Search Results for author: Sudipta Sinha

Found 6 papers, 1 papers with code

Self-supervised Learning with Local Contrastive Loss for Detection and Semantic Segmentation

no code implementations10 Jul 2022 Ashraful Islam, Ben Lundell, Harpreet Sawhney, Sudipta Sinha, Peter Morales, Richard J. Radke

We evaluate our SSL approach on two downstream tasks -- object detection and semantic segmentation, using COCO, PASCAL VOC, and CityScapes datasets.

Object object-detection +4

Generalized Pose-and-Scale Estimation using 4-Point Congruence Constraints

1 code implementation27 Nov 2020 Victor Fragoso, Sudipta Sinha

We present gP4Pc, a new method for computing the absolute pose of a generalized camera with unknown internal scale from four corresponding 3D point-and-ray pairs.

Depth Completion Using a View-constrained Deep Prior

no code implementations21 Jan 2020 Pallabi Ghosh, Vibhav Vineet, Larry S. Davis, Abhinav Shrivastava, Sudipta Sinha, Neel Joshi

Given color images and noisy and incomplete target depth maps, we optimize a randomly-initialized CNN model to reconstruct a depth map restored by virtue of using the CNN network structure as a prior combined with a view-constrained photo-consistency loss.

Depth Completion Image Denoising

Submodular Trajectory Optimization for Aerial 3D Scanning

no code implementations ICCV 2017 Mike Roberts, Debadeepta Dey, Anh Truong, Sudipta Sinha, Shital Shah, Ashish Kapoor, Pat Hanrahan, Neel Joshi

Drones equipped with cameras are emerging as a powerful tool for large-scale aerial 3D scanning, but existing automatic flight planners do not exploit all available information about the scene, and can therefore produce inaccurate and incomplete 3D models.

Trajectory Planning

Multiview Rectification of Folded Documents

no code implementations1 Jun 2016 Shaodi You, Yasuyuki Matsushita, Sudipta Sinha, Yusuke Bou, Katsushi Ikeuchi

Digitally unwrapping images of paper sheets is crucial for accurate document scanning and text recognition.

3D Reconstruction

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