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This paper examines the limitations of advanced text-to-image models in accurately rendering unconventional concepts which are scarcely represented or absent in their training datasets. We identify how these limitations not only confine the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Jiyoon Myung , Jihyeon Park

Social media messages' brevity and unconventional spelling pose a challenge to language identification. We introduce a hierarchical model that learns character and contextualized word-level representations for language identification. Our…

Computation and Language · Computer Science 2016-08-11 Aaron Jaech , George Mulcaire , Shobhit Hathi , Mari Ostendorf , Noah A. Smith

Language models (LMs) have been reported to implicitly encode character-level information, despite not being explicitly provided during training. However, the mechanisms underlying this phenomenon remain largely unexplored. To reveal the…

Computation and Language · Computer Science 2026-02-06 Soma Sato , Ryohei Sasano

Artistic text recognition is an extremely challenging task with a wide range of applications. However, current scene text recognition methods mainly focus on irregular text while have not explored artistic text specifically. The challenges…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Xudong Xie , Ling Fu , Zhifei Zhang , Zhaowen Wang , Xiang Bai

Real-world image recognition systems need to recognize tens of thousands of classes that constitute a plethora of visual concepts. The traditional approach of annotating thousands of images per class for training is infeasible in such a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Ang Li , Allan Jabri , Armand Joulin , Laurens van der Maaten

Diffusion-based text-to-image models have demonstrated impressive achievements in diversity and aesthetics but struggle to generate images with legible visual texts. Existing backbone models have limitations such as misspelling, failing to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Wenbo Li , Guohao Li , Zhibin Lan , Xue Xu , Wanru Zhuang , Jiachen Liu , Xinyan Xiao , Jinsong Su

Text in an image provides vital information for interpreting its contents, and text in a scene can aide with a variety of tasks from navigation, to obstacle avoidance, and odometry. Despite its value, however, identifying general text in…

Computer Vision and Pattern Recognition · Computer Science 2013-09-27 Yao Li , Wenjing Jia , Chunhua Shen , Anton van den Hengel

Current image-to-image translations do not control the output domain beyond the classes used during training, nor do they interpolate between different domains well, leading to implausible results. This limitation largely arises because…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Kunhee Kim , Sanghun Park , Eunyeong Jeon , Taehun Kim , Daijin Kim

Image captioning models generally lack the capability to take into account user interest, and usually default to global descriptions that try to balance readability, informativeness, and information overload. On the other hand, VQA models…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Edwin G. Ng , Bo Pang , Piyush Sharma , Radu Soricut

The deployment of autonomous agents in real-world scenarios is challenged by "unknown unknowns", i.e. novel unexpected environments not encountered during training, such as degraded signs. While existing research focuses on anomaly…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Abhibha Gupta , Rully Agus Hendrawan , Mansur Arief

AI has made significant progress in solving math problems, but geometry problems remain challenging due to their reliance on both text and diagrams. In the text description, symbolic characters such as "$\triangle$ABC" often serve as a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Maizhen Ning , Qiu-Feng Wang , Kaizhu Huang , Xiaowei Huang

Standard pretrained language models operate on sequences of subword tokens without direct access to the characters that compose each token's string representation. We probe the embedding layer of pretrained language models and show that…

Computation and Language · Computer Science 2022-06-09 Itay Itzhak , Omer Levy

Vision-language models can assess visual context in an image and generate descriptive text. While the generated text may be accurate and syntactically correct, it is often overly general. To address this, recent work has used optical…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Wes Robbins , Zanyar Zohourianshahzadi , Jugal Kalita

Acoustic-to-Word recognition provides a straightforward solution to end-to-end speech recognition without needing external decoding, language model re-scoring or lexicon. While character-based models offer a natural solution to the…

Audio and Speech Processing · Electrical Eng. & Systems 2018-08-22 Shruti Palaskar , Florian Metze

Visual knowledge bases such as Visual Genome power numerous applications in computer vision, including visual question answering and captioning, but suffer from sparse, incomplete relationships. All scene graph models to date are limited to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Vincent S. Chen , Paroma Varma , Ranjay Krishna , Michael Bernstein , Christopher Re , Li Fei-Fei

Recent progress in text-to-image generation has greatly advanced visual fidelity and creativity, but it has also imposed higher demands on prompt complexity-particularly in encoding intricate spatial relationships. In such cases, achieving…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Zhenyu Tang , Chaoran Feng , Yufan Deng , Jie Wu , Xiaojie Li , Rui Wang , Yunpeng Chen , Daquan Zhou

The impressive capacity shown by recent text-to-image diffusion models to generate high-quality pictures from textual input prompts has leveraged the debate about the very definition of art. Nonetheless, these models have been trained using…

Computation and Language · Computer Science 2022-10-20 Ricardo Kleinlein , Cristina Luna-Jiménez , Fernando Fernández-Martínez

Character-level features are currently used in different neural network-based natural language processing algorithms. However, little is known about the character-level patterns those models learn. Moreover, models are often compared only…

Computation and Language · Computer Science 2018-08-30 Fréderic Godin , Kris Demuynck , Joni Dambre , Wesley De Neve , Thomas Demeester

Character-level models have become a popular approach specially for their accessibility and ability to handle unseen data. However, little is known on their ability to reveal the underlying morphological structure of a word, which is a…

Computation and Language · Computer Science 2018-05-31 Gözde Gül Şahin , Mark Steedman

Text-to-image generative models are capable of producing high-quality images that often faithfully depict concepts described using natural language. In this work, we comprehensively evaluate a range of text-to-image models on numerical…

Machine Learning · Computer Science 2025-02-07 Ivana Kajić , Olivia Wiles , Isabela Albuquerque , Matthias Bauer , Su Wang , Jordi Pont-Tuset , Aida Nematzadeh