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cs.CV2026

Revisiting Human-in-the-Loop Object Retrieval with Pre-Trained Vision Transformers

Kawtar Zaher, Olivier Buisson, Alexis Joly

Building on existing approaches, we revisit Human-in-the-Loop Object Retrieval, a task that consists of iteratively retrieving images containing objects of a class-of-interest, spe…

cs.CV2026

Positive-First Most Ambiguous: A Simple Active Learning Criterion for Interactive Retrieval of Rare Categories

Kawtar Zaher, Olivier Buisson, Alexis Joly

Real-world fine-grained visual retrieval often requires discovering a rare concept from large unlabeled collections with minimal supervision. This is especially critical in biodive…

cs.CV2026

Self-Supervised Learning of Plant Image Representations

Ilyass Moummad, Kawtar Zaher, Hervé Goëau +3

Automated plant recognition plays a crucial role in biodiversity monitoring and conservation, yet current approaches rely heavily on supervised learning, which is limited by the av…

cs.CV2026

Energy-Efficient Plant Monitoring via Knowledge Distillation

Ilyass Moummad, Reda Bensaid, Kawtar Zaher +5

Recent advances in large-scale visual representation learning have significantly improved performance in plant species and plant disease recognition tasks. However, state-of-the-ar…

cs.CV2026

Self-Supervised Learning as Discrete Communication

Kawtar Zaher, Ilyass Moummad, Olivier Buisson +1

Most self-supervised learning (SSL) methods learn continuous visual representations by aligning different views of the same input, offering limited control over how information is…

cs.CV2025

Image Hashing via Cross-View Code Alignment in the Age of Foundation Models

Ilyass Moummad, Kawtar Zaher, Hervé Goëau +1

Efficient large-scale retrieval requires representations that are both compact and discriminative. Foundation models provide powerful visual and multimodal embeddings, but nearest…