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scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d01
count_change
sun
sun_rays
fewer rays
more rays
null
The right panel has additional rays around the sun.
high
scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d02
attribute_change
upper_left_cloud
shape
larger cloud shape
smaller cloud shape
null
The cloud above the playground roof on the left changes shape.
high
scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d03
object_removed
playground_flag
null
The flag on top of the playground tower is missing in the right panel.
high
scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d04
object_added
small_cloud
null
A small cloud appears to the lower right of the large upper-right cloud.
high
scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d05
object_added
tree_flower
4
Four flowers appear in the tree canopy in the right panel.
high
scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d06
attribute_change
climbing_wall_handhold
shape
horizontal oval
vertical oval
null
One handhold on the climbing wall changes orientation/shape.
medium
scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d07
attribute_change
playground_front_panel
opening_shape
circular opening
arched doorway
null
The circular opening below the playground is replaced by an arched doorway.
high
scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d08
attribute_change
spring_horse
tail_shape
short single curl
longer wavy tail
null
The spring horse's tail changes shape.
high
scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d09
attribute_change
center_flower
flower_type
daisy
tulip
null
The middle flower at the bottom changes from a daisy to a tulip.
high
scene_0001_playground
data/images/scene_0001_playground.jpg
side_by_side
d10
attribute_change
boy_shirt
shirt_design
star
horizontal stripes
null
The boy's shirt changes from a star design to horizontal stripes.
high
scene_0002_city_dog
data/images/scene_0002_city_dog.jpg
side_by_side
d01
attribute_change
skyline_building
height
shorter rectangular building
taller rectangular building
null
One blue rectangular building in the skyline is taller in the right panel.
medium
scene_0002_city_dog
data/images/scene_0002_city_dog.jpg
side_by_side
d02
object_removed
skyline_building
null
A small building in the skyline is present in the left panel but absent in the right panel, where trees are visible instead.
high
scene_0002_city_dog
data/images/scene_0002_city_dog.jpg
side_by_side
d03
attribute_change
boardwalk_detail
appearance
dark marked plank/detail
different light/dark plank detail
null
A small marked detail on the boardwalk changes between panels.
high
scene_0002_city_dog
data/images/scene_0002_city_dog.jpg
side_by_side
d04
attribute_change
lower_railing_detail
appearance
one dark rectangular detail
different dark/light detail
null
A small dark detail on the lower railing changes between panels.
high
scene_0002_city_dog
data/images/scene_0002_city_dog.jpg
side_by_side
d05
attribute_change
dog_toy
color
yellow and blue
red
null
The toy beside the dog changes color from yellow/blue to red.
high
scene_0003_cactus_landscape
data/images/scene_0003_cactus_landscape.jpg
side_by_side
d01
object_added
small_cloud
null
A small cloud appears in the upper-left area of the sky in the right panel.
high
scene_0003_cactus_landscape
data/images/scene_0003_cactus_landscape.jpg
side_by_side
d02
object_added
birds
2
Two birds appear in the upper-right sky in the right panel.
high
scene_0003_cactus_landscape
data/images/scene_0003_cactus_landscape.jpg
side_by_side
d03
object_removed
small_cactus
null
The small cactus in the lower-left foreground is missing in the right panel.
high
scene_0003_cactus_landscape
data/images/scene_0003_cactus_landscape.jpg
side_by_side
d04
attribute_change
middle_cactus
side_arm
single side arm
additional upright side arm
null
The side growth on the middle cactus changes shape.
medium
scene_0003_cactus_landscape
data/images/scene_0003_cactus_landscape.jpg
side_by_side
d05
attribute_change
small_background_cactus
appearance
yellow-green cactus
dark blue-green cactus
null
A small cactus in the background changes its appearance/color.
high
scene_0004_fishing_net
data/images/scene_0004_fishing_net.jpg
side_by_side
d01
object_removed
small_stem
null
A small upright stem below the upper-left leaf is missing in the right panel.
high
scene_0004_fishing_net
data/images/scene_0004_fishing_net.jpg
side_by_side
d02
attribute_change
curled_dried_leaf
shape
curled leaf with loop on the left
curled leaf with loop on the right
null
The dried leaf below the net changes its curl/orientation.
high
scene_0004_fishing_net
data/images/scene_0004_fishing_net.jpg
side_by_side
d03
object_added
small_stemmed_seed
null
A small stemmed seed/flower appears in the lower-right area in the right panel.
