Similarity-invariant sketch-based image retrieval in large databases

S Parui, A Mittal - Computer Vision–ECCV 2014: 13th European …, 2014 - Springer
Proliferation of touch-based devices has made the idea of sketch-based image retrieval
practical. While many methods exist for sketch-based image retrieval on small datasets, little …

Video sketch: A middle-level representation for action recognition

XY Zhang, YP Huang, Y Mi, YT Pei, Q Zou, S Wang - Applied Intelligence, 2021 - Springer
Different modalities extracted from videos, such as RGB and optical flows, may provide
complementary cues for improving video action recognition. In this paper, we introduce a …

A survey on freehand sketch recognition and retrieval

X Zhang, X Li, Y Liu, F Feng - Image and Vision Computing, 2019 - Elsevier
With the development of digital devices and pressure sensing equipment, research into
freehand sketches from touch-screen interfaces has increased significantly in recent years …

Im2sketch: Sketch generation by unconflicted perceptual grou**

Y Qi, J Guo, YZ Song, T **
Y Qi, J Guo, Y Li, H Zhang, T **ang… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
Sketch is used for rendering the visual world since prehistoric times, and has become
ubiquitous nowadays with the increasing availability of touchscreens on portable devices …

Training object detectors from few weakly-labeled and many unlabeled images

Z Yang, M Shi, C Xu, V Ferrari, Y Avrithis - Pattern Recognition, 2021 - Elsevier
Weakly-supervised object detection attempts to limit the amount of supervision by
dispensing the need for bounding boxes, but still assumes image-level labels on the entire …

Better freehand sketch synthesis for sketch-based image retrieval: Beyond image edges

X Zhang, X Li, X Li, M Shen - Neurocomputing, 2018 - Elsevier
With the rapid development of electronic touch screen and pressure-sensing devices,
research on freehand sketches has become a hotspot in recent years. In this paper, we first …

Eye of the dragon: Exploring discriminatively minimalist sketch-based abstractions for object categories

RK Sarvadevabhatla - Proceedings of the 23rd ACM international …, 2015 - dl.acm.org
As a form of visual representation, freehand line sketches are typically studied as an end
product of the sketching process. However, from a recognition point of view, one can also …

Discovering discriminative patches for free-hand sketch analysis

Y Zheng, H Yao, S Zhao, Y Wang - Multimedia Systems, 2017 - Springer
Since the ancient times, free-hand sketch has been widely used as an effective and
convenient intermediate means to express human thoughts and highly diverse objects in …

Unsupervised shape discovery using synchronized spectral networks

Y Cai, A Lum, A Mercado, M Landis, J Warrington… - Pattern Recognition, 2017 - Elsevier
Unsupervised discovery and extraction of common shapes from unlabeled images is a
fundamental problem in object recognition and has broad applications in practice. However …