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Hi. Just ran a calibration and the 3 curves are not tight together; any suggestions how to improve? See attached and below.
Size 968232 Bytes (945.54 KiB) Preferred CMM 0x6172676C 'argl' ArgyllCMS ICC version 2.2 Profile class Display device profile Color model RGB Profile connection space (PCS) XYZ Created 2020-06-06 00:34:41 Platform Microsoft Is embedded No Can be used independently Yes Device Manufacturer 0x0000AE30 Lenovo Group Limited Model 0x000040B2 Media attributes Reflective, Glossy, Positive, Color Default rendering intent Perceptual PCS illuminant XYZ 96.42 100.00 82.49 (xy 0.3457 0.3585, CCT 5000K) Creator 0x4443414C 'DCAL' DisplayCAL Checksum 0xC342D3BAC56BB395A2B1782A51DF5594 Checksum OK Yes Description (ASCII) hd3000_B156HW01 #1 2020-06-06 00-24 2.2 F-S XYZLUT+MTX_2 Copyright No copyright. Created with DisplayCAL 3.8.9.3 and ArgyllCMS 2.1.2 Device manufacturer name (ASCII) Lenovo Group Limited Device model name (ASCII) B156HW01 V4 Luminance 95.16 cd/m² Media white point Is illuminant Yes Illuminant-relative XYZ 104.60 100.00 134.27 (xy 0.3087 0.2951) Illuminant-relative CCT 7159K ΔE 2000 to daylight locus 16.36 ΔE 2000 to blackbody locus 14.16 Media black point Illuminant-relative XYZ 0.1541 0.1480 0.1984 (xy 0.3079 0.2957) Illuminant-relative CCT 7206K ΔE 2000 to daylight locus 15.87 ΔE 2000 to blackbody locus 13.57 Absolute to media relative transform Bradford (ICC recommendation) Matrix 0.8951 0.2664 -0.1614 -0.7502 1.7135 0.0367 0.0389 -0.0685 1.0296 Video card gamma table Bitdepth 16 Channels 3 Number of entries per channel 256 Channel 1 gamma at 50% input 0.77 Channel 1 minimum 0.0000% Channel 1 maximum 100.00% Channel 1 unique values 256 @ 8 Bit Channel 1 is linear No Channel 2 gamma at 50% input 0.87 Channel 2 minimum 0.0000% Channel 2 maximum 100.00% Channel 2 unique values 256 @ 8 Bit Channel 2 is linear No Channel 3 gamma at 50% input 1.12 Channel 3 minimum 0.0000% Channel 3 maximum 100.00% Channel 3 unique values 256 @ 8 Bit Channel 3 is linear No Device to PCS: Intent 0 Matrix 1.0000 0.0000 0.0000 0.0000 1.0000 0.0000 0.0000 0.0000 1.0000 Input Table Channels 3 Number of entries per channel 2049 Color Look Up Table Grid Steps 33 Entries 35937 Output Table Channels 3 Number of entries per channel 2 Red matrix column Illuminant-relative XYZ 63.44 29.44 1.53 (xy 0.6719 0.3118) PCS-relative XYZ 63.96 29.76 0.75 (xy 0.6770 0.3150) Green matrix column Illuminant-relative XYZ 19.54 60.84 11.43 (xy 0.2128 0.6626) PCS-relative XYZ 18.77 62.84 8.38 (xy 0.2086 0.6983) Blue matrix column Illuminant-relative XYZ 21.62 9.72 121.30 (xy 0.1416 0.0637) PCS-relative XYZ 13.69 7.40 73.36 (xy 0.1450 0.0783) Red tone response curve Number of entries 256 Transfer function ≈ Gamma 2.22 100% (Δ 3.13%) Minimum Y 0.0000 Maximum Y 100.00 Green tone response curve Number of entries 256 Transfer function ≈ Gamma 2.22 100% (Δ 3.13%) Minimum Y 0.0000 Maximum Y 100.00 Blue tone response curve Number of entries 256 Transfer function ≈ Gamma 2.22 100% (Δ 3.13%) Minimum Y 0.0000 Maximum Y 100.00 Device to PCS: Intent 1 Matrix 1.0000 0.0000 0.0000 0.0000 1.0000 0.0000 0.0000 0.0000 1.0000 Input Table Channels 3 Number of entries per channel 2049 Color Look Up Table Grid Steps 33 Entries 35937 Output Table Channels 3 Number of entries per channel 2 PCS to device: Intent 1 Matrix 3.2943 -0.7871 -0.4719 -1.3651 3.2951 0.0256 0.0594 -0.1259 2.5078 Input Table Channels 3 Number of entries per channel 4096 Color Look Up Table Grid Steps 33 Entries 35937 Output Table Channels 3 Number of entries per channel 256 PCS to device: Intent 0 Matrix 3.3059 -0.7941 -0.4770 -1.3741 3.3061 0.0227 0.0567 -0.1299 2.5158 Input Table Channels 3 Number of entries per channel 4096 Color Look Up Table Grid Steps 33 Entries 35937 Output Table Channels 3 Number of entries per channel 256 Characterization target [23217 Bytes] Characterization device values [23217 Bytes] Characterization measurement values [23217 Bytes] Chromaticity (illuminant-relative) Channel 1 (R) xy 0.6719 0.3118 Channel 2 (G) xy 0.2128 0.6626 Channel 3 (B) xy 0.1416 0.0637 Make and model Manufacturer 0x30AE Lenovo Group Limited Model 0x40B2 Metadata prefix EDID_ CMF_ DATA_ MEASUREMENT_ OPENICC_ MAPPING_ ACCURACY_ GAMUT_ EDID_mnft LEN EDID_mnft_id 12462 EDID_model_id 16562 EDID_date 2009-T1 EDID_red_x 0.67578125 EDID_red_y 0.314453125 EDID_green_x 0.21484375 EDID_green_y 0.6650390625 EDID_blue_x 0.140625 EDID_blue_y 0.0693359375 EDID_white_x 0.3134765625 EDID_white_y 0.3291015625 EDID_manufacturer Lenovo Group Limited EDID_gamma 2.2 EDID_model B156HW01 V4 EDID_md5 6e556dc6e5029d9992b9b9fad8b4618d CMF_binary DisplayCAL CMF_version 3.8.9.3 CMF_product DisplayCAL License Public Domain Quality high OPENICC_automatic_generated 0 DATA_source calib MEASUREMENT_device i1 displaypro, colormunki display MAPPING_device_id xrandr-Lenovo Group Limited ACCURACY_dE76_avg 0.102473 ACCURACY_dE76_max 1.881166 ACCURACY_dE76_rms 0.278556 GAMUT_volume 1.53826306627 GAMUT_coverage(dci-p3) 0.8342 GAMUT_coverage(srgb) 0.9841 GAMUT_coverage(adobe-rgb) 0.9418
This is a Lenovo T520 laptop with Nvidia Optimus.
Thanks
Calibrite Display Pro HL on Amazon
Disclosure: As an Amazon Associate I earn from qualifying purchases.Why do they have to be equal? If monitor grey is bad… they need to be that way to fix it.
Tone response curves (=result after calibration) should be equal, not calibration curves (=correction applied to uncalibrated screen)@vincent thank you for that point, that corrects my (previously flawed) understanding of what these 3 curves are showing.
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