Update README.md

README.md

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 <!-- **Paper:** https://arxiv.org/abs/2306.12624 -->
 
 The goal of subject replacement is to replace a subject from a source image with a customized subject. In contrast, the aim of the subject addition task is to add a customized
-subject to a desired position in the source image. 
-
-## Data Collection
-
-To standardize the evaluation of the two proposed tasks, we curate a new benchmark, i.e. DreamEditBench, consisting of 22 subjects in alignment with DreamBooth with 20 images for each subject correspondingly. For the subject replacement task, we collect 10 images for each type, which include same-typed source subjects in diverse environments as shown in Figure 6a. The images are retrieved from the
+subject to a desired position in the source image. To standardize the evaluation of the two proposed tasks, we curate a new benchmark, i.e. DreamEditBench, consisting of 22 subjects in alignment with DreamBooth with 20 images for each subject correspondingly. For the subject replacement task, we collect 10 images for each type, which include same-typed source subjects in diverse environments. The images are retrieved from the
 internet with the search query “a photo of [Class name]”, and the source subject should be the main subject in
 the image which dominates a major part of the photo. For the subject addition task, we collect 10 reasonable
 backgrounds for each type of subject. In the meantime, we manually designate the