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LZX Industries

Test Images

Reference image library for video processing development and testing. All 79 images are lossless PNG — no JPEG, TIFF, or other formats. 79 images across 5 collections, totalling ~29 MB.

Collection Summary

Collection Images Format Resolution Range Size

Kodak Lossless True Color

24

PNG

768×512 / 512×768

15 MB

USC-SIPI Color

14

PNG

256×256 – 512×512

3.7 MB

USC-SIPI Grayscale

25

PNG

256×256 – 1024×1024

4.3 MB

Test Patterns

10

PNG

1920×1080

4.0 MB

Grayscale from Kodak

6

PNG

512×768 – 768×512

1.4 MB

Total

79

~29 MB

Kodak Lossless True Color

Source: Kodak Lossless True Color Image Suite License: Released for unrestricted non-commercial use Format: PNG, lossless, 24-bit RGB

The Kodak suite is the most widely used reference set in image processing research. 24 high-quality photographs covering landscapes, portraits, architecture, and still life.

Preview File Dimensions Size Description

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim01.png" width="80" />

kodim01.png

768×512

719 KB

Stone building

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim02.png" width="80" />

kodim02.png

768×512

604 KB

Red door

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim03.png" width="80" />

kodim03.png

768×512

491 KB

Hats

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim04.png" width="80" />

kodim04.png

512×768

623 KB

Portrait of girl in red (portrait orientation)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim05.png" width="80" />

kodim05.png

768×512

767 KB

Motocross bikes

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim06.png" width="80" />

kodim06.png

768×512

605 KB

Sailboat at anchor

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim07.png" width="80" />

kodim07.png

768×512

553 KB

Shuttered windows

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim08.png" width="80" />

kodim08.png

768×512

770 KB

Market place

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim09.png" width="80" />

kodim09.png

512×768

569 KB

Sailboats under spinnakers (portrait)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim10.png" width="80" />

kodim10.png

512×768

580 KB

Off-shore sailboat race (portrait)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim11.png" width="80" />

kodim11.png

768×512

606 KB

Sailboat at pier

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim12.png" width="80" />

kodim12.png

768×512

519 KB

Couple on beach

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim13.png" width="80" />

kodim13.png

768×512

803 KB

Mountain stream

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim14.png" width="80" />

kodim14.png

768×512

676 KB

White water rafters

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim15.png" width="80" />

kodim15.png

768×512

598 KB

Girl with painted face

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim16.png" width="80" />

kodim16.png

768×512

522 KB

Tropical key

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim17.png" width="80" />

kodim17.png

512×768

588 KB

Monument, Cologne (portrait)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim18.png" width="80" />

kodim18.png

512×768

763 KB

Model in black dress (portrait)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim19.png" width="80" />

kodim19.png

512×768

656 KB

Lighthouse in Maine (portrait)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim20.png" width="80" />

kodim20.png

768×512

481 KB

P-51 Mustang

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim21.png" width="80" />

kodim21.png

768×512

622 KB

Portland Head Light

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim22.png" width="80" />

kodim22.png

768×512

686 KB

Barn and pond

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim23.png" width="80" />

kodim23.png

768×512

545 KB

Two macaws

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/kodak/kodim24.png" width="80" />

kodim24.png

768×512

690 KB

Mountain chalet

USC-SIPI Color

Source: USC-SIPI Image Database — Miscellaneous Volume License: Available for research use Format: PNG, lossless, 24-bit RGB (converted from original TIFF)

Standard color test images from the USC Signal and Image Processing Institute.

Preview File Dimensions Size Description

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/airplane_f16_512.png" width="80" />

airplane_f16_512.png

512×512

414 KB

F-16 fighter jet (4.2.05)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/couple_ntsc_256.png" width="80" />

couple_ntsc_256.png

256×256

106 KB

Couple, NTSC colorspace (4.1.02)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/female_256.png" width="80" />

female_256.png

256×256

103 KB

Female portrait (4.1.04)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/female_belllabs_256.png" width="80" />

female_belllabs_256.png

256×256

92 KB

Bell Labs female portrait (4.1.03)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/female_ntsc_256.png" width="80" />

