CVPR Workshop 2026 on 'From Perception to Persuasion: Challenges and Advances in Misinformation Detection in Society (PP-MisDet )'

All submissions will be handled electronically via the workshop's CMT paper submission website CMT Website. Papers are limited to eight pages, including figures and tables, in the CVPR style. Additional pages containing only cited references are allowed. A complete paper should be submitted using the CVPR templates, which are blind-submission review-formatted templates.

Please refer to CVPR 2026 Author Guidelines for detailed formatting instruction.

The Microsoft CMT service was used for managing the peer-reviewing process for this conference. This service was provided for free by Microsoft and they bore all expenses, including costs for Azure cloud services as well as for software development and support.
 

Link for Paper Submissions

Organising Co-Chairs 

Dr Priyanka Singh
Senior Lecturer of Cybersecurity
School of Electrical Engineering and Computer Science at The University of Queensland

Dr Singh has a PhD in image forensics and has more than 11 years of experience in multimedia forensics, homomorphic encryption, privacy-preserving frameworks, and cloud security. Her recent work spans around provenance and tracking of media manipulation, explainable models for digital forensics and cyber security domain, encrypted domain perceptual hashing for privacy-preserving workflows, and attending to the security and privacy issues. 

Professor Xue Li
Professor
School of Electrical Engineering and Computer Science at The University of Queensland

Professor Li's major areas of research interests and expertise include data mining, social computing, health data analytics, and intelligent web information systems. His work on large-scale behavioural pattern discovery and risk monitoring directly supports media manipulation and real-time harm assessment. 

Associate Professor Pradeep K. Atrey
Co-Director of the Albany Lab for Privacy and Security (ALPS)
University of Albany, SUNY

Associate Professor Atrey's group works on multimedia intelligence in encrypted spaces, media rich disinformation detection and mitigation, privacy, and secure large-scale analytics. He has served in senior organisational roles for ACM Multimedia and related venues and has an extensive publication record in multimedia forensics, provenance, and content authentication. 

Technical Program Committee

• Yanjun Zhang, University of Technology Sydney, Australia
• Guanfeng Liu, Macquarie University, Australia
• Jia Wu, Macquarie University, Australia
• Lin Yue, University of Adelaide, Australia
• Manoranjan Mohanty, Carnegie Mellon University, Qatar
• Vivek K. Singh, Rutgers University, USA
• Sharif Abuadbba, CSIRO’s Data61, Australia
• Shahroz Tariq, CSIRO’s Data61, Australia
• Rajat Subhra Chakraborty, IIT Kharagpur, India
• Ruchira Naskar, IIEST Shibpur, India
• Parag Rughani, National Forensic Sciences University, India
• Ling Chen, National Yang Ming Chiao Tung University, Taiwan

Web and Publicity Chair 

• Gagandeep Singh, The University of Queensland, Australia
   

• Siwei Lyu 
  University at Albany, SUNY
  
  
  
  
   
• Mohan S. Kankanhalli 
  National University of Singapore
  
  
  
  
   
• Ryan Ko 
  The University of Queensland
  
  
  
  
   
• Gianluca Demartini
  The University of Queensland
  
   

DGM⁴+ Challenge on Global Scene Inconsistency Detection

PP-MisDet Workshop @ CVPR 2026

Overview

The DGM⁴+ Challenge on Global Scene Inconsistency Detection aims to advance research on detecting and explaining semantic inconsistencies between visual content and accompanying text.

Modern multimodal misinformation increasingly relies on contextual manipulation, where fabricated foregrounds, misleading backgrounds, and deceptive captions are combined to produce persuasive but false narratives. Unlike traditional deepfake benchmarks that focus on low-level artifacts, DGM⁴+ emphasizes scene-level and narrative-level inconsistency.

This challenge provides a standardized benchmark for evaluating models that jointly reason over images and text to identify misleading content.

Task Description

Given an image–caption pair, participants must jointly perform:

Authenticity Classification: Predict whether the pair is semantically consistent (authentic) or contains contextual manipulation (manipulated).

Manipulation-Type Classification: For manipulated samples, predict whether the inconsistency corresponds to: Text Swap or Text Attribute.

