← Search

Arjun Karpur

8 accepted papers

2026

TIPSv2: Advancing Vision-Language Pretraining with Enhanced Patch-Text Alignment

CVPR 2026

Recent progress in vision-language pretraining has enabled significant improvements to many downstream computer vision applications, such as classification, retrieval, segmentation and depth prediction. However, a fundamental capability that these models still struggle with is aligning dense patch r

Cited by 0SourcecodeScholar
2025

TIPS: Text-Image Pretraining with Spatial awareness

ICLR 2025poster

While image-text representation learning has become very popular in recent years, existing models tend to lack spatial awareness and have limited direct applicability for dense understanding tasks. For this reason, self-supervised image-only pretraining is still the go-to method for many dense visio…

2024

OmniGlue: Generalizable Feature Matching with Foundation Model Guidance

CVPR 2024poster

The image matching field has been witnessing a continuous emergence of novel learnable feature matching techniques with ever-improving performance on conventional benchmarks. However our investigation shows that despite these gains their potential for real-world applications is restricted by their l…

2023

Global Features are All You Need for Image Retrieval and Reranking

ICCV 2023poster

Image retrieval systems conventionally use a two-stage paradigm, leveraging global features for initial retrieval and local features for reranking. However, the scalability of this method is often limited due to the significant storage and computation cost incurred by local feature matching in the r…

Cited by 47PDFcodeScholar
2023

NAVI: Category-Agnostic Image Collections with High-Quality 3D Shape and Pose Annotations

NeurIPS 2023poster

Recent advances in neural reconstruction enable high-quality 3D object reconstruction from casually captured image collections. Current techniques mostly analyze their progress on relatively simple image collections where SfM techniques can provide ground-truth (GT) camera poses. We note that SfM te…

2021

Nutrition5k: Towards Automatic Nutritional Understanding of Generic Food

CVPR 2021poster

Understanding the nutritional content of food from visual data is a challenging computer vision problem, with the potential to have a positive and widespread impact on public health. Studies in this area are limited to existing datasets in the field that lack sufficient diversity or labels required…

Cited by 113PDFcodeScholar
2018

StarMap for Category-Agnostic Keypoint and Viewpoint Estimation

ECCV 2018poster

Semantic keypoints provide concise abstractions for a variety of visual understanding tasks. Existing methods define semantic keypoints separately for each category with a fixed number of semantic labels in fixed indices. As a result, this keypoint representation is in-feasible when objects have a v…

2018

Unsupervised Domain Adaptation for 3D Keypoint Estimation via View Consistency

ECCV 2018poster

In this paper, we introduce a novel unsupervised domain adaptation technique for the task of 3D keypoint prediction from a single depth scan or image. Our key idea is to utilize the fact that predictions from different views of the same or similar objects should be consistent with each other. Such v…