The Search_2 dataset

The Search_2 dataset consists of <em>(1)</em> a set of 44 high-resolution digital color images of different complex natural scenes, <em>(2)</em> the ground truth corresponding to each of these scenes, and <em>(3)</em> the results of psychophysical experiments on each of these images. The images in the Search_2 dataset are a subset of a larger set that was used in a visual search and detection experiment. Each scene (image) contains a single military vehicle that serves as a search target. Areport describes the images in detail, and presents the corresponding ground truth and observer data. The image dataset, an Excel file with the ground truth and observer data, and a copy of this report are included in the dataset. The complete dataset can be used to validate <em>(1)</em> digital metrics that compute the visual distinctness (contrast, conspicuity, or saliency) of targets in complex scenes, and (<em>2)</em> models of human visual search and detection.