arXiv Computer Vision

Xiaomi-Lens-0 Technical Report

Xiaomi‑Lens‑0 is a 4B multimodal large language model built on Qwen3.5 that predicts region masks directly from its visual representations, eliminating the need for a separate segmentation encoder. By combining vision‑encoder patch features with visual latents and mask‑token states, the model interleaves reasoning with region‑specific latents, enabling grounded chain‑of‑thought reasoning. Across all RefCOCO, RefCOCO+, and RefCOCOg splits, Xiaomi‑Lens‑0 outperforms Qwen3.5 by an average of 5.6 points in referring comprehension and achieves the highest segmentation cIoU among compared models, while also surpassing Qwen3.5 on all perception benchmarks.

Hugging Face Trending Papers
Jul 14

Visual Access Boundaries in Vision-Language Model Reasoning

Chain-of-Thought (CoT) prompting is widely used as a test-time scaling strategy for Vision-Language Models (VLMs), but it remains unclear what is extended when VLMs generate longer reasoning traces. We ask whether CoT requires continued access to image tokens, or whether it mainly operates over visual information already made available earlier in the forward pass.

Hugging Face Trending Papers
Oct 28

What do MLLMs know about 'Waldo'? Evaluating Visual Reasoning under Multi-Instance Multi-Object Challenges

The paper introduces MIMO-Bench, a new benchmark designed to test Multimodal Large Language Models (MLLMs) on visual reasoning tasks that involve multiple instances of the same object category. Unlike existing benchmarks that focus on images with few object instances, MIMO-Bench contains 3,802 image-question pairs requiring the model to disambiguate among similar objects using attribute binding and numerical counting. Results show that state‑of‑the‑art models, both open‑source and proprietary, perform significantly worse on this benchmark, underscoring their limitations in handling multi‑instance, multi‑object scenarios.

arXiv AI
Jul 15

Visual Access Boundaries in Vision-Language Model Reasoning

arXiv:2607. 12815v1 Announce Type: new Abstract: Chain-of-Thought (CoT) prompting is widely used as a test-time scaling strategy for Vision-Language Models (VLMs), but it remains unclear what is extended when VLMs generate longer reasoning traces.

By Hiroto Osaka, Shohei Taniguchi, Gouki Minegishi, Kai Yamashita, Masahiro Suzuki, Yutaka Matsuo
arXiv Computation and Language
4d ago

MultiInpaintCOCO: Fine-Grained Visual Understanding in Multiple Languages

MultiInpaintCOCO extends the English InpaintCOCO dataset to 13 typologically diverse languages, creating a multilingual benchmark of 953 minimal-pair examples focused on fine-grained visual details. The study evaluates state-of-the-art multilingual multimodal retrieval models, revealing that performance drops significantly for lower-resource languages and that many models exhibit a systematic bias toward English captions. The benchmark and code are publicly available at https://github.com/ufal/multi-inpaint-coco.

By Andrei-Alexandru Manea, Jind\v{r}ich Libovick\'y, Philipp J. R\"osch
arXiv Computer Vision
Aug 28

Retrieval Heads Meet Vision: Uncovering How VLMs Locate and Extract Visual Information

The paper introduces Visual Retrieval Heads (VRHs), a small fraction of attention heads in vision‑language models that are causally responsible for grounding text descriptions to image regions. By recasting head‑scoring methods and evaluating across eleven VLMs and five benchmarks, the authors show that masking the top 20 VRHs can drop grounding accuracy by up to 80 percentage points, while random masking has little effect. VRHs generalize across various visual reference tasks, preserve output format while corrupting localization, and transfer causally across models sharing an LLM backbone.

By Chanho Park, Daehyeon Choi, Jihyun Lee, Minhyuk Sung
Hugging Face Trending Papers
5d ago

MultiInpaintCOCO: Fine-Grained Visual Understanding in Multiple Languages

MultiInpaintCOCO extends the English InpaintCOCO dataset to 13 typologically diverse languages, creating a multilingual benchmark of 953 minimal-pair examples focused on fine-grained visual details. The study evaluates state-of-the-art multilingual multimodal retrieval models, revealing that performance drops significantly for lower-resource languages and that many models exhibit a systematic bias toward English captions. The benchmark and code are publicly available at https://github.com/ufal/multi-inpaint-coco.

arXiv Computation and Language
Oct 9

SAGE: Sink-Aware Guided Emphasis for Visual Grounding in Vision-Language Decoders

The paper introduces SAGE, a lightweight method that guides decoder attention in vision-language models away from prompt‑invariant attention sinks (PIS) toward query‑dependent regions of interest (ROIs). By using token‑aligned ROI masks from vision backbones like CLIP, ViT, and DINOv3, SAGE improves visual grounding and reduces hallucinations across various VLM families. Experiments show consistent gains on public vision‑language benchmarks, especially in fine‑grained visual discrimination tasks where localized evidence is essential.

By Jeonghyo Song, YoungJoon Yoo
arXiv AI
Oct 2

LensVLM: Selective Context Expansion for Compressed Visual Representation of Text

LensVLM is an inference framework and post‑training recipe that lets Vision‑Language Models (VLMs) process compressed images of text by selectively expanding only the relevant parts back to full resolution. Using Qwen3.5‑9B‑Base, LensVLM achieves accuracy comparable to full‑text models at 4.3× compression and outperforms other compression baselines up to 10.1× across seven text QA benchmarks, while also improving performance on multimodal document and code tasks as compression increases.

By Roy Xie, Dan Friedman, Donghan Yu, Bowen Pan, Christopher Fifty, Jang-Hyun Kim, Xianzhi Du, Zhe Gan, Vivek Rathod, Bhuwan Dhingra