female_ntsc_256.png

256×256

116 KB

Female, NTSC colorspace (4.1.01)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/house_256.png" width="80" />

house_256.png

256×256

109 KB

House exterior (4.1.05)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/house_512.png" width="80" />

house_512.png

512×512

447 KB

House exterior, hi-res (4.2.06)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/jellybeans_256.png" width="80" />

jellybeans_256.png

256×256

75 KB

Jellybean candy (4.1.07)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/jellybeans_alt_256.png" width="80" />

jellybeans_alt_256.png

256×256

84 KB

Jellybean candy, alternate (4.1.08)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/mandrill_512.png" width="80" />

mandrill_512.png

512×512

612 KB

Mandrill baboon (4.2.03)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/peppers_512.png" width="80" />

peppers_512.png

512×512

494 KB

Bell peppers (4.2.07)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/sailboat_512.png" width="80" />

sailboat_512.png

512×512

534 KB

Sailboat on lake (4.2.04)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/splash_512.png" width="80" />

splash_512.png

512×512

384 KB

Woman in pool (4.2.01)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/color/tree_256.png" width="80" />

tree_256.png

256×256

130 KB

Tree (4.1.06)

USC-SIPI Grayscale

Source: USC-SIPI Image Database — Miscellaneous & Aerials Volumes License: Available for research use Format: PNG, lossless, 8-bit grayscale (converted from original TIFF)

Standard grayscale test images widely used in image processing literature.

Preview File Dimensions Size Description

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/aerial_256.png" width="80" />

aerial_256.png

256×256

48 KB

Aerial photograph

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/aerial_512.png" width="80" />

aerial_512.png

512×512

173 KB

Aerial photograph, hi-res

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/airplane_256.png" width="80" />

airplane_256.png

256×256

30 KB

Airplane

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/airplane_512.png" width="80" />

airplane_512.png

512×512

105 KB

Airplane, hi-res

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/airplane_u2_1024.png" width="80" />

airplane_u2_1024.png

1024×1024

595 KB

U-2 reconnaissance aircraft

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/airport_1024.png" width="80" />

airport_1024.png

1024×1024

704 KB

Airport aerial

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/apc_512.png" width="80" />

apc_512.png

512×512

146 KB

Armored personnel carrier

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/car_apcs_512.png" width="80" />

car_apcs_512.png

512×512

149 KB

Car and APCs

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/car_apcs_alt_512.png" width="80" />

car_apcs_alt_512.png

512×512

150 KB

Car and APCs, alternate view

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/chemical_plant_256.png" width="80" />

chemical_plant_256.png

256×256

44 KB

Chemical plant

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/clock_256.png" width="80" />

clock_256.png

256×256

33 KB

Clock face

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/couple_ntsc_512.png" width="80" />

couple_ntsc_512.png

512×512

144 KB

Couple, NTSC source

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/fishing_boat_512.png" width="80" />

fishing_boat_512.png

512×512

163 KB

Fishing boat

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/male_1024.png" width="80" />

male_1024.png

1024×1024

635 KB

Male portrait

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/moon_256.png" width="80" />

moon_256.png

256×256

41 KB

Moon surface

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/pixel_ruler_512.png" width="80" />

pixel_ruler_512.png

512×512

1.5 KB

Pixel ruler / measurement chart

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/resolution_chart_256.png" width="80" />

resolution_chart_256.png

256×256

11 KB

Resolution test chart

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/step_wedge_21level_512.png" width="80" />

step_wedge_21level_512.png

512×512

1.6 KB

21-level grayscale step wedge

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/stream_bridge_512.png" width="80" />

stream_bridge_512.png

512×512

158 KB

Stream and bridge

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/tank_512.png" width="80" />

tank_512.png

512×512

158 KB

Tank

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/tank_alt_512.png" width="80" />

tank_alt_512.png

512×512

168 KB

Tank, alternate view

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/tank_side_512.png" width="80" />

tank_side_512.png

512×512

164 KB

Tank, side view

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/truck_512.png" width="80" />

truck_512.png

512×512

152 KB

Truck

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/truck_apcs_512.png" width="80" />

truck_apcs_512.png

512×512

174 KB

Truck and APCs

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/usc-sipi/grayscale/truck_apcs_alt_512.png" width="80" />

truck_apcs_alt_512.png

512×512

173 KB

Truck and APCs, alternate view

Test Patterns

Source: Generated locally with ImageMagick License: Public domain (synthetic) Format: PNG, lossless, 1920×1080 (Full HD)

Synthetic test patterns for calibration, alignment, frequency response, and color accuracy testing.