ModificationTextual Grounding of Inconsistency: Identify caption tokens or spans that introduce misleading, fabricated, or contextually inconsistent information.

All three outputs are mandatory and are jointly evaluated.

Dataset

The DGM⁴+ dataset contains approximately 5,000 news-style image–caption pairs, including:

• Authentic scenes

• Text swap manipulations

• Text attribute manipulations

• Narrative reframing

Dataset Splits

Public splits are released under a CC BY-NC 4.0 license.

Dataset is available to view and download at: https://drive.google.com/file/d/1kXNqljyJ7EHmHnRn3ORPgLjawnJ63YHL/view?usp=sharing

For more information about the dataset: https://arxiv.org/abs/2509.26047

Required Outputs

Each submission must provide predictions for all test samples.

(a) Authenticity Prediction

A CSV file containing:

id,label,confidence,manipulation_type

Where:

• Binary_label ∈ {authentic, manipulated}

• confidence ∈ [0,1]

• manipulation_type ∈ {origin, text_swap, text_attribute}

For authentic samples, manipulation_type must be origin.

(b) Text Grounding Output

A JSON file containing token indices corresponding to misleading or manipulated text:

{

  "0001": [3,4,5,6]

}

Tokenization follows the official tokenizer released with the dataset.

For authentic samples, an empty list must be submitted.

Optional Cross-Modal Grounding and Explanation Track

In addition to required outputs, participants are encouraged to submit cross-modal explanations linking misleading textual elements to relevant visual evidence.

For each manipulated sample, teams may optionally provide:

• Alignments between identified misleading tokens and corresponding image regions, and/or

• Visualizations illustrating how textual claims are supported or contradicted by visual content.

These explanations are intended to demonstrate how models reason about semantic inconsistency across modalities.

Optional submissions are not included in the official leaderboard evaluation and do not affect ranking.

However, high-quality cross-modal grounding and explanation outputs will be highlighted during the poster session and invited presentations.

Selected teams may receive a Best Explainability Award.

Optional Submission Format

Optional explanations may be submitted as:

• Visualization images (PNG/JPEG), and/or

• JSON files linking token indices to bounding boxes.

Example format:

{

  "0001": {

    "tokens": [3,4,5],

    "regions": [0.12,0.34,0.56,0.78]

  }

}

Submission Format

Each submission must be packaged as:

submission.zip

 ├── classification.csv

 └── text_grounding.json

1. Classification Evaluation

Authenticity classification is evaluated using:

• Accuracy

• F1-score

• ROC–AUC

Confidence scores are used for AUC computation.

2. Text Grounding Evaluation

For manipulated samples, prediction of text swap vs. text attribute is evaluated using:

• Accuracy

• Macro F1-score

This evaluates the system’s ability to distinguish different forms of semantic inconsistency.

Evaluation Protocol

Evaluation is conducted independently for each component and combined into a final score.

Final rankings are computed using:

Score = 0.5 × F1_binary

      + 0.3 × F1_text

      + 0.2 × F1_type

This weighting prioritizes reliable detection of semantic inconsistency while rewarding accurate explanation and manipulation-type recognition.

Challenge Timeline

Participation

To participate:

Register via the challenge platform (add link here)

Download the training and validation sets

Develop and evaluate models

Submit predictions on the hidden test set

Registration links and instructions will be provided on this page.

Awards

Outstanding contributions will be recognised through:

• Best Overall Performance

• Best Explainability and Grounding

• Best Student Team

Selected teams will be invited to present short papers and demos at PP-MisDet.

Ethical Use Policy

All manipulated samples are synthetically generated and do not depict real individuals or events.

Participants agree to:

• Use the dataset exclusively for research purposes

• Not generate or disseminate misinformation

• Not redistribute the dataset without permission

• Violations may result in disqualification.

Transparency and Reproducibility

After the challenge concludes, evaluation scripts, annotation guidelines, and benchmark statistics will be publicly released to support long-term community use.

Updates

Additional information regarding baseline models, leaderboard access, and submission procedures will be posted on this page.

Please check regularly for updates.