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Image captioning is a fundamental task in vision-language understanding, where the model predicts a textual informative caption to a given input image. In this paper, we present a simple approach to address this task. We use CLIP encoding…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Ron Mokady , Amir Hertz , Amit H. Bermano

We study the problem of shape generation in 3D mesh representation from a small number of color images with or without camera poses. While many previous works learn to hallucinate the shape directly from priors, we adopt to further improve…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Chao Wen , Yinda Zhang , Chenjie Cao , Zhuwen Li , Xiangyang Xue , Yanwei Fu

We show that generative models can be used to capture visual geometry constraints statistically. We use this fact to infer the 3D shape of object categories from raw single-view images. Differently from prior work, we use no external…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Shangzhe Wu , Christian Rupprecht , Andrea Vedaldi

Perceiving a three-dimensional (3D) scene with multiple objects while moving indoors is essential for vision-based mobile cobots, especially for enhancing their manipulation tasks. In this work, we present an end-to-end pipeline with…

Robotics · Computer Science 2024-02-20 K. Nguyen , T. Dang , M. Huber

We examine the possibility that recent promising results in automatic caption generation are due primarily to language models. By varying image representation quality produced by a convolutional neural network, we find that a…

Computation and Language · Computer Science 2015-08-11 Jack Hessel , Nicolas Savva , Michael J. Wilber

We study the problem of shape generation in 3D mesh representation from a few color images with known camera poses. While many previous works learn to hallucinate the shape directly from priors, we resort to further improving the shape…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Chao Wen , Yinda Zhang , Zhuwen Li , Yanwei Fu

This paper proposes ShapeShifter, a new 3D generative model that learns to synthesize shape variations based on a single reference model. While generative methods for 3D objects have recently attracted much attention, current techniques…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Nissim Maruani , Wang Yifan , Matthew Fisher , Pierre Alliez , Mathieu Desbrun

Foundation models have achieved remarkable results in 2D and language tasks like image segmentation, object detection, and visual-language understanding. However, their potential to enrich 3D scene representation learning is largely…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Zhimin Chen , Longlong Jing , Yingwei Li , Bing Li

Dense Video Object Captioning (DVOC) is the task of jointly detecting, tracking, and captioning object trajectories in a video, requiring the ability to understand spatio-temporal details and describe them in natural language. Due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Gabriel Fiastre , Antoine Yang , Cordelia Schmid

Dense video captioning aims to identify the events of interest in an input video, and generate descriptive captions for each event. Previous approaches usually follow a two-stage generative process, which first proposes a segment for each…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Wanrong Zhu , Bo Pang , Ashish V. Thapliyal , William Yang Wang , Radu Soricut

Methods that use neural networks for synthesizing 3D shapes in the form of a part-based representation have been introduced over the last few years. These methods represent shapes as a graph or hierarchy of parts and enable a variety of…

Graphics · Computer Science 2024-09-20 Yanran Guan , Oliver van Kaick

Image paragraph captioning aims to describe a given image with a sequence of coherent sentences. Most existing methods model the coherence through the topic transition that dynamically infers a topic vector from preceding sentences.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Qi Zheng , Chaoyue Wang , Dadong Wang

Controllable image semantic understanding tasks, such as captioning or segmentation, necessitate users to input a prompt (e.g., text or bounding boxes) to predict a unique outcome, presenting challenges such as high-cost prompt input or…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Xu Zhang , Jin Yuan , Hanwang Zhang , Guojin Zhong , Yongsheng Zang , Jiacheng Lin , Zhiyong Li

Driven by successes in deep learning, computer vision research has begun to move beyond object detection and image classification to more sophisticated tasks like image captioning or visual question answering. Motivating such endeavors is…

Computer Vision and Pattern Recognition · Computer Science 2018-02-09 Matthew Klawonn , Eric Heim

Image captioning attempts to generate a sentence composed of several linguistic words, which are used to describe objects, attributes, and interactions in an image, denoted as visual semantic units in this paper. Based on this view, we…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Longteng Guo , Jing Liu , Jinhui Tang , Jiangwei Li , Wei Luo , Hanqing Lu

Video captioning, the task of describing the content of a video, has seen some promising improvements in recent years with sequence-to-sequence models, but accurately learning the temporal and logical dynamics involved in the task still…

Computation and Language · Computer Science 2017-08-09 Ramakanth Pasunuru , Mohit Bansal

Change Captioning is a task that aims to describe the difference between images with natural language. Most existing methods treat this problem as a difference judgment without the existence of distractors, such as viewpoint changes.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Xiangxi Shi , Xu Yang , Jiuxiang Gu , Shafiq Joty , Jianfei Cai

Recent advances in 3D shape generation have achieved impressive results, but most existing methods rely on clean, unoccluded, and well-segmented inputs. Such conditions are rarely met in real-world scenarios. We present ShapeR, a novel…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Yawar Siddiqui , Duncan Frost , Samir Aroudj , Armen Avetisyan , Henry Howard-Jenkins , Daniel DeTone , Pierre Moulon , Qirui Wu , Zhengqin Li , Julian Straub , Richard Newcombe , Jakob Engel

3D Morphable Model (3DMM) fitting has widely benefited face analysis due to its strong 3D priori. However, previous reconstructed 3D faces suffer from degraded visual verisimilitude due to the loss of fine-grained geometry, which is…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Xiangyu Zhu , Chang Yu , Di Huang , Zhen Lei , Hao Wang , Stan Z. Li

Semantic-driven 3D shape generation aims to generate 3D objects conditioned on text. Previous works face problems with single-category generation, low-frequency 3D details, and requiring a large number of paired datasets for training. To…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Bo Han , Yitong Fu , Yixuan Shen