357 research outputs found
A standard for a graph representation for functional programs
The data structures used in the authors' functional language graph reduction implementations are described, together with a standard notation for representing the graphs in a textual format. The graphs employed are compatible with FLIC and with the functional languages in use at Birmingham and Warwick. The textual format is designed to be transmittable easily across networks
Capturing Label Characteristics in VAEs
We present a principled approach to incorporating labels in VAEs that
captures the rich characteristic information associated with those labels.
While prior work has typically conflated these by learning latent variables
that directly correspond to label values, we argue this is contrary to the
intended effect of supervision in VAEs-capturing rich label characteristics
with the latents. For example, we may want to capture the characteristics of a
face that make it look young, rather than just the age of the person. To this
end, we develop the CCVAE, a novel VAE model and concomitant variational
objective which captures label characteristics explicitly in the latent space,
eschewing direct correspondences between label values and latents. Through
judicious structuring of mappings between such characteristic latents and
labels, we show that the CCVAE can effectively learn meaningful representations
of the characteristics of interest across a variety of supervision schemes. In
particular, we show that the CCVAE allows for more effective and more general
interventions to be performed, such as smooth traversals within the
characteristics for a given label, diverse conditional generation, and
transferring characteristics across datapoints.Comment: Accepted to ICLR 202
MoCaE: Mixture of Calibrated Experts Significantly Improves Object Detection
We propose an extremely simple and highly effective approach to faithfully
combine different object detectors to obtain a Mixture of Experts (MoE) that
has a superior accuracy to the individual experts in the mixture. We find that
naively combining these experts in a similar way to the well-known Deep
Ensembles (DEs), does not result in an effective MoE. We identify the
incompatibility between the confidence score distribution of different
detectors to be the primary reason for such failure cases. Therefore, to
construct the MoE, our proposal is to first calibrate each individual detector
against a target calibration function. Then, filter and refine all the
predictions from different detectors in the mixture. We term this approach as
MoCaE and demonstrate its effectiveness through extensive experiments on object
detection, instance segmentation and rotated object detection tasks.
Specifically, MoCaE improves (i) three strong object detectors on COCO test-dev
by by reaching ; (ii) instance
segmentation methods on the challenging long-tailed LVIS dataset by
; and (iii) all existing rotated object detectors by reaching
on DOTA dataset, establishing a new state-of-the-art
(SOTA). Code will be made public
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Rediscovering New Philadelphia: Race and Racism on the Illinois Frontier
Prospectus, April 25, 1979
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