high
scene_0004_fishing_net
data/images/scene_0004_fishing_net.jpg
side_by_side
d04
attribute_change
left_dried_leaf
color
orange-red
yellow
null
The dried leaf on the lower-left side changes from orange-red to yellow.
high
scene_0004_fishing_net
data/images/scene_0004_fishing_net.jpg
side_by_side
d05
object_added
upper_right_seed
null
A small seed/flower appears near the upper-right edge in the right panel.
high
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d01
attribute_change
upper_left_satellite_sphere
yellow_window_panel
present
absent
null
A yellow window panel on the upper-left sphere is missing in the bottom panel.
high
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d02
object_removed
upper_brick
null
A large red brick near the top of the brick wall is missing in the bottom panel.
high
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d03
object_removed
balcony_adult_arm
null
The adult's left arm/hand extending from behind the curtain is missing in the bottom panel.
high
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d04
attribute_change
middle_brick
segmentation
split into two sections
single solid brick
null
A red brick in the middle of the wall changes from two sections to one solid brick.
high
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d05
object_removed
storefront_red_panel
null
A red rectangular panel in the right-side storefront is missing in the bottom panel.
high
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d06
object_removed
lower_left_sphere_window_panel
null
One yellow window panel on the lower-left sphere is missing in the bottom panel.
high
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d07
attribute_change
central_left_support_assembly
line_detail
extra diagonal/marked line
line absent or changed
null
A small line detail on the support assembly at the central-left circled location changes.
medium
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d08
object_removed
diagonal_support_bar
null
A diagonal support bar below the central-right connector is missing in the bottom panel.
high
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d09
attribute_change
green_jacket_person_hand
occlusion
visible in front of the building
behind the building
null
The person's hand moves behind the building in the bottom panel.
high
scene_0005_brussels_illustration
data/images/scene_0005_brussels_illustration.jpg
top_bottom
d10
attribute_change
red_shirt_child_shoe
occlusion
visible in front of the orange slab
behind the orange slab
null
The person's shoe moves behind the orange slab in the bottom panel.
high
scene_0006_garden
data/images/scene_0006_garden.png
side_by_side
d01
attribute_change
upper_flower_cluster
appearance
orange flowers
green foliage without orange flowers
null
The orange flowers in the upper planter are absent/replaced by green foliage in the right panel.
high
scene_0006_garden
data/images/scene_0006_garden.png
side_by_side
d02
object_added
broad_leaf_in_upper_planter
null
A broad leaf is absent from the upper planter in the left panel and appears in the right panel.
high
scene_0006_garden
data/images/scene_0006_garden.png
side_by_side
d03
attribute_change
lower_table_leg
color
red
green
null
The lower table leg changes from red to green.
high
scene_0006_garden
data/images/scene_0006_garden.png
side_by_side
d04
object_removed
middle_potted_plant_leaf
null
A green leaf on the middle potted plant is present in the left panel but missing in the right panel.
high
scene_0006_garden
data/images/scene_0006_garden.png
side_by_side
d05
attribute_change
garden_tool_handle
ring_count
fewer rings/ridges
more rings/ridges
null
The wooden garden tool handle at the bottom right has more rings or ridges in the right panel.
high
scene_0007_charcuterie
data/images/scene_0007_charcuterie.png
side_by_side
d01
attribute_change
lower_left_wine_glass
drink_color
red
yellow
null
The drink in the lower-left glass changes from red to yellow.
high
scene_0007_charcuterie
data/images/scene_0007_charcuterie.png
side_by_side
d02
object_added
grape_above_board
null
A single grape appears above the cutting board in the right panel.
high
scene_0007_charcuterie
data/images/scene_0007_charcuterie.png
side_by_side
d03
object_removed
cutting_board_handle_hole
null
The hole in the cutting-board handle is missing in the right panel.
high
scene_0007_charcuterie
data/images/scene_0007_charcuterie.png
side_by_side
d04
attribute_change
cheese_knife_handle
color
light brown
dark brown
null
The cheese knife handle changes from light brown to dark brown.
high
scene_0007_charcuterie
data/images/scene_0007_charcuterie.png
side_by_side
d05
object_removed
loose_almond
null
A loose almond to the right of the cutting board is missing in the right panel.
high
scene_0007_charcuterie
data/images/scene_0007_charcuterie.png