Preview File Size Description

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/smpte_bars_100pct_1920x1080.png" width="120" />

smpte_bars_100pct_1920x1080.png

5.1 KB

SMPTE color bars at 100% amplitude — full-range color reference

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/smpte_bars_75pct_1920x1080.png" width="120" />

smpte_bars_75pct_1920x1080.png

5.1 KB

SMPTE color bars at 75% amplitude — broadcast-standard levels

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/grayscale_ramp_h_1920x1080.png" width="120" />

grayscale_ramp_h_1920x1080.png

7.3 KB

Horizontal grayscale gradient (black→white) — gamma/linearity test

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/grayscale_ramp_v_1920x1080.png" width="120" />

grayscale_ramp_v_1920x1080.png

7.3 KB

Vertical grayscale gradient (black→white) — vertical linearity test

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/rainbow_1920x1080.png" width="120" />

rainbow_1920x1080.png

96 KB

Full hue sweep (H: 0°–360°, S: 100%, V: 100%) — chroma test

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/zone_plate_1920x1080.png" width="120" />

zone_plate_1920x1080.png

3.8 MB

Siemens zone plate — spatial frequency response, aliasing detection

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/checkerboard_1920x1080.png" width="120" />

checkerboard_1920x1080.png

16 KB

8×8 pixel checkerboard — sharpness and spatial alignment

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/white_1920x1080.png" width="120" />

white_1920x1080.png

1.3 KB

100% white field — clipping, uniformity, and flat-field test

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/gray_50pct_1920x1080.png" width="120" />

gray_50pct_1920x1080.png

4.2 KB

50% gray field — mid-level linearity and noise floor

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/tecnick/color_bars/black_1920x1080.png" width="120" />

black_1920x1080.png

409 B

0% black field — black level, pedestal, and noise floor

Grayscale from Kodak

Source: Lossless grayscale conversions of selected Kodak suite images License: Same as Kodak suite (unrestricted non-commercial use) Format: PNG, lossless, 8-bit grayscale

Grayscale images for testing luminance processing, edge detection, and monochrome pipelines.

Preview File Dimensions Size Source

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/public_domain/bw/kodim01_bw.png" width="80" />

kodim01_bw.png

768×512

263 KB

Grayscale of kodim01.png — stone building, fine detail

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/public_domain/bw/kodim04_bw.png" width="80" />

kodim04_bw.png

512×768

216 KB

Grayscale of kodim04.png — portrait of girl in red (tests luma mapping)

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/public_domain/bw/kodim08_bw.png" width="80" />

kodim08_bw.png

768×512

264 KB

Grayscale of kodim08.png — market place, motion

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/public_domain/bw/kodim13_bw.png" width="80" />

kodim13_bw.png

768×512

293 KB

Grayscale of kodim13.png — mountain stream, high detail

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/public_domain/bw/kodim15_bw.png" width="80" />

kodim15_bw.png

768×512

208 KB

Grayscale of kodim15.png — girl with painted face

<img src="https://lzx-web-cdn-us-sea.us-sea-1.linodeobjects.com/web/v1/docs/img/guides/test-images/public_domain/bw/kodim23_bw.png" width="80" />

kodim23_bw.png

768×512

189 KB

Grayscale of kodim23.png — two macaws, high frequency

Usage Notes

Resolution & Cropping

Images span a range of resolutions (256×256 to 1920×1080). For testing at a specific target resolution (e.g., 1920×1080 HD or 720×480 SD), use ImageMagick to crop or resize:

convert input.png -gravity center -crop 1920x1080+0+0 +repage output.png

convert input.png -resize 1920x1080 output.png

convert input.png -resize 1920x1080! output.png

Format Conversion

convert input.png -depth 8 rgb:output.raw

Grayscale Conversion

convert input.png -colorspace Gray output.png