# US 2019/0174052 A1 · Image capturing apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0174052 A1 - Document ID: US20190174052A1 - Status: Published application - Kind: A1 - Application number: 16/268,969 - Filed: 2019-02-06 - Published: 2019-06-06 - Earliest claimed: 2012-03-21 - Assignees: Canon Kabushiki Kaisha - Applicants: Canon Kabushiki Kaisha - Inventors: Akira Kano - Web page: https://patentgrep.com/patent/US20190174052A1 ## CPC - H04N 23/663: for controlling interchangeable camera parts based on electronic image sensor signals - G03B 17/14: interchangeably - H04N 23/60: Control of cameras or camera modules - H04N 23/71: Circuitry for evaluating the brightness variation - H04N 25/61: the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4" - G03B 2206/00: Systems for exchange of information between different pieces of apparatus, e.g. for exchanging trimming information, for photo finishing - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) ## Abstract An image capturing apparatus capable of interchanging a lens unit includes a processing unit configured to perform image correction processing based on data acquired by an acquisition unit. In the image capturing apparatus, the acquired data includes information of a first shooting condition, configured in a discrete manner, information of a plurality of second shooting conditions provided for each information of the first shooting condition, and correction information corresponding to a combination of the information of the first shooting condition and the information of the second shooting condition. ## Claims ### Claim 1 A processing apparatus, comprising: a processor which acquires data and performs an image correction process using the data, wherein the data includes (a) first information indicating a first number which is a number of first optical parameter values, (b) second information indicating a second number which is a number of second optical parameter values included in a set of second optical parameter values, (c) third information indicating a third number which is a number of sets of second optical parameter values, (d) information indicating the first optical parameter values, (e) information indicating the second optical parameter values, and (f) information indicating correction values based on combinations of the first optical parameter values and the second optical parameter values, wherein the information indicating the second optical parameter values includes the third number of sets of second optical parameter values. ### Claim 2 (depends on 1) The processing apparatus according to claim 1, wherein, in a case where the third number is equal to the first number, the data includes the first number of sets of second optical parameter values with respect to each of the first optical parameter values. ### Claim 3 (depends on 2) The processing apparatus according to claim 2, wherein at least one of the second optical parameter values of a first set of second optical parameter values is different from any of second optical parameter values included in a second set of second optical parameter values in a case where the third number is equal to the first number, wherein the first set and the second set each corresponds to a different first optical parameter value. ### Claim 4 (depends on 1) The processing apparatus according to claim 1, wherein, in a case where the third number corresponds to 1, the data includes one set of second optical parameter values, and the one set of second optical parameter values corresponds to each of the first optical parameter values. ### Claim 5 (depends on 1) The processing apparatus according to claim 1, wherein the data further includes fourth information indicating a number of sets of third optical parameter values with respect to the first optical parameter values, wherein the correction values are based on combinations of the first optical parameter values, the second optical parameter values, and the third optical parameter values. ### Claim 6 (depends on 1) The processing apparatus according to claim 1, wherein a first optical parameter value corresponds to a focal distance value. ### Claim 7 (depends on 6) The processing apparatus according to claim 6, wherein a second optical parameter value corresponds to a shooting distance value. ### Claim 8 (depends on 5) The processing apparatus according to claim 5, wherein the third optical parameter value corresponds to a diaphragm value. ### Claim 9 (depends on 6) The signal processing apparatus according to claim 6, wherein the second optical parameter value corresponds to a diaphragm value. ### Claim 10 (depends on 5) The processing apparatus according to claim 5, wherein the third optical parameter value corresponds to a shooting distance value. ### Claim 11 (depends on 1) The signal processing apparatus according to claim 1, wherein the data further includes information corresponding to image height values, and the correction values for each of the image height values. ### Claim 12 (depends on 1) The processing apparatus according to claim 1, wherein the first optical parameter values and the second optical parameter values are discretely configured. ### Claim 13 (depends on 5) The processing apparatus according to claim 5, wherein the third optical parameter values are discretely configured. ### Claim 14 (depends on 1) The processing apparatus according to claim 1, wherein the processor performs the image correction process to an image, using the correction values included in the data. ### Claim 15 (depends on 14) The processing apparatus according to claim 14 wherein the processor acquires a first optical parameter value and a second optical parameter value at a time when the image was shot. ### Claim 16 (depends on 1) The processing apparatus according to claim 1, wherein the processor is configured to acquire the data from a lens unit. ### Claim 17 (depends on 1) The processing apparatus according to claim 1, wherein the processor is configured to acquire the data from an external