side_by_side
d06
attribute_change
corkscrew
coil_length
shorter coil
longer coil
null
The corkscrew coil at the top changes length and shape.
high
scene_0008_craft_objects
data/images/scene_0008_craft_objects.png
side_by_side
d01
attribute_change
upper_blue_object
color
blue
green
null
The upper blue object changes to green in the right panel.
high
scene_0008_craft_objects
data/images/scene_0008_craft_objects.png
side_by_side
d02
object_removed
thin_blue_stick
null
A thin blue stick near the lower-left area is missing in the right panel.
high
scene_0008_craft_objects
data/images/scene_0008_craft_objects.png
side_by_side
d03
object_removed
small_pink_square
null
A small pink square near the upper-right purple objects is missing in the right panel.
high
scene_0008_craft_objects
data/images/scene_0008_craft_objects.png
side_by_side
d04
attribute_change
crescent_shaped_object
orientation
original orientation
horizontally mirrored orientation
null
The crescent-shaped object is mirrored horizontally in the right panel.
high
scene_0008_craft_objects
data/images/scene_0008_craft_objects.png
side_by_side
d05
object_removed
small_yellow_circle
null
One of the two small yellow circles is missing in the right panel.
high
scene_0009_donuts
data/images/scene_0009_donuts.png
side_by_side
d01
object_removed
central_pink_donut_sprinkles
null
Several sprinkles on the central pink donut are missing in the right panel.
high
scene_0009_donuts
data/images/scene_0009_donuts.png
side_by_side
d02
attribute_change
lower_right_chocolate_donut_sprinkles
color
green sprinkles
blue sprinkles
null
Several sprinkles on the lower-right chocolate donut change from green to blue.
high
scene_0009_donuts
data/images/scene_0009_donuts.png
side_by_side
d03
object_added
top_right_red_sprinkle
null
A red sprinkle appears near the top-right area in the right panel; it is absent in the left panel.
high
scene_0009_donuts
data/images/scene_0009_donuts.png
side_by_side
d04
object_removed
top_left_yellow_sprinkle
null
A yellow sprinkle near the upper-left area is missing in the right panel.
high
scene_0009_donuts
data/images/scene_0009_donuts.png
side_by_side
d05
object_removed
wooden_spoon_text
null
The printed text on the wooden spoon is missing in the right panel.
high
scene_0010_beach
data/images/scene_0010_beach.png
side_by_side
d01
attribute_change
large_striped_beach_umbrella
stripe_color
blue and white
brown and white
null
The large striped beach umbrella changes from blue-and-white to brown-and-white stripes.
high
scene_0010_beach
data/images/scene_0010_beach.png
side_by_side
d02
attribute_change
beach_lounge_chair
color
orange
yellow
null
A beach lounge chair changes from orange to yellow.
high
scene_0010_beach
data/images/scene_0010_beach.png
side_by_side
d03
object_added
distant_island
null
A distant island appears on the far-right horizon in the right panel.
high
scene_0010_beach
data/images/scene_0010_beach.png
side_by_side
d04
object_removed
closed_beach_umbrella
null
A closed beach umbrella near the center is missing in the right panel.
high
scene_0010_beach
data/images/scene_0010_beach.png
side_by_side
d05
object_removed
small_swimmer_in_water
null
A small swimmer or floating dark object in the water is missing in the right panel.
medium

SpotDiff v1 Development Dataset

SpotDiff is a visual spot-the-difference benchmark. Each item is one composite image containing two nearly identical panels. A model receives the complete image and identifies every visible difference using structured JSON.

This is the public development release. It contains 10 reviewed images and 61 gold differences. The annotations are intentionally public so that anyone can reproduce the evaluator locally and inspect the benchmark design.

Layout

  • data/images/: composite images with both panels
  • data/annotations/: approved golden structured differences
  • data/manifest.json: item IDs, image paths, and annotation paths
  • data/dataset_version.json: release metadata
  • data/viewer/spotdiff_v1_dev.jsonl: one uniform viewer row per difference

Evaluation

Install the evaluator from GitHub, or run it from a checkout:

pip install -e .
spotdiff evaluate \
  --manifest data/manifest.json \
  --predictions predictions/your-model.json

The official development score is deterministic:

0.60 * recall + 0.25 * precision + 0.15 * attribute_accuracy

Because this is a development benchmark, the answers are public and results are suitable for reproducibility and community-reported comparisons. They are not a hidden-test leaderboard result.

Image rights

Before publishing this dataset, the dataset maintainer must confirm that the source images may be redistributed. The other license marker is deliberate until the image provenance and license are documented.

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