u/Dunc4n1d4h0

▲ 2 r/comfyui+1 crossposts

LTX 2.3 i2v - color/brightness/contrast change

Hi,
Sometimes I get this strange color/brightness/contrast change after first few frames, for example starting frames are much have more contrast and brightness. when generating i2v with ltx 2.3. Workflow is nearly as in Comfy template, I just use gguf distilled v1.1 models. Glitch comes in 1st stage, before upscaling.

Is it just unlucky bad seed case or it an be improved?
I tried color match nodes from kj, but every method seems to ad sone kind of banding visible on gradients, so...

Thanks in advance!

reddit.com
u/Dunc4n1d4h0 — 3 days ago

How to name mmproj-*.gguf?

Can someone tell me please, how TF should I name my mmproj-BF16.gguf?

I tried every name that came to my mind:
ls:
gemma-3-12b-it-qat-UD-Q5_K_XL.gguf

gemma-3-12b-it-mmproj-BF16.gguf -> mmproj-F16.gguf
gemma-3-12b-it-mmproj-F16.gguf -> mmproj-F16.gguf
gemma-3-12b-it-qat-UD-Q5_K_XL-mmproj-BF16.gguf -> mmproj-BF16.gguf
gemma-3-12b-it-qat-UD-Q5_K_XL-mmproj-F16.gguf -> mmproj-F16.gguf
gemma-3-12b-it-qat-mmproj-BF16.gguf -> mmproj-BF16.gguf
gemma-3-12b-it-qat-mmproj-F16.gguf -> mmproj-F16.gguf
mmproj-BF16.gguf
mmproj-F16.gguf

I even downloaded F16 version.

Still in ComfyUI:
gguf qtypes: F32 (289), Q6_K (87), Q5_K (230), Q4_K (20)
Attempting to recreate sentencepiece tokenizer from GGUF file metadata...
Created tokenizer with vocab size of 262208
Dequantizing token_embd.weight to prevent runtime OOM.
clip missing: ['multi_modal_projector.mm_input_projection_weight', 'multi_modal_projector.mm_soft_emb_norm.weight', 'vision_model.embeddings.patch_embedding.weight', 'vision_model.embeddings.patch_embedding.bias', 'vision_model.embeddings.position_embedding.weight', 'vision_model.encoder.layers.0.layer_norm1.weight', 'vision_model.encoder.layers.0.layer_norm1.bias', 'vision_model.encoder.layers.0.self_attn.q_proj.weight', 'vision_model.encoder.layers.0.self_attn.k_proj.weight', 'vision_model.encoder.layers.0.self_attn.v_proj.weight', 'vision_model.encoder.layers.0.self_attn.out_proj.weight', 'vision_model.encoder.layers.0.layer_norm2.weight', 'vision_model.encoder.layers.0.layer_norm2.bias', 'vision_model.encoder.layers.0.mlp.fc1.weight', 'vision_model.encoder.layers.0.mlp.fc2.weight', 'vision_model.encoder.layers.1.layer_norm1.weight', 'vision_model.encoder.layers.1.layer_norm1.bias', 'vision_model.encoder.layers.1.self_attn.q_proj.weight', 'vision_model.encoder.layers.1.self_attn.k_proj.weight', 'vision_model.encoder.layers.1.self_attn.v_proj.weight',
...

reddit.com
u/Dunc4n1d4h0 — 5 days ago