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Srinivas Kruthiventi S. S

dblp:260/3329 · DBLP profile ↗
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1ranked-venue papers
1as first author
1since 2021 · last 2021
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Graphics, computer vision, multimedia, augmented reality and games · 1 · 1 first-author · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
1 paper
Video understanding and tracking · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Computer vision › Video understanding and tracking › sign language recognition
fingerspelling recognition
0.512021
Fingerspelling Recognition in the Wild with Fixed-Query based Visual Attention · ACM Multimedia 2021
Computer vision › Video understanding and tracking
gesture recognition
0.512021
Fingerspelling Recognition in the Wild with Fixed-Query based Visual Attention · ACM Multimedia 2021
Computer vision › Video understanding and tracking
sign language recognition
0.512021
Fingerspelling Recognition in the Wild with Fixed-Query based Visual Attention · ACM Multimedia 2021

Methods — techniques the papers use, named apart from their topics

recurrent neural network · 0.5multi-scale attention · 0.5curriculum learning · 0.5
YearPublicationVenuePosition
2021 Fingerspelling Recognition in the Wild with Fixed-Query based Visual Attention
abstract
We propose an end-to-end solution for recognizing fingerspelling using multi-scale attention with fixed-queries. Fingerspelling recognition in the wild gets challenging because of the multiple sub-problems involved - detecting the signing hand, tracking it across frames, and recognizing subtle variations in a hand gesture. While the current state-of-the-art handles these with external face/hand detectors, optical flow features, and iteratively refining the attention maps, our work proposes a deep learning model that takes in the RGB videos and recognizes fingerspelling with a single forward pass. Without any frame-level supervision, our proposed model learns to pay attention to informative regions in each frame, such as fingers, hand, and face, to recognize signs. Multi-scale features from these attended regions are then processed using a recurrent neural network to recognize the alphabet sequentially. We train our model using a curriculum learning strategy with simpler samples at the beginning, followed by challenging samples at a later stage. We have evaluated our approach on Chicago Fingerspelling Wild and WildPlus datasets and have achieved about 8% and 4% improvements, respectively, compared to the current state-of-the-art methods. Further analysis of our method shows that our attention mechanism is intuitive from a human perspective, and visualizing it offers useful insights into the working of the model.
Srinivas Kruthiventi S. S, George Jose, Nitya Tandon, Rajesh Roshan Biswal, Aashish Kumar
ACM Multimedia1