apparatus. ### Claim 18 A processing method comprising: acquiring data including (a) first information indicating a first number which is a number of first optical parameter values, (b) second information indicating a second number which is a number of second optical parameter values included in a set of second optical parameter values, (c) third information indicating a third number which is a number of sets of second optical parameter values, (d) information indicating the first optical parameter values, (e) information indicating the second optical parameter values, and (f) information indicating correction values based on combinations of the first optical parameter values and the second optical parameter values, wherein the information indicating the second optical parameter values includes the third number of sets of second optical parameter values; and performing image correction processing using the data. ### Claim 19 (depends on 18) A non-transitory computer-readable storage medium storing a computer program for causing a computer to execute steps of the signal processing method according to claim 18. ### Claim 20 A lens unit configured to transmit, to a processing apparatus, data including (a) first information indicating a first number which is a number of first optical parameter values, (b) second information indicating a second number which is a number of second optical parameter values included in a set of second optical parameter values, (c) third information indicating a third number which is a number of sets of second optical parameter values, (d) information indicating the first optical parameter values, (e) information indicating the second optical parameter values, and (f) information indicating correction values based on combinations of the first optical parameter values and the second optical parameter values, wherein the information indicating the second optical parameter values includes the third number of sets of second optical parameter values. ### Claim 21 (depends on 20) The lens unit according to claim 20, wherein, in a case where the number indicated by the first information is equal to the number of the first optical parameter values, the data includes the first number of sets of the second optical parameter values with respect to each of the first optical parameter values. ### Claim 22 (depends on 21) The lens unit according to claim 21, wherein at least one of the second optical parameter values of a first set of second optical parameter values is different from any of second optical parameter values included in a second set of second optical parameter values in a case where the third number is equal to the first number, wherein the first set and the second set each corresponds to different first optical parameter. ### Claim 23 (depends on 20) The lens unit according to claim 20, wherein, in a case where the third number corresponds to 1, the data includes one set of second optical parameter values, and the one set of second optical parameter values corresponds to each of the first optical parameter values. ### Claim 24 (depends on 20) The lens unit according to claim 20, wherein the data further includes fourth information indicating a number of sets of third optical parameter values with respect to the first optical parameter values, wherein the correction values are based on combinations of the first optical parameter values, the second optical parameter values, and the third optical parameter values. ### Claim 25 (depends on 20) The lens unit according to claim 20, wherein the first optical parameter value correspond to a focal distance value. ### Claim 26 (depends on 25) The lens unit according to claim 25, wherein the second optical parameter value correspond to a shooting distance value. ### Claim 27 (depends on 24) The lens unit according to claim 24, wherein the third optical parameter value correspond to a diaphragm value. ### Claim 28 (depends on 25) The lens unit according to claim 25, wherein the second optical parameter value correspond to a diaphragm value. ### Claim 29 (depends on 24) The lens unit according to claim 24, wherein the third optical parameter value correspond to a shooting distance value. ### Claim 30 (depends on 20) The lens unit according to claim 20, wherein the data further includes information corresponding to image height values, and the correction values for each of the image height values. ### Claim 31 (depends on 20) The lens unit according to claim 20, wherein the first optical parameter values and the second optical parameter values are discretely configured. ### Claim 32 (depends on 24) The lens unit according to claim 24, wherein the third optical parameter values are discretely configured. ### Claim 33 (depends on 20) The lens unit according to claim 20, wherein the lens unit transmits the first optical parameter value and the second optical parameter value at a time when an image was shot . ### Claim 34 A processing method comprising: transmitting data from a lens unit to a processing apparatus, the transmitted data including (a) first information indicating a first number which is a number of first optical parameter values, (b) second information indicating a second number which is a number of second optical parameter values included in a set of second optical parameter values, (c) third information indicating a third number which is a number of sets of second optical parameter values, (d) information indicating the first optical parameter values, (e) information indicating the second optical parameter values, and (f) information indicating correction values based on combinations of the first optical parameter values and the second optical parameter values, wherein the information indicating the second optical parameter values includes the third number of sets of second optical parameter values. ### Claim 35 (depends on 34) A non-transitory computer-readable storage medium storing a computer program for causing a computer to execute steps of the processing method according to claim 34.