Abstract
Unfamiliar simultaneous face matching is error prone. Reducing incorrect identification decisions will positively benefit forensic and security contexts. The absence of view-independent information in static images likely contributes to the difficulty of unfamiliar face matching. We tested whether a novel interactive viewing procedure that provides the user with 3D structural information as they rotate a facial image to different orientations would improve face matching accuracy. We tested the performance of 'typical' (Experiment 1) and 'superior' (Experiment 2) face recognizers, comparing their performance using high-quality (Experiment 3) and pixelated (Experiment 4) Facebook profile images. In each trial, participants responded whether two images featured the same person with one of these images being either a static face, a video providing orientation information, or an interactive image. Taken together, the results show that fluid orientation information and interactivity prompt shifts in criterion and support matching performance. Because typical and superior face recognizers both benefited from the structural information provided by the novel viewing procedures, our results point to qualitatively similar reliance on pictorial encoding in these groups. This also suggests that interactive viewing tools can be valuable in assisting face matching in high-performing practitioner groups.
Highlights
Unfamiliar simultaneous face matching is error prone
We tested whether a novel interactive viewing procedure that provides the user with 3D structural information as they rotate a facial image to different orientations would improve face matching accuracy
Because typical and superior face recognizers both benefited from the structural information provided by the novel viewing procedures, our results point to qualitatively similar reliance on pictorial encoding in these groups
Summary
Unfamiliar simultaneous face matching is error prone. Reducing incorrect identification decisions will positively benefit forensic and security contexts. Because typical and superior face recognizers both benefited from the structural information provided by the novel viewing procedures, our results point to qualitatively similar reliance on pictorial encoding in these groups This suggests that interactive viewing tools can be valuable in assisting face matching in highperforming practitioner groups. Even relatively minor differences in viewpoint can create problems for unfamiliar face matching (Bruce et al 1999; Hancock, Bruce, & Burton, 2000), in more difficult matching tasks (Bruce et al, 1999) Based on these results, it might be expected that providing participants with both frontal and profile facial views would improve matching performance. As people are able to extract information across multiple frontal images of the same face to support the construction of stable representations (Menon, Kemp, & White, 2018; Menon, White, & Kemp, 2015; White et al, 2014), showing a face moving fluidly from side to side may facilitate the building of a view-independent representation
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