss.
Hope this helps. Thank you.
from groundinglmm.
Related Issues (20)
- Release of pre-training instructions? HOT 9
- GLaMM-FullScope model generates only a single mask HOT 2
- Empty output when inferring on the example image.
- GrandD Detailed Operation Guide HOT 7
- Grand-env HOT 2
- About GranD Pre-training Dataset HOT 2
- the demo caption is very simple HOT 1
- Question about Output Quality Difference Between Local and Online Demo for MBZUAI/GLaMM-FullScope HOT 3
- A bug in region captioning evaluation scripts HOT 1
- An error is reported when running eval HOT 5
- Fluctuate results on RefCOCO Family when evaluating the referring expression segmentation. HOT 1
- Running GranD Automated Annotation pipeline from scratch HOT 1
- local llm interface for glamm HOT 1
- 3D implementation of GLaMM HOT 2
- Can you provide a download link for the pth file of the SAM model? HOT 3
- About region caption HOT 2
- may i ask your total parameter?
- Some bugs in the GranD_ReferringSegm_ds.py
- Online Demo Down HOT